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NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding

2018

Index includes 2572 messages. Sorted by message ID, in descending order.
SubjectAuthorDate (UT)SizeID
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec, 19:583159g43661
Re: Floating-Point 4-place Nat-Haversine TableSean C13 Dec, 19:361435g43660
Re: Floating-Point 4-place Nat-Haversine TableEd Popko13 Dec, 11:062013g43659
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec, 09:012626g43658
Modern Celestial, Boston, FebruaryFrank Reed13 Dec, 03:462270g43657
Re: Sextant aboard the ISSBrad Morris12 Dec, 21:312575g43656
Re: Floating-Point 4-place Nat-Haversine TableTony Oz12 Dec, 20:072715g43655
Re: Sextant aboard the ISSPaul Dolkas12 Dec, 05:2920073g43654
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski11 Dec, 17:082043g43653
Re: Floating-Point 4-place Nat-Haversine TableTony Oz11 Dec, 13:042394g43652
Lunars during a Lunar EclipseEd Popko11 Dec, 12:005456g43651
Re: Sextant aboard the ISSBrad Morris11 Dec, 03:4312401g43650
Sextant aboard the ISSFrank Reed11 Dec, 01:486653g43649
Position fix by visual satellite observationFrank Reed11 Dec, 00:347479g43648
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski10 Dec, 23:042366g43647
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec, 19:523244g43646
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec, 16:512102g43645
Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec, 15:262256g43644
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski10 Dec, 12:311666g43643
Re: Yet another 4-place Nat-Haversine Table project?Bill Lionheart9 Dec, 21:023816g43642
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec, 19:502447g43641
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski9 Dec, 16:491834g43640
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec, 09:582599g43639
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec, 07:273326g43638
Re: Yet another 4-place Nat-Haversine Table project?Brad Morris8 Dec, 22:077702g43637
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz8 Dec, 07:304240g43636
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec, 23:0712994g43635
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 21:361624g43634
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 21:332016g43633
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 21:241491g43632
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 21:212388g43631
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec, 21:052681g43630
Re: Yet another 4-place Nat-Haversine Table project?Frank Reed7 Dec, 19:413203g43629
Re: Yet another 4-place Nat-Haversine Table project?David Fleming7 Dec, 18:432404g43628
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec, 17:181388g43627
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 16:371699g43626
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 16:121690g43625
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec, 15:478045g43624
Re: Longterm Sun's GHA and Dec: what's under the hood?Rafal O.7 Dec, 15:461801g43623
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 15:412303g43622
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec, 14:492724g43621
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"Ed Popko7 Dec, 12:102126g43620
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski7 Dec, 12:082118g43619
Re: Longterm Sun's GHA and Dec: what's under the hood?Tony Oz7 Dec, 08:432869g43618
The Improved Suns Table4 from HO249Herman Dekker7 Dec, 07:314473g43617
Re: Longterm Sun's GHA and Dec: what's under the hood?Geoffrey Kolbe7 Dec, 07:166468g43616
The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec, 04:351520g43615
Re: Longterm Sun's GHA and Dec: what's under the hood?Robert VanderPol II7 Dec, 02:442391g43614
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski6 Dec, 21:302367g43613
Longterm Sun's GHA and Dec: what's under the hood?Tony Oz6 Dec, 19:592909g43612
Advanced Celestial Navigation SystemsRichard B. Langley6 Dec, 15:261575g43611
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec, 15:195993g43610
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec, 14:391730g43609
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec, 14:262352g43608
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec, 12:471735g43607
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec, 07:552133g43606
Re: Yet another 4-place Nat-Haversine Table project?Herman Dekker5 Dec, 03:232193g43605
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec, 23:291598g43604
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec, 21:0516458g43603
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec, 19:383546g43602
Re: Celestial Navigation on the surface of MarsFrank Reed4 Dec, 17:592529g43601
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec, 17:285924g43600
CelNav for the TI-83Andrés Ruiz4 Dec, 15:2589703g43599
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec, 14:391903g43598
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec, 10:471799g43597
Re: Jargon, terminology , words' meanings, etc.David C4 Dec, 03:502044g43596
Re: Jargon, terminology , words' meanings, etc.David C4 Dec, 03:091610g43595
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart3 Dec, 21:436383g43594
Re: Yet another 4-place Nat-Haversine Table project?Roger W. Sinnott3 Dec, 21:38358337g43593
Re: Jargon, terminology , words' meanings, etc.Frank Reed3 Dec, 20:375722g43592
Re: Jargon, terminology , words' meanings, etc.Jackson McDonald3 Dec, 20:259712g43591
Re: Jargon, terminology , words' meanings, etc.Tony Oz3 Dec, 19:451886g43590
Yet another 4-place Nat-Haversine Table project?Tony Oz3 Dec, 18:042346g43589
Re: Long Term Almanac for navigational starsFrank Reed3 Dec, 17:2820929g43588
Re: Long Term Almanac for navigational starsRafal O.3 Dec, 09:3912053g43587
Re: Navigation jokesRobert VanderPol II3 Dec, 06:144477g43586
Re: Degree CalculatorPaul Hirose3 Dec, 06:105242g43585
Re: Jargon, terminology , words' meanings, etc.David C3 Dec, 04:122824g43584
Re: Long Term Almanac for navigational starsRafal O.2 Dec, 20:4519987g43583
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart2 Dec, 20:256828g43582
Re: Degree CalculatorTony Oz2 Dec, 19:182667g43581
Re: Jargon, terminology , words' meanings, etc.Gary LaPook2 Dec, 18:3011712g43580
Re: Jargon, terminology , words' meanings, etc.Frank Reed2 Dec, 16:596343g43579
Re: Degree CalculatorHerman Dekker2 Dec, 10:052822g43578
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec, 09:294008g43577
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec, 08:554624g43576
Re: Longitude, the Bounty, and William BlighDavid C2 Dec, 03:293102g43575
Re: Longitude, the Bounty, and William BlighDon Seltzer2 Dec, 01:026646g43574
Re: Longitude, the Bounty, and William BlighBrad Morris1 Dec, 22:295850g43573
Re: Degree CalculatorFrank Reed1 Dec, 22:466169g43572
Re: Degree CalculatorBob Goethe1 Dec, 21:371889g43571
Re: Longitude, the Bounty, and William BlighCharles McElhill1 Dec, 21:272350g43570
Re: Celestial Navigation on the surface of MarsFrank Reed1 Dec, 20:519912g43569
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec, 13:451694g43568
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec, 12:467583g43567
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart1 Dec, 10:4912357g43566
Re: Jargon, terminology , words' meanings, etc.Paul Dolkas1 Dec, 05:5112676g43565
Re: Celestial Navigation on the surface of MarsSean C1 Dec, 05:021653g43564
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec, 03:438248g43563
Re: Jargon, terminology , words' meanings, etc.Brad Morris1 Dec, 02:082869g43562
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec, 02:0510406g43561
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov, 20:543621g43560
Re: Longitude, the Bounty, and William BlighDon Seltzer30 Nov, 19:564841g43559
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov, 19:011847g43558
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov, 16:393458g43557
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov, 11:3413335g43556
Jargon, terminology , words' meanings, etc.Tony Oz30 Nov, 08:193932g43555
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe30 Nov, 07:342565g43554
Re: Celestial Navigation on the surface of MarsJohn D. Howard30 Nov, 05:312018g43553
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov, 03:206731g43552
Re: Using "hack" as a verbFrank Reed30 Nov, 03:0111445g43551
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov, 02:421588g43550
Re: Using "hack" as a verbRoger W. Sinnott29 Nov, 21:457194g43549
Re: Marion-Bermuda Race 2019Bill B29 Nov, 21:263230g43548
Longitude, the Bounty, and William BlighCharles McElhill29 Nov, 20:523542g43547
Re: Marion-Bermuda Race 2019Frank Reed29 Nov, 20:503799g43546
Re: Marion-Bermuda Race 2019Tony Oz29 Nov, 19:041695g43545
Re: Marion-Bermuda Race 2019Tony Oz29 Nov, 19:012323g43544
Re: Marion-Bermuda Race 2019Brad Morris29 Nov, 17:358042g43543
Marion-Bermuda Race 2019Frank Reed29 Nov, 16:403453g43542
Re: Refraction, Cassini modelRoger W. Sinnott29 Nov, 13:247702g43541
Re: Heath Sextant P356 - reading the vernier scaleGeoffrey Kolbe29 Nov, 12:502178g43540
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko29 Nov, 05:342432g43539
Re: Refraction, Cassini modelPaul Hirose28 Nov, 23:334535g43538
Re: Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov, 22:131429g43537
Re: Harbor MarkersFrank Reed28 Nov, 19:106780g43536
Re: Harbor MarkersEamonn Sparling28 Nov, 19:132238g43535
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko28 Nov, 17:212964g43534
Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov, 17:002358g43533
Re: Using "hack" as a verbD Maracle28 Nov, 15:591815g43532
Searched for Casio fx-98, found this...Tony Oz28 Nov, 15:332021g43531
Re: Bright Venus againAntoine Couëtte28 Nov, 11:302212g43530
Re: Harbor MarkersDavid Pike28 Nov, 09:044743g43529
Re: Bright Venus againPaul Hirose28 Nov, 07:193294g43528
Re: Harbor MarkersBrad Morris28 Nov, 02:4217699g43527
Re: Degree CalculatorDavid C28 Nov, 02:138351g43526
Re: Refraction, Cassini modelRoger W. Sinnott28 Nov, 01:088009g43525
Re: Refraction, Cassini modelPaul Hirose27 Nov, 22:0414224g43524
Re: Degree CalculatorBob Goethe27 Nov, 18:483033g43523
Re: Harbor MarkersDavid Pike27 Nov, 17:5411343g43522
Re: Bright Venus againAntoine Couëtte27 Nov, 15:151839g43521
Re: Using "hack" as a verbWayne Hilliard27 Nov, 02:156240g43520
Re: Degree CalculatorBrad Morris26 Nov, 22:419116g43519
Re: Harbor MarkersBrad Morris26 Nov, 22:0111076g43518
Re: Degree CalculatorDavid C26 Nov, 21:145454g43517
Re: Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseBrad Morris26 Nov, 20:578153g43516
Re: Using "hack" as a verbDavid Pike26 Nov, 20:573173g43515
Re: Using "hack" as a verbFrank Reed26 Nov, 20:468993g43514
Re: Harbor MarkersDavid Pike26 Nov, 20:348616g43513
Re: Using "hack" as a verbFrank Reed26 Nov, 20:174161g43512
Re: Using "hack" as a verbDavid C26 Nov, 19:453144g43511
Re: Optimum number of LOPsGreg Rudzinski26 Nov, 15:071884g43510
Re: Degree CalculatorBrad Morris26 Nov, 13:528834g43509
Re: Harbor MarkersBill Lionheart26 Nov, 13:205428g43508
Re: Bright Venus againBill Ritchie26 Nov, 11:0511087g43507
Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseEd Popko26 Nov, 10:594100g43506
Re: Using "hack" as a verbDavid Pike26 Nov, 10:336322g43505
Re: Optimum number of LOPsBill Lionheart26 Nov, 09:396174g43504
Re: Degree CalculatorDavid C26 Nov, 08:382710g43503
Re: Optimum number of LOPsBill Lionheart26 Nov, 08:305011g43502
Re: Using "hack" as a verbJacob M. Huffman III26 Nov, 03:035901g43501
Re: Degree CalculatorDavid C26 Nov, 01:414377g43500
Re: Using "hack" as a verbDavid C26 Nov, 01:171806g43499
Re: Using "hack" as a verbDavid C26 Nov, 00:552530g43498
Re: Harbor MarkersJohn D. Howard25 Nov, 21:062518g43497
Re: Harbor MarkersBrad Morris25 Nov, 16:269007g43496
Re: Using "hack" as a verbJacob M. Huffman III25 Nov, 13:333416g43495
Re: Degree CalculatorEd Popko25 Nov, 11:092222g43494
Re: Harbor MarkersMichael Bradley25 Nov, 09:027388g43493
Re: Using "hack" as a verbThomas Spidle25 Nov, 04:014738g43492
Re: Degree CalculatorSean C25 Nov, 03:014051g43491
Re: Degree CalculatorDavid C25 Nov, 02:342250g43490
Re: Degree CalculatorDavid C25 Nov, 02:292449g43489
Re: Harbor MarkersJohn D. Howard25 Nov, 02:132032g43488
Re: Harbor MarkersBruce J. Pennino25 Nov, 00:593560g43487
Re: Harbor MarkersBrad Morris24 Nov, 23:187545g43486
Modern Navigators Are Numb To The UniversePaul Hirose24 Nov, 23:053858g43485
Harbor MarkersEamonn Sparling24 Nov, 21:352169g43484
Re: Using "hack" as a verbDavid C24 Nov, 21:054685g43483
Re: Using "hack" as a verbGary LaPook24 Nov, 19:391540g43482
Re: Using "hack" as a verbJohn D. Howard24 Nov, 19:072436g43481
Degree CalculatorBob Goethe24 Nov, 16:014829g43480
Using "hack" as a verbBob Goethe24 Nov, 15:382533g43479
Optimum number of LOPsBob Goethe24 Nov, 15:333101g43478
Re: Pub.249 Epoch 2020 is available.Robin Stuart24 Nov, 13:3550501g43477
Re: Declination and GHA: Nautical Almanac proceduresFrank Reed23 Nov, 18:043962g43476
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz23 Nov, 11:481811g43475
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov, 06:473158g43474
Re: SNO-T "night" sight tube?Brad Morris23 Nov, 03:359287g43473
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov, 01:112890g43472
Re: SNO-T "night" sight tube?Brad Morris22 Nov, 21:466181g43471
Re: SNO-T "night" sight tube?Bill Morris22 Nov, 19:533943g43470
Re: SNO-T "night" sight tube?Tony Oz22 Nov, 19:312425g43469
Re: SNO-T "night" sight tube?Brad Morris22 Nov, 12:235639g43468
Re: SNO-T "night" sight tube?Alexandre Eremenko21 Nov, 22:381979g43467
Re: Quad regression for Lunar Distances?Tony Oz21 Nov, 22:042575g43466
Re: Quad regression for Lunar Distances?Frank Reed21 Nov, 16:039450g43465
Celestial Tools V5.8.0Stan K21 Nov, 15:431024908g43464
Re: Quad regression for Lunar Distances?Tony Oz21 Nov, 15:043173g43463
Re: SNO-T "night" sight tube?Tony Oz21 Nov, 08:432320g43462
Re: SNO-T "night" sight tube?Gary LaPook21 Nov, 05:301435g43461
Re: "The Lonely Halls Meeting"Richard Easton21 Nov, 02:082918g43460
Re: "The Lonely Halls Meeting"Brad Morris20 Nov, 22:587583g43459
Re: Converting degrees-minutes to degrees and backPaul Hirose20 Nov, 19:006199g43458
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov, 18:592018g43457
"The Lonely Halls Meeting"Richard Easton20 Nov, 16:571619g43456
Re: Converting degrees-minutes to degrees and backBrad Morris20 Nov, 13:5413643g43455
Re: Quad regression for Lunar Distances?Herman Dekker20 Nov, 12:261803g43454
Re: Geodesic versus great circleAndrés Ruiz20 Nov, 09:463341093g43453
Re: WWV tropical weather announcementsRichard B. Langley20 Nov, 09:262285g43452
Re: SNO-T "night" sight tube?Tony Oz20 Nov, 08:282366g43451
Re: SNO-T "night" sight tube?Tony Oz20 Nov, 08:131675g43450
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov, 01:412930g43449
Re: SNO-T "night" sight tube?Paul Werner19 Nov, 20:3949257g43448
Re: SNO-T "night" sight tube?Tony Oz19 Nov, 18:161625g43447
Re: SNO-T "night" sight tube?Paul Werner19 Nov, 17:372041g43446
Re: Quad regression for Lunar Distances?Frank Reed19 Nov, 16:402312g43445
WWV tropical weather announcementsFrank Reed19 Nov, 16:373006g43444
Re: SNO-T "night" sight tube?Tony Oz19 Nov, 16:031628g43443
Re: SNO-T "night" sight tube?Alexandre Eremenko19 Nov, 15:543659g43442
Re: Geodesic versus great circlePaul Hughes19 Nov, 14:292083g43441
SNO-T "night" sight tube?Tony Oz19 Nov, 14:033253g43440
Re: Refraction, Cassini modelAntoine Couëtte19 Nov, 13:361517g43439
Re: Converting degrees-minutes to degrees and backBrad Morris19 Nov, 12:359168g43438
Re: Converting degrees-minutes to degrees and backDavid Pike19 Nov, 11:467822g43437
Converting degrees-minutes to degrees and backSteve E. Bryant19 Nov, 03:424837g43436
Refraction, Cassini modelPaul Hirose18 Nov, 03:3911647g43435
Re: Latitude by Talcott-Horrebow MethodFrank Reed17 Nov, 19:261854g43434
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe17 Nov, 19:203942g43433
Re: Bright Venus againPeter Hakel17 Nov, 17:522509g43432
Re: Keyboard Sextant "Keycaps"Tony Oz17 Nov, 17:411706g43431
Re: Keyboard Sextant "Keycaps"Morfydd James17 Nov, 13:521417g43430
Re: Bright Venus againAntoine Couëtte17 Nov, 07:598710g43429
Keyboard Sextant "Keycaps"Sean C17 Nov, 06:403467g43428
Re: Geodesic versus great circleFrank Reed16 Nov, 18:307605g43427
Geodesic versus great circleBill Lionheart16 Nov, 17:073209g43426
Long Term Almanac for navigational starsRafal O.16 Nov, 13:517810g43425
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesJohn D. Howard15 Nov, 15:511874g43424
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesGreg Rudzinski15 Nov, 15:391716g43423
Sexagesimal vs Degree-minute-tenths of minutes anglesEd Popko15 Nov, 11:032527g43422
Re: A question about an Alan Jackson songStan K15 Nov, 01:118515g43421
Re: Russia blocked GPS data during NATO exercises: NorwayGeoffrey Kolbe14 Nov, 21:451653g43420
Re: Russia blocked GPS data during NATO exercises: NorwayBrad Morris14 Nov, 21:005173g43419
Re: A question about an Alan Jackson songStan K14 Nov, 17:523968g43418
Re: What is this display?Morfydd James14 Nov, 17:301587g43417
Declination and GHA: Nautical Almanac proceduresMike Freeman14 Nov, 16:344473g43416
Bright Venus againAntoine Couëtte14 Nov, 07:432538g43415
Re: Russia blocked GPS data during NATO exercises: NorwaySean C14 Nov, 03:551845g43414
Re: A question about an Alan Jackson songSean C14 Nov, 03:473531g43413
Re: A question about an Alan Jackson songBrad Morris14 Nov, 01:59531963g43412
A quick Mars lunarPeter Hakel14 Nov, 01:593037g43411
Re: A question about an Alan Jackson songFrancis Upchurch14 Nov, 01:563548g43410
Re: A question about an Alan Jackson songStan K13 Nov, 23:146882g43409
Re: A question about an Alan Jackson songStan K13 Nov, 23:1117878g43408
Re: A question about an Alan Jackson songRoger W. Sinnott13 Nov, 22:179158g43407
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz13 Nov, 21:141609g43406
Re: A question about an Alan Jackson songBrad Morris13 Nov, 21:0317244g43405
Re: A question about an Alan Jackson songBrad Morris13 Nov, 19:3314251g43404
Russia blocked GPS data during NATO exercises: NorwayPete Solon Palmer13 Nov, 19:031725g43403
A question about an Alan Jackson songStan K13 Nov, 15:0714069g43402
Re: Celestial Navigation on the surface of MarsGreg Rudzinski13 Nov, 12:423235g43401
Re: What is this display?Morfydd James13 Nov, 10:361806g43400
Re: What is this display?Luc Van den Borre13 Nov, 10:271832g43399
Re: What is this display?Frank Reed13 Nov, 06:307139g43398
Re: What is this display?Morfydd James13 Nov, 02:471545g43397
Re: Astro Navigation at HMS CollingwoodBrad Morris13 Nov, 00:396122g43396
What is this display?Frank Reed12 Nov, 22:371845g43395
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov, 22:283540g43394
Re: Astro Navigation at HMS CollingwoodPeter Monta12 Nov, 22:124680g43393
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov, 18:254232g43392
Re: Celestial Navigation on the surface of MarsFrank Reed12 Nov, 16:576522g43391
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov, 16:323163g43390
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov, 15:4414159g43389
Re: Astro Navigation at HMS CollingwoodBill Lionheart12 Nov, 14:326119g43388
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov, 13:331924g43387
Horizon shades and an index microscope?Tony Oz12 Nov, 09:012337g43386
Sextants' paint color?Tony Oz12 Nov, 08:502472g43385
Re: Celestial Navigation on the surface of MarsRobert VanderPol II12 Nov, 06:426478g43384
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov, 00:012009g43383
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov, 21:585123g43382
Re: Astro Navigation at HMS CollingwoodBob Goethe11 Nov, 21:577565g43381
Re: Quad regression for Lunar Distances?Frank Reed11 Nov, 19:5312438g43380
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov, 18:491571g43379
Re: Quad regression for Lunar Distances?Robert Bernecky11 Nov, 18:482235g43378
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov, 18:472080g43377
Re: Celestial Navigation on the surface of MarsFrank Reed11 Nov, 18:0315924g43376
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov, 16:242837g43375
Re: Astro Navigation at HMS CollingwoodBrad Morris11 Nov, 16:217179g43374
Re: Celestial Navigation on the surface of MarsDon Seltzer11 Nov, 15:205231g43373
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov, 14:409713g43372
Astro Navigation at HMS CollingwoodBill Lionheart11 Nov, 13:162915g43371
Re: Celestial Navigation on the surface of MarsGreg Rudzinski11 Nov, 13:062005g43370
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov, 11:412314g43369
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov, 04:032477g43368
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov, 00:561934g43367
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov, 00:4113364g43366
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov, 00:3514614g43365
Re: Quad regression for Lunar Distances?Robert Bernecky10 Nov, 22:582092g43364
Re: Celestial Navigation on the surface of MarsMorfydd James10 Nov, 21:522217g43363
Re: Celestial Navigation on the surface of MarsBrad Morris10 Nov, 17:157670g43362
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov, 15:422010g43361
Re: Celestial Navigation on the surface of MarsGeoffrey Kolbe10 Nov, 14:533691g43360
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov, 14:232035g43359
Re: Zenith sun tomorrow and USN celestial softwareJohn D. Howard10 Nov, 03:261889g43358
Re: Quad regression for Lunar Distances?Paul Hirose9 Nov, 23:043424g43357
Re: DIY Davis prism directly on the mirror?Bruce Cutting9 Nov, 19:454073g43356
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov, 18:526399g43355
Re: Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov, 18:151533g43354
Re: Life raft questions - knowing only GHA and sun's rising or settingDerrick Young9 Nov, 18:065791g43353
Re: Zenith sun tomorrow and USN celestial softwareTony Oz9 Nov, 15:272482g43352
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov, 15:102932g43351
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov, 12:484972g43350
Re: Zenith sun tomorrow and USN celestial softwareGreg Rudzinski9 Nov, 12:081425g43349
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov, 10:583665g43348
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov, 08:142305240g43347
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov, 07:512165g43346
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov, 07:4614996492g43345
Re: DIY Davis prism directly on the mirror?Tony Oz9 Nov, 07:452069g43344
Re: Latitude by Talcott-Horrebow MethodPaul Hirose9 Nov, 07:304604g43343
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov, 05:226085g43342
Re: Quad regression for Lunar Distances?Sean C9 Nov, 04:394496g43341
Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov, 03:412180g43340
Re: DIY Davis prism directly on the mirror?Brad Morris9 Nov, 03:316873g43339
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris9 Nov, 02:0911308g43338
Re: Time zone sign conventionsSteve E. Bryant8 Nov, 20:421839g43337
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov, 20:093915g43336
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris8 Nov, 18:507609g43335
Re: Life raft questions - knowing only GHA and sun's rising or settingFrank Reed8 Nov, 18:316510g43334
Re: Quad regression for Lunar Distances?Frank Reed8 Nov, 18:3010097g43333
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov, 16:002486g43332
Re: Celestial Navigation on the surface of MarsGreg Rudzinski8 Nov, 13:572249g43331
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov, 13:371911g43330
Re: Celestial Navigation on the surface of MarsBrad Morris8 Nov, 13:35628723g43329
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov, 13:192321g43328
Re: Latitude by Talcott-Horrebow MethodPeter Monta8 Nov, 12:158099g43327
DIY shade: a polarising filter?Tony Oz8 Nov, 11:342590g43326
Re: Life raft questions - knowing only GHA and sun's rising or settingEd Popko8 Nov, 11:273281g43325
Re: Quad regression for Lunar Distances?Lars Bergman8 Nov, 10:135089g43324
Re: DIY Davis prism directly on the mirror?Tony Oz8 Nov, 09:073460g43323
Re: Time zone sign conventionsTony Oz8 Nov, 07:383412g43322
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov, 05:131867g43321
Re: Time zone sign conventionsSean C8 Nov, 05:012198g43320
Re: Celestial Navigation on the surface of MarsPaul Dolkas8 Nov, 03:4610549g43319
Time zone sign conventionsSteve E. Bryant8 Nov, 02:564929g43318
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov, 01:101549g43317
Re: Life raft questions - knowing only GHA and sun's rising or settingStan K7 Nov, 22:39451402g43316
Re: Latitude by Talcott-Horrebow MethodBrad Morris7 Nov, 22:197946g43315
Celestial Navigation on the surface of MarsMorfydd James7 Nov, 22:181878g43314
Re: DIY Davis prism directly on the mirror?Brad Morris7 Nov, 22:086855g43313
Re: Quad regression for Lunar Distances?Sean C7 Nov, 21:583423g43312
Re: GPS and the Chandler WobblePeter Monta7 Nov, 21:317157g43311
DIY Davis prism directly on the mirror?Tony Oz7 Nov, 19:002690g43310
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz7 Nov, 18:482544g43309
Life raft questions - knowing only GHA and sun's rising or settingEd Popko7 Nov, 16:033576g43308
Re: Quad regression for Lunar Distances?Lars Bergman7 Nov, 14:535175g43307
Re: Avoiding the symmedian (and other) pointsBill Lionheart7 Nov, 06:054221g43306
Re: GPS and the Chandler WobblePaul Hirose7 Nov, 03:124401g43305
Re: Avoiding the symmedian (and other) pointsFrank Reed6 Nov, 22:457756g43304
Re: Quad regression for Lunar Distances?Frank Reed6 Nov, 22:155780g43303
Re: Avoiding the symmedian (and other) pointsBill Lionheart6 Nov, 21:544539g43302
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov, 21:174799g43301
Quad regression for Lunar Distances?Tony Oz6 Nov, 16:413558g43300
Re: Latitude by Talcott-Horrebow MethodWilliam Porter6 Nov, 16:031662g43299
Re: Latitude by Talcott-Horrebow MethodPaul Hirose6 Nov, 08:377652g43298
Re: GPS and the Chandler WobbleJohn D. Howard6 Nov, 03:411460g43297
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov, 00:016386g43296
GPS and the Chandler WobbleBrad Morris5 Nov, 23:217828g43295
Avoiding the symmedian (and other) pointsGary LaPook5 Nov, 21:434508g43294
Re: Latitude by Talcott-Horrebow MethodJohn D. Howard5 Nov, 20:301712g43293
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov, 19:5324277g43292
Mirror-adjustment key replacement foundTony Oz5 Nov, 18:322231g43291
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov, 16:2219108g43290
Modern Celestial: Fri/Sat this week at Mystic SeaportFrank Reed5 Nov, 15:582566g43289
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov, 15:271405g43288
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov, 11:131785g43287
Re: Latitude by Talcott-Horrebow MethodWilliam Porter5 Nov, 11:022530g43286
Re: Lunars with Young's formula: always off by several minutesWilliam Porter5 Nov, 07:514054g43285
Re: Latitude by Talcott-Horrebow MethodPaul Hirose5 Nov, 06:187380g43284
Re: Lunars with Young's formula: always off by several minutesPaul Hirose5 Nov, 05:124844g43283
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov, 21:561461g43282
Re: Lunars with Young's formula: always off by several minutesBrad Morris4 Nov, 21:204361g43281
Re: GPS jamming causes drones to crashDavid Pike4 Nov, 20:376502g43280
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov, 20:201562g43279
Re: GPS jamming causes drones to crashDavid Pike4 Nov, 17:486337g43278
Re: Lunars with Young's formula: always off by several minutesLars Bergman4 Nov, 13:182394g43277
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe4 Nov, 06:533680g43276
Re: Latitude by Talcott-Horrebow MethodBrad Morris4 Nov, 05:2313724g43275
Re: GPS jamming causes drones to crashGary LaPook4 Nov, 03:151837g43274
Re: Simpler than latitude and longitude?Gary LaPook4 Nov, 02:451387g43273
Re: Navigation Conference, Mystic Seaport, 2019?Gary LaPook4 Nov, 02:321517g43272
Re: Pub.249 Epoch 2020 is available.Brad Morris4 Nov, 01:024235g43271
Re: Navigation Conference, Mystic Seaport, 2019?William Porter3 Nov, 20:511482g43270
Simpler than latitude and longitude?Frank Reed3 Nov, 19:124592g43269
Re: Pub.249 Epoch 2020 is available.Frank Reed3 Nov, 18:003647g43268
Re: GPS jamming causes drones to crashFrank Reed3 Nov, 17:443259g43267
GPS jamming causes drones to crashLu Abel3 Nov, 16:519347g43266
Re: Pub.249 Epoch 2020 is available.Rafal O.3 Nov, 16:314529g43265
Re: Latitude by Talcott-Horrebow MethodFrank Reed3 Nov, 16:2210097g43264
Re: Ratio of variancesFrank Reed3 Nov, 16:219515g43263
Re: Ratio of variancesBrad Morris3 Nov, 15:469562g43262
Re: Pub.249 Epoch 2020 is available.Brad Morris3 Nov, 15:091774g43261
Re: Navigation Conference, Mystic Seaport, 2019?Bruce J. Pennino3 Nov, 13:414651g43260
Re: Latitude by Talcott-Horrebow MethodWilliam Porter3 Nov, 11:271490g43259
Re: Ratio of variancesGreg Rudzinski3 Nov, 10:407082g43258
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe3 Nov, 06:532544g43257
Re: Ratio of variancesDavid Pike2 Nov, 22:253953g43256
Re: Pub.249 Epoch 2020 is available.Rafal O.2 Nov, 20:253714g43255
Re: Latitude by Talcott-Horrebow MethodEd Popko2 Nov, 20:171722g43254
Re: Lunars with Young's formula: always off by several minutesWilliam Porter2 Nov, 19:3619004g43253
Re: Latitude by Talcott-Horrebow MethodBrad Morris2 Nov, 19:142482g43252
Re: Pub.249 Epoch 2020 is available.Brad Morris2 Nov, 19:071852g43251
Latitude by Talcott-Horrebow MethodEd Popko2 Nov, 17:254749g43250
Re: Ratio of variancesGreg Rudzinski2 Nov, 15:302933g43249
Ratio of variancesBill Lionheart2 Nov, 14:403530g43248
Re: Navigation Conference, Mystic Seaport, 2019?Geoffrey Kolbe2 Nov, 13:111599g43247
Re: Pub.249 Epoch 2020 is available.Rafal O.2 Nov, 08:3314541g43246
Re: Lunars with Young's formula: always off by several minutesGeoffrey Kolbe2 Nov, 07:174176g43245
Re: Lunars with Young's formula: always off by several minutesSean C1 Nov, 23:032639g43244
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov, 22:481649g43243
Re: Navigation Conference, Mystic Seaport, 2019?Robert Pearson1 Nov, 22:421568g43242
Re: Navigation Conference, Mystic Seaport, 2019?Richard Easton1 Nov, 22:221526g43241
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov, 22:005188g43240
Re: Navigation Conference, Mystic Seaport, 2019?Jackson McDonald1 Nov, 21:2010036g43239
Re: Lunars with Young's formula: always off by several minutesPaul Hirose1 Nov, 19:103245g43238
Quantum Navigation, a backup to GPSBrad Morris1 Nov, 19:031666g43237
Re: Lunars with Young's formula: always off by several minutesLars Bergman1 Nov, 14:166672g43236
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov, 11:173880g43235
Re: Navigation jokesFrank Atkins1 Nov, 09:241331g43234
Re: Navigation Conference, Mystic Seaport, 2019?Jeremy C1 Nov, 06:551399g43233
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 Oct, 23:424000g43232
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct, 23:222163g43231
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct, 23:147279g43230
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct, 21:352869g43229
Re: Pub.249 Epoch 2020 is available.Brad Morris31 Oct, 21:114172g43228
Re: Lunars with Young's formula: always off by several minutesAndrés Ruiz31 Oct, 16:555642g43227
Re: Pub.249 Epoch 2020 is available.Rafal O.31 Oct, 16:343212g43226
Re: Logic of shadesGreg Rudzinski31 Oct, 16:006079g43225
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct, 13:493558g43224
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 Oct, 13:365746g43223
Re: Pub.249 Epoch 2020 is available.Rafal O.31 Oct, 10:312313g43222
Re: Navigation Conference, Mystic Seaport, 2019?Ed Popko31 Oct, 10:131583g43221
Re: Logic of shadesGary LaPook31 Oct, 04:513186g43220
Re: Navigation Conference, Mystic Seaport, 2019?Stan K30 Oct, 21:454727g43219
Lunars with Young's formula: always off by several minutesWilliam Porter30 Oct, 21:413242g43218
Navigation Conference, Mystic Seaport, 2019?Frank Reed30 Oct, 14:341974g43217
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct, 11:594451g43216
Re: Mark 15 sextantsMichael Bradley30 Oct, 08:522340g43215
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct, 08:212901g43214
Re: Navigation jokesAntoine Couëtte30 Oct, 07:162482g43213
Re: Longitude, zone time, and local mean timeBruce Cutting30 Oct, 00:494374g43212
Re: Longitude, zone time, and local mean timeDavid Fleming29 Oct, 20:402236g43211
Re: Longitude, zone time, and local mean timeBruce Cutting29 Oct, 20:024910g43210
Re: Equation of Time Simplified?Alejandro Muñoz29 Oct, 20:022980g43209
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct, 19:411672g43208
Re: Is most probable position (MPP) a dangerous misnomer?Frank Reed29 Oct, 19:387048g43207
Re: Mark 15 sextantsRoger W. Sinnott29 Oct, 19:079150g43206
Re: Mark 15 sextantsRoger W. Sinnott29 Oct, 18:497487g43205
Re: Is most probable position (MPP) a dangerous misnomer?David Pike29 Oct, 18:415829g43204
Longitude, zone time, and local mean timeSteve E. Bryant29 Oct, 18:383066g43203
Re: Navigation jokesRobin Stuart29 Oct, 16:251502g43202
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct, 14:594699g43201
Re: Pub.249 Epoch 2020 is available.Brad Morris29 Oct, 14:317005g43200
Re: Navigation jokesDon Seltzer29 Oct, 13:0411343g43199
Re: Mark 15 sextantsGreg Rudzinski29 Oct, 13:029222g43198
Re: Elements of the navigation triangleDavid Pike29 Oct, 09:014351g43197
Re: Mark 15 sextantsKen Gebhart29 Oct, 03:377190g43196
Elements of the navigation triangleSteve E. Bryant29 Oct, 00:422229g43195
Re: Is most probable position (MPP) a dangerous misnomer?David Pike28 Oct, 23:194131g43194
Re: Navigation jokesDavid Pike28 Oct, 22:4270741g43193
Re: Navigation jokesDavid Pike28 Oct, 22:261670g43192
Re: Navigation jokesSean C28 Oct, 04:531665g43191
Re: Navigation jokesPeter Hakel28 Oct, 04:003582g43190
Re: Navigation jokesJohn D. Howard28 Oct, 02:431645g43189
Re: Navigation jokesWil Bailey27 Oct, 23:055664g43188
Re: Mark 15 sextantsBrad Morris27 Oct, 20:00290996g43187
Re: Navigation jokesMark Coady27 Oct, 19:181486g43186
Re: Logic of shadesMark Coady27 Oct, 19:132676g43185
Re: Logic of shadesGeoffrey Kolbe27 Oct, 17:292029g43184
Re: Logic of shadesPaul Hirose27 Oct, 16:433260g43183
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard27 Oct, 16:352404g43182
Re: Navigation jokesFrancis Upchurch27 Oct, 14:413215g43181
Re: Mark 15 sextantsMichael Bradley27 Oct, 09:4611019g43180
Is most probable position (MPP) a dangerous misnomer?David Pike27 Oct, 09:223359g43179
Re: Logic of shadesFrancis Upchurch27 Oct, 06:434447g43178
Re: Logic of shadesFrancis Upchurch27 Oct, 06:354433g43177
Re: Logic of shadesDavid Fleming26 Oct, 22:321837g43176
Re: Mark 15 sextantsGord Cudlipp26 Oct, 21:521473g43175
Re: Mark 15 sextantsRoger W. Sinnott26 Oct, 21:428709g43174
Re: Mark 15 sextantsBrad Morris26 Oct, 21:334768509g43173
Re: Mark 15 sextantsRobert Pearson26 Oct, 20:383755g43172
Re: Logic of shadesPaul Dolkas26 Oct, 18:4713343g43171
Mark 15 sextantsGord Cudlipp26 Oct, 18:051980g43170
Re: Logic of shadesBrad Morris26 Oct, 17:199903g43169
Re: Logic of shadesFrank Reed26 Oct, 17:144352g43168
Logic of shadesalexander duytschaever26 Oct, 13:383644g43167
Re: Navigation jokesMichael Bradley26 Oct, 08:362010g43166
Re: Navigation jokesThomas Spidle26 Oct, 05:471336g43165
Re: Position lines with confidence weightsBill Lionheart26 Oct, 05:33109792g43164
Re: Navigation jokesThomas Spidle26 Oct, 05:283922g43163
Re: Navigation jokesRobert VanderPol II26 Oct, 04:072288g43162
Re: Navigation jokesEd Popko26 Oct, 01:471636g43161
Re: NavList dinner in Mystic October 27 (moved to Oct.28)Frank Reed26 Oct, 00:014473g43160
Re: Navigation jokesGreg R_25 Oct, 22:313672g43159
Navigation jokesEd Popko25 Oct, 21:401980g43158
Re: SkyfieldPaul Hirose25 Oct, 19:584010g43157
Re: Pub.249 Epoch 2020 is available.Tony Oz25 Oct, 18:082445g43156
Re: Pub.249 Epoch 2020 is available.Frank Reed25 Oct, 16:025585g43155
Re: Pub.249 Epoch 2020 is available.Rafal O.25 Oct, 09:362043g43154
Re: Pub.249 Epoch 2020 is available.Rafal O.25 Oct, 06:306138g43153
Re: Pub.249 Epoch 2020 is available.Frank Reed24 Oct, 21:435523g43152
Re: Pub.249 Epoch 2020 is available.Tony Oz24 Oct, 20:311713g43151
Brightest planet in the sky tonightDon Seltzer24 Oct, 19:514384g43150
Maritime publisher Brown, Son and FergusonPaul Hirose24 Oct, 17:333641g43149
Re: NavList dinner in Mystic October 27Frank Reed24 Oct, 17:224137g43148
Re: Pub.249 Epoch 2020 is available.Rafal O.24 Oct, 07:472262g43147
Re: Personal equation in timed observationsPeter Monta24 Oct, 06:304260g43146
Re: SkyfieldPeter Monta24 Oct, 06:196010g43145
Re: SkyfieldJosh Paterson23 Oct, 23:422754g43144
Re: SkyfieldJohn D. Howard23 Oct, 23:101484g43143
Re: SkyfieldLars Bergman23 Oct, 21:003128g43142
Re: SkyfieldRobin Stuart23 Oct, 20:2447694g43141
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct, 19:482016g43140
Re: Personal equation in timed observationsSean C23 Oct, 18:143839g43139
Re: Pub.249 Epoch 2020 is available.Gary LaPook23 Oct, 16:541930g43138
Re: SkyfieldJohn D. Howard23 Oct, 16:052284g43137
Re: Personal equation in timed observationsBrad Morris23 Oct, 15:3715192g43136
Pub.249 Epoch 2020 is available.Tony Oz23 Oct, 12:032285g43135
Re: SkyfieldLars Bergman23 Oct, 10:312976g43134
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct, 08:475136g43133
Re: SkyfieldPaul Hirose23 Oct, 05:323232g43132
Personal equation in timed observationsPaul Hirose23 Oct, 05:306659g43131
Re: SkyfieldKen Muldrew22 Oct, 23:0111535g43130
Re: Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct, 22:044479g43129
SkyfieldRobin Stuart22 Oct, 21:1447994g43128
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz22 Oct, 16:313351g43127
Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct, 14:315469g43126
Re: Fit vs Regression: what is the difference?Frank Reed22 Oct, 14:093817g43125
Fit vs Regression: what is the difference?Tony Oz22 Oct, 09:452675g43124
Re: NavList dinner in Mystic October 27Frank Reed21 Oct, 18:283405g43123
Re: Linear regression and other toolsFrank Reed21 Oct, 13:568232g43122
Re: Linear regression and other toolsTony Oz21 Oct, 08:222658g43121
Re: Linear regression and other toolsTony Oz20 Oct, 21:291678g43120
Re: Linear regression and other toolsTony Oz20 Oct, 19:324655g43119
Re: 2nd Order Regression limitationsBrad Morris20 Oct, 19:305455g43118
Astron 2.00 releasePeter Hakel20 Oct, 17:113501g43117
Re: Position lines with confidence weightsAntoine Couëtte19 Oct, 20:271605g43116
Re: Position lines with confidence weightsEd Popko19 Oct, 18:281537g43115
Position lines with confidence weightsFrank Reed19 Oct, 18:175340g43114
Re: Maximum likelihood position with triangle on a sphereDavid Pike19 Oct, 17:344159g43113
Maximum likelihood position with triangle on a sphereBill Lionheart19 Oct, 16:093703g43112
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike18 Oct, 19:418784g43111
Re: Were there secret techniques in the 17th and 18th CenturyPaul Hirose18 Oct, 18:414540g43110
Re: Were there secret techniques in the 17th and 18th CenturyGary LaPook18 Oct, 08:001536g43109
Re: Were there secret techniques in the 17th and 18th CenturyBrad Morris18 Oct, 02:499409g43108
Re: Were there secret techniques in the 17th and 18th CenturySean C18 Oct, 02:213754g43107
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike17 Oct, 21:346019g43106
Re: 2nd Order Regression limitationsFrank Reed17 Oct, 19:431887g43105
Re: News from Stan KFrank Reed17 Oct, 19:2511304g43104
Re: Were there secret techniques in the 17th and 18th CenturyFrank Reed17 Oct, 17:164948g43103
2nd Order Regression limitationsAntoine Couëtte17 Oct, 17:1116187g43102
Were there secret techniques in the 17th and 18th CenturyBill Lionheart17 Oct, 16:122878g43101
Re: News from Stan KBrad Morris17 Oct, 01:5914846g43100
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct, 21:422289g43099
Re: News from Stan KStan K16 Oct, 21:2712370g43098
Re: Symmedian point -earliest reference in navigationBrad Morris16 Oct, 20:1512071g43097
Re: Symmedian point -earliest reference in navigationGary LaPook16 Oct, 18:278346g43096
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct, 18:127842g43095
Re: Symmedian point -earliest reference in navigationAndrés Ruiz16 Oct, 10:274182g43094
Re: Linear regression and other toolsAndrés Ruiz16 Oct, 09:57238761g43093
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct, 08:395244g43092
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct, 08:186639g43091
Re: Linear regression and other toolsRobert Bernecky16 Oct, 00:161768g43090
Re: A 300-year-old clock found on Derbyshire estate sells for 230kBrad Morris15 Oct, 19:364814g43089
A 300-year-old clock found on Derbyshire estate sells for 230kRichard B. Langley15 Oct, 19:071895g43088
Re: Symmedian point -earliest reference in navigationBrad Morris15 Oct, 18:1210082g43087
Re: Linear regression and other toolsBrad Morris15 Oct, 16:586710g43086
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct, 15:082643g43085
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct, 15:032500g43084
Re: Linear regression and other toolsTony Oz15 Oct, 11:502591g43083
Re: Symmedian point -earliest reference in navigationHerbert Prinz15 Oct, 04:281970g43082
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct, 22:172424g43081
Re: Software tool for Celestial Nav Training - a reportEd Popko14 Oct, 19:311740g43080
Re: Linear regression and other toolsBruce Cutting14 Oct, 18:454855g43079
Re: Linear regression and other toolsAntoine Couëtte14 Oct, 18:363576g43078
Re: Symmedian point -earliest reference in navigationBrad Morris14 Oct, 18:307529g43077
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct, 16:074809g43076
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct, 16:003343g43075
On the use of Lindbergh-Weems second-setting navigation watchEd Popko14 Oct, 12:315526g43074
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct, 11:074714g43073
Re: Linear regression and other toolsAntoine Couëtte14 Oct, 08:2319518g43072
Re: Linear regression and other toolsAntoine Couëtte14 Oct, 05:5424704g43071
Re: To what level must the accuracy go?Jeremy C14 Oct, 05:361686g43070
Re: Linear regression and other toolsRon Jones14 Oct, 04:155348g43069
Re: Symmedian point -earliest reference in navigationHerbert Prinz14 Oct, 02:422104g43068
Re: Linear regression and other toolsRon Jones14 Oct, 00:453127g43067
Re: To what level must the accuracy go?Tom Sult13 Oct, 23:5512293g43066
Re: Linear regression and other toolsTony Oz13 Oct, 22:346622g43065
To what level must the accuracy go?Brad Morris13 Oct, 22:1710536g43064
Software tool for Celestial Nav Training - a reportEric van der Veen13 Oct, 20:213621g43063
Re: Linear regression and other toolsBruce Cutting13 Oct, 16:565157g43062
Re: Linear regression and other toolsAntoine Couëtte13 Oct, 16:362685g43061
Re: Linear regression and other toolsRon Jones13 Oct, 16:004643g43060
Symmedian point -earliest reference in navigationBill Lionheart13 Oct, 12:543429g43059
Re: Linear regression and other toolsAntoine Couëtte13 Oct, 04:413423g43058
Re: Linear regression and other toolsRon Jones12 Oct, 18:242784g43057
Re: Linear regression and other toolsAntoine Couëtte12 Oct, 17:443551g43056
Re: Linear regression and other toolsAntoine Couëtte12 Oct, 17:038805g43055
Re: Linear regression and other toolsTony Oz12 Oct, 15:383212g43054
Re: Linear regression and other toolsBrad Morris12 Oct, 15:359791g43053
Re: Linear regression and other toolsAntoine Couëtte12 Oct, 15:139410g43052
Re: Where is this mountain citadel?John D. Howard12 Oct, 14:592333g43051
Re: NavList dinner in Mystic October 27Frank Atkins12 Oct, 13:081363g43050
Re: Linear regression and other toolsTony Oz12 Oct, 12:423374g43049
NavList dinner in Mystic October 27Frank Reed12 Oct, 12:342242g43048
Re: Linear regression and other toolsAntoine Couëtte12 Oct, 09:364979g43047
Re: Linear regression and other toolsTony Oz11 Oct, 20:412843g43046
Re: Linear regression and other toolsAntoine Couëtte11 Oct, 19:005056g43045
Re: Linear regression and other toolsLars Bergman11 Oct, 18:475979g43044
Re: Linear regression and other toolsBrad Morris11 Oct, 15:1011489g43043
Re: Linear regression and other toolsLars Bergman11 Oct, 09:493359g43042
Re: Linear regression and other toolsTony Oz10 Oct, 21:463864g43041
Re: Linear regression and other toolsBrad Morris10 Oct, 19:487273g43040
Re: A different type of heavenly bodyBrad Morris10 Oct, 16:167370g43039
Linear regression and other toolsTony Oz10 Oct, 10:102729g43038
A different type of heavenly bodyDon Seltzer10 Oct, 02:43813582g43037
Re: Where is this mountain citadel?John D. Howard9 Oct, 15:111503g43036
Re: Where is this mountain citadel?David Pike9 Oct, 13:052977g43035
Re: Where is this mountain citadel?David Pike9 Oct, 10:167966g43034
Re: Where is this mountain citadel?Robert H. van Gent9 Oct, 09:008044g43033
Re: Where is this mountain citadel?Herman Dekker9 Oct, 07:281422g43032
Re: A little space navigationFrank Reed9 Oct, 03:214920g43031
Re: A little space navigationBrad Morris9 Oct, 02:0712146g43030
Where is this mountain citadel?Frank Reed9 Oct, 00:034626g43029
Re: A little space navigationDavid Pike8 Oct, 22:525977g43028
Re: A little space navigationFrank Reed8 Oct, 18:523089g43027
Re: A little space navigationFrank Reed8 Oct, 18:442933g43026
Re: A little space navigationBrad Morris8 Oct, 15:1910095g43025
Re: A little space navigationDavid Pike8 Oct, 07:163501g43024
Re: A little space navigationBrad Morris7 Oct, 22:5614652g43023
Re: A little space navigationDavid Pike7 Oct, 20:389032g43022
Re: T Hav Doniol Sumner LOP ExampleD Maracle7 Oct, 17:481394g43021
Re: A little space navigationBrad Morris7 Oct, 04:4810084g43020
Re: An Embarrassing ConundrumFrank Reed6 Oct, 22:164476g43019
Re: An Embarrassing ConundrumDavid Pike6 Oct, 20:552943g43018
Re: An Embarrassing ConundrumAntoine Couëtte6 Oct, 18:312336g43017
Re: An Embarrassing ConundrumFrank Reed6 Oct, 18:014068g43016
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski6 Oct, 17:521615g43015
Re: An Embarrassing ConundrumGary LaPook6 Oct, 17:3413232g43014
Re: T Hav Doniol Sumner LOP ExampleD Maracle6 Oct, 16:191878g43013
An Embarrassing ConundrumDavid Pike6 Oct, 13:367300g43012
Re: A little space navigationDavid Pike6 Oct, 13:093579g43011
Re: A little space navigationRobert VanderPol II5 Oct, 19:533753g43010
Re: Range from calculated dip of the shore horizonDon Seltzer5 Oct, 19:078904g43009
Re: Protecting GNSS and Users - The Ideal APNTBrad Morris5 Oct, 18:3397841g43008
Re: A little space navigationBrad Morris5 Oct, 17:236849g43007
Re: Range from calculated dip of the shore horizonBob Crawley5 Oct, 14:273473g43006
Protecting GNSS and Users - The Ideal APNTRichard B. Langley5 Oct, 13:021886g43005
Re: A little space navigationSean C5 Oct, 08:362696g43004
Re: A little space navigationPeter Monta5 Oct, 05:523707g43003
Re: A little space navigationPeter Monta5 Oct, 05:096393g43002
Re: A little space navigationThomas Spidle5 Oct, 03:565408g43001
Re: Range from calculated dip of the shore horizonRobert VanderPol II5 Oct, 03:3310830g43000
Re: A little space navigationJacob M. Huffman III5 Oct, 02:134492g42999
A little space navigationFrank Reed5 Oct, 01:411499g42998
Amelia Earhart Book AuctionJackson McDonald4 Oct, 23:132016g42997
Range from calculated dip of the shore horizonDavid Pike4 Oct, 20:325438g42996
Re: A paper sextant sight...Tony Oz4 Oct, 15:412574g42995
Re: A paper sextant sight...David C4 Oct, 03:454352g42994
Re: Moon montage flaws... how many can you find?Frank Reed4 Oct, 02:265714g42993
Re: A paper sextant sight...Frank Reed3 Oct, 23:548015g42992
Re: Susceptibility of GPS to CME, Rationale for CN?Dennis Jewitt3 Oct, 18:321734g42991
Re: A paper sextant sight...Tony Oz3 Oct, 17:302245g42990
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski3 Oct, 15:481781g42989
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II3 Oct, 15:454312g42988
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi3 Oct, 14:472118g42987
Re: Moon montage flaws... how many can you find?Bill B3 Oct, 06:583307g42986
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch3 Oct, 05:113774g42985
Re: Susceptibility of GPS to CME, Rationale for CN?Brian Walton3 Oct, 04:292402g42984
Re: T Hav Doniol Sumner LOP ExampleBrian Walton3 Oct, 04:052340g42983
Re: Moon montage flaws... how many can you find?Frank Reed3 Oct, 02:493107g42982
Re: Moon montage flaws... how many can you find?Don Seltzer3 Oct, 00:425554g42981
Re: Susceptibility of GPS to CME, Rationale for CN?Tom Sult2 Oct, 23:0717993g42980
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris2 Oct, 22:1515734g42979
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct, 21:314157g42978
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct, 20:055239g42977
Re: Moon montage flaws... how many can you find?David Fleming2 Oct, 18:282170g42976
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct, 16:486382g42975
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski2 Oct, 15:431976g42974
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi2 Oct, 15:402810g42973
Re: Moon montage flaws... how many can you find?Bruce J. Pennino2 Oct, 13:525037g42972
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct, 13:101628g42971
Re: Moon montage flaws... how many can you find?Mike Mayer2 Oct, 11:377417g42970
Re: Moon montage flaws... how many can you find?Tony Oz2 Oct, 09:281932g42969
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct, 09:286148g42968
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct, 07:424057g42967
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte2 Oct, 07:017846g42966
Re: Moon montage flaws... how many can you find?Bob Goethe2 Oct, 05:281365g42965
Re: Moon montage flaws... how many can you find?Frank Reed2 Oct, 05:222143g42964
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II2 Oct, 05:024444g42963
Re: Moon montage flaws... how many can you find?Rommel John Miller2 Oct, 04:486619g42962
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct, 04:416456g42961
Moon montage flaws... how many can you find?Frank Reed2 Oct, 03:121459g42960
Re: Susceptibility of GPS to CME, Rationale for CN?John D. Howard2 Oct, 02:072615g42959
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct, 22:5014040g42958
Re: Susceptibility of GPS to CME, Rationale for CN?Hewitt Schlereth1 Oct, 21:1318966g42957
Re: Susceptibility of GPS to CME, Rationale for CN?David C1 Oct, 20:072127g42956
Re: Susceptibility of GPS to CME, Rationale for CN?Ed Popko1 Oct, 17:303673g42955
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct, 17:149977g42954
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct, 17:085862g42953
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte1 Oct, 10:463920g42952
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike1 Oct, 07:476184g42951
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II1 Oct, 03:1712355g42950
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct, 03:156004g42949
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct, 03:078026g42948
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct, 01:3810099g42947
Re: Susceptibility of GPS to CME, Rationale for CN?Bob Goethe30 Sep, 23:292609g42946
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris30 Sep, 22:2514337g42945
Re: Susceptibility of GPS to CME, Rationale for CN?Peter Monta30 Sep, 22:216443g42944
Re: News from Stan KFrank Reed30 Sep, 19:002250g42943
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike30 Sep, 09:075896g42942
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch30 Sep, 05:404669g42941
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris29 Sep, 22:378006g42940
Re: GNSS is not immortalBrad Morris29 Sep, 15:575270g42939
Re: Susceptibility of GPS to CME, Rationale for CN?Richard B. Langley29 Sep, 12:044056g42938
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta29 Sep, 04:125206g42937
TimeTom Sult29 Sep, 01:401656g42936
Re: GNSS is not immortalGary LaPook29 Sep, 01:391785g42935
Multiple GPS backups failFrank Reed28 Sep, 23:534937g42934
Re: Listening to WWV from 60N 30EPaul Hirose28 Sep, 21:504350g42933
Sight PlanningRon Jones28 Sep, 19:3346999g42932
Susceptibility of GPS to CME, Rationale for CN?Brad Morris28 Sep, 19:2012920g42931
Re: Timekeeping in the post-WWV/post-HF worldRichard B. Langley28 Sep, 15:393854g42930
Re: Timekeeping in the post-WWV/post-HF worldTony Oz28 Sep, 13:303581g42929
Anti-spoof appChris Caswell28 Sep, 11:021662g42928
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep, 06:526999g42927
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep, 06:414410g42926
Re: Timekeeping in the post-WWV/post-HF worldIan Vaughn28 Sep, 00:473346g42925
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed28 Sep, 00:424308g42924
NavListNews Twitter feedFrank Reed27 Sep, 22:397137g42923
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris27 Sep, 21:212311g42922
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep, 20:543697g42921
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep, 20:3711269g42920
Listening to WWV from 60N 30ETony Oz27 Sep, 20:013213g42919
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep, 19:465199g42918
Re: Global Hawk crash due to deactivated backup navigationAntoine Couëtte27 Sep, 19:461889g42917
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep, 19:2613116g42916
Global Hawk crash due to deactivated backup navigationFrank Reed27 Sep, 19:212509g42915
Re: Timekeeping in the post-WWV/post-HF worldFrank Reed27 Sep, 19:1214124g42914
Re: Timekeeping in the post-WWV/post-HF worldFrancis Upchurch27 Sep, 18:186079g42913
Re: GNSS is not immortalSteve Dunlop27 Sep, 17:224393g42912
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep, 17:115925g42911
Re: Unexpected USNO height correction preceptsAndrés Ruiz27 Sep, 11:2384318g42910
Re: Invert it: GPS as backup to primary celestial navigationAntoine Couëtte27 Sep, 06:093045g42909
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep, 04:259249g42908
Re: Timekeeping in the post-WWV/post-HF worldJohn D. Howard26 Sep, 22:162605g42907
Re: Lindbergh-Weems Second-Setting WatchGary LaPook26 Sep, 22:071517g42906
Re: GNSS is not immortalBob Goethe26 Sep, 22:056289g42905
Re: GNSS is not immortalPete Solon Palmer26 Sep, 21:0317592g42904
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep, 20:395936g42903
Invert it: GPS as backup to primary celestial navigationFrank Reed26 Sep, 20:275466g42902
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep, 20:264247g42901
Dunlap Sunrise Sunset ComputerBrad Morris26 Sep, 19:551873g42900
Re: GNSS is not immortalBrad Morris26 Sep, 19:1912720g42899
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep, 18:215563g42898
Re: Chart-plotters, dead reckoning, pilotage, etc.Bruce Cutting26 Sep, 17:064292g42897
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep, 17:524318g42896
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep, 17:256746g42895
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep, 16:293905g42894
Wwv/Wwvh/Wwvb Etc.Richard B. Langley26 Sep, 15:543354g42893
Re: Timekeeping in the post-WWV/post-HF worldTony Oz26 Sep, 13:021642g42892
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep, 12:207793g42891
Re: Venus phase correctionAndrés Ruiz26 Sep, 12:013852g42890
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep, 11:584159g42889
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep, 11:002135g42888
Re: Unexpected USNO height correction preceptsAntoine Couëtte26 Sep, 11:0011896g42887
Handheld Sextant in spacecraftEric van der Veen26 Sep, 09:201455g42886
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep, 06:494098g42885
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep, 05:416593g42884
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta26 Sep, 05:3013103g42883
Re: Unexpected USNO height correction preceptsPaul Hirose26 Sep, 04:034519g42882
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep, 02:392570g42881
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep, 02:34638133g42880
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantSean C26 Sep, 02:141379g42879
Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed26 Sep, 01:532903g42878
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep, 00:496202g42877
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris26 Sep, 00:217640g42876
Re: Lindbergh-Weems Second-Setting WatchEd Popko25 Sep, 22:2010566g42875
Re: GNSS is not immortalSteve Dunlop25 Sep, 22:152798g42874
Re: GPS selective availabilityPaul Hirose25 Sep, 22:107148g42873
Re: GNSS is not immortalRichard B. Langley25 Sep, 22:054776g42872
Re: GNSS is not immortalBrad Morris25 Sep, 19:358994g42871
Re: GNSS is not immortalBob Goethe25 Sep, 19:346161g42870
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep, 18:184698g42869
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep, 17:254658g42868
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep, 17:131492g42867
Re: GNSS is not immortalBrad Morris25 Sep, 17:096801g42866
Re: Chart-plotters, dead reckoning, pilotage, etc.Brad Morris25 Sep, 16:302996g42865
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep, 15:512247g42864
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep, 15:485042g42863
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep, 15:401594g42862
Re: GNSS is not immortalSteve Dunlop25 Sep, 15:377405g42861
Re: GNSS is not immortalSteve Dunlop25 Sep, 14:392453g42860
Re: Chart-plotters, dead reckoning, pilotage, etc.Jeremy C25 Sep, 11:483045g42859
Re: Timekeeping in the post-WWV/post-HF worldJeremy C25 Sep, 11:394652g42858
Re: Lindbergh-Weems Second-Setting WatchTony Oz25 Sep, 11:003907g42857
Re: Chart-plotters, dead reckoning, pilotage, etc.Pete Solon Palmer25 Sep, 07:2714413g42856
Re: GNSS is not immortalBrad Morris25 Sep, 06:5312895g42855
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep, 06:255072g42854
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep, 06:221340g42853
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep, 06:166815g42852
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris25 Sep, 06:0011152g42851
Re: GNSS is not immortalFrank Reed25 Sep, 03:153276g42850
Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep, 03:054382g42849
GNSS is not immortalSteve Dunlop25 Sep, 03:053024g42848
Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep, 03:048168g42847
Easy Intro Celestial, this weekend at Mystic SeaportFrank Reed24 Sep, 22:032842g42846
Re: Unexpected USNO height correction preceptsGreg Rudzinski24 Sep, 17:353249g42845
Re: Unexpected USNO height correction preceptsAntoine Couëtte24 Sep, 14:3532387g42844
Re: Lindbergh-Weems Second-Setting WatchTony Oz24 Sep, 09:452404g42843
Re: GPS selective availabilityRonald van Riet24 Sep, 08:303260g42842
Re: GPS selective availabilityGeoffrey Kolbe24 Sep, 05:402515g42841
Re: Navigation Presentation in NYC, Sep. 15Frank Reed24 Sep, 01:423207g42840
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep, 22:4612495g42839
Re: All Haversine Time SightBrad Morris23 Sep, 21:466224g42838
Re: GPS selective availabilityDavid Pike23 Sep, 21:073934g42837
Re: GPS selective availabilityDavid Pike23 Sep, 20:372559g42836
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep, 20:051783g42835
Re: All Haversine Time SightBrian Walton23 Sep, 19:332263g42834
Re: Venus phase correctionFrank Reed23 Sep, 18:3511280g42833
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep, 18:1516258g42832
Re: Prepare for Ice...Bill B23 Sep, 18:063988g42831
Re: Venus phase correctionRobert Bernecky23 Sep, 17:561841g42830
Re: Venus phase correctionAntoine Couëtte23 Sep, 17:229191g42829
Re: GPS selective availabilityFrank Reed23 Sep, 17:053935g42828
Re: Unexpected USNO height correction preceptsAntoine Couëtte23 Sep, 16:5519492g42827
Re: GPS selective availabilityGeoffrey Kolbe23 Sep, 16:173819g42826
Venus phase correctionRobert Bernecky23 Sep, 15:542217g42825
Re: RestorationBrad Morris23 Sep, 15:107522g42824
Re: Benchmark accuracyJohn D. Howard23 Sep, 15:074445g42823
Re: GPS selective availabilityJohn D. Howard23 Sep, 14:404012g42822
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep, 14:092921g42821
Re: GPS selective availabilityDavid Pike23 Sep, 11:237766g42820
Re: GPS selective availabilityRonald van Riet23 Sep, 08:332768g42819
Re: RestorationFrank Atkins23 Sep, 06:431753g42818
Re: GPS selective availabilityGeoffrey Kolbe23 Sep, 05:418375g42817
Re: RestorationBill Morris23 Sep, 02:562060g42816
Re: RestorationFrank Atkins23 Sep, 01:282432g42815
Re: Archives of NavList discussions, images, and other filesJohn D. Howard23 Sep, 01:131636g42814
Re: Benchmark accuracyBruce J. Pennino23 Sep, 00:595799g42813
Re: Archives of NavList discussions, images, and other filesSean C23 Sep, 00:273020g42812
Re: Benchmark accuracyJohn D. Howard22 Sep, 23:441979g42811
Re: Prepare for Ice...Brad Morris22 Sep, 22:457796g42810
Re: RestorationBrad Morris22 Sep, 22:396046g42809
Re: Viking NavigationBrad Morris22 Sep, 22:324296g42808
Benchmark accuracyLu Abel22 Sep, 21:593901g42807
Re: Prepare for Ice...Frank Reed22 Sep, 20:403950g42806
Re: Prepare for Ice...Frank Reed22 Sep, 20:283526g42805
Re: GPS selective availabilityJohn D. Howard22 Sep, 19:382499g42804
Re: Lindbergh-Weems Second-Setting WatchFrank Reed22 Sep, 19:383214g42803
Re: Unexpected USNO height correction preceptsFrank Reed22 Sep, 19:3016957g42802
Re: Is Celestial Navigation really a backup to GPS Navigation?Francis Upchurch22 Sep, 19:015366g42801
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep, 18:5413692g42800
Viking NavigationLu Abel22 Sep, 17:422015g42799
GPS selective availabilityGeoffrey Kolbe22 Sep, 16:515198g42798
Re: All Haversine Time SightBrad Morris22 Sep, 16:378695g42797
Re: Prepare for Ice...Michael Bradley22 Sep, 15:342063g42796
Re: Prepare for Ice...Lars Bergman22 Sep, 12:411495g42795
Re: Prepare for Ice...Robert VanderPol II22 Sep, 12:357157g42794
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep, 10:071676g42793
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep, 10:051759g42792
Re: Prepare for Ice...Bill B22 Sep, 07:593518g42791
Re: RestorationFrank Atkins22 Sep, 07:552168g42790
Re: All Haversine Time SightBrian Walton22 Sep, 06:342038g42789
Re: RestorationFrank Atkins22 Sep, 06:113042g42788
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep, 05:0888011g42787
Re: Prepare for Ice...David C22 Sep, 05:071994g42786
Re: RestorationBrad Morris22 Sep, 03:477077g42785
Re: Prepare for Ice...Frank Atkins22 Sep, 03:431679g42784
Prepare for Ice...Frank Reed22 Sep, 02:004457g42783
Re: RestorationFrank Atkins22 Sep, 01:162345g42782
Re: RestorationBrad Morris21 Sep, 23:306789g42781
Re: RestorationTony Oz21 Sep, 21:332848g42780
Re: Lindbergh-Weems Second-Setting WatchTony Oz21 Sep, 21:181555g42779
Archives of NavList discussions, images, and other filesFrank Reed21 Sep, 18:1511166g42778
Re: Is Celestial Navigation really a backup to GPS Navigation?Bob Goethe21 Sep, 17:221567g42777
Re: Latitude from meridian observationRobin Stuart21 Sep, 15:0046039g42776
Lindbergh-Weems Second-Setting WatchEd Popko21 Sep, 14:0846825g42775
Re: Is Celestial Navigation really a backup to GPS Navigation?Ed Popko21 Sep, 13:522208g42774
Re: Latitude from meridian observationFrank Reed20 Sep, 23:429843g42773
Latitude from meridian observationPaul Hirose20 Sep, 20:285180g42772
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep, 17:484408g42771
Re: The LunarsFrank Reed20 Sep, 17:343013g42770
Re: Is Celestial Navigation really a backup to GPS Navigation?Tom Sult20 Sep, 17:326539g42769
Re: Unexpected USNO height correction preceptsFrank Reed20 Sep, 17:2410352g42768
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep, 16:283255g42767
RestorationFrank Atkins20 Sep, 01:441806g42766
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep, 23:273724g42765
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep, 23:055881g42764
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep, 22:264168g42763
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris19 Sep, 18:5910059g42762
The LunarsSteve E. Bryant19 Sep, 16:526973g42761
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley19 Sep, 12:183873g42760
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep, 07:284244g42759
Re: Is Celestial Navigation really a backup to GPS Navigation?Paul Hirose19 Sep, 07:274849g42758
Re: News from Stan KAndrés Ruiz19 Sep, 06:163553g42757
Re: News from Stan KSean C19 Sep, 02:162337g42756
Vintage US Navy Celestial Navigation filmsFrank Reed19 Sep, 01:432626g42755
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed19 Sep, 00:494872g42754
News from Stan KFrank Reed19 Sep, 00:315029g42753
Re: Questions about Celestial NavigationFrank Reed19 Sep, 00:167161g42752
Re: Questions about Celestial NavigationGary LaPook18 Sep, 21:468920g42751
Re: Questions about Celestial NavigationJohn D. Howard18 Sep, 19:243324g42750
Re: Questions about Celestial NavigationRobert VanderPol II18 Sep, 16:435016g42749
Re: Questions about Celestial NavigationJohn D. Howard18 Sep, 16:153451g42748
Re: Unexpected USNO height correction preceptsAndrés Ruiz18 Sep, 14:58422641g42747
Re: Questions about Celestial NavigationBrad Morris18 Sep, 14:4415493g42746
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep, 14:288546g42745
Re: Questions about Celestial NavigationFrancis Upchurch18 Sep, 10:566594g42744
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook18 Sep, 10:242213g42743
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep, 05:4520483g42742
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep, 03:3618686g42741
Re: John Wesley Powell's 1869 Lunar Observations from Grand CanyonFrank Reed18 Sep, 00:455165g42740
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed17 Sep, 20:567501g42739
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris17 Sep, 19:4014275g42738
John Wesley Powell's 1869 Lunar Observations from Grand CanyonStephen M Kerst17 Sep, 18:582971g42737
Unexpected USNO height correction preceptsAntoine Couëtte17 Sep, 15:228517g42736
Re: Questions about Celestial NavigationDerrick Young16 Sep, 18:4810615g42735
Re: Questions about Celestial NavigationBruce Cutting16 Sep, 16:564371g42734
Re: Questions about Celestial NavigationMeg Wilson16 Sep, 10:532985g42733
Re: King's Point US Merchant Marine AdFrank Atkins15 Sep, 06:521549g42732
Re: King's Point US Merchant Marine AdJeremy C15 Sep, 06:282835g42731
Re: Questions about Celestial NavigationFrank Reed15 Sep, 04:102177g42730
Re: French Nautical Almanac for the year 1819Frank Reed15 Sep, 04:051885g42729
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep, 17:565051g42728
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep, 03:484681g42727
Re: King's Point US Merchant Marine AdRobert VanderPol II14 Sep, 02:433832g42726
Re: King's Point US Merchant Marine AdBob Goethe13 Sep, 22:491976g42725
Re: Questions about Celestial NavigationBrad Morris13 Sep, 18:027241g42724
Re: King's Point US Merchant Marine AdFrancis Upchurch13 Sep, 18:003713g42723
Re: Celestial Tools V5.7.0Sam Lyness13 Sep, 17:397768g42722
King's Point US Merchant Marine AdJackson McDonald13 Sep, 15:171691g42721
Re: Celestial Tools V5.7.0Dave Walden13 Sep, 12:051476g42720
Re: French Nautical Almanac for the year 1819Frank Reed12 Sep, 23:072902g42719
Polynesian navigationPaul Hirose12 Sep, 19:102978g42718
Re: Questions about Celestial NavigationFrancis Upchurch12 Sep, 17:553573g42717
Celestial Tools V5.7.0Stan K12 Sep, 16:325830g42716
Re: All Haversine FixTony Oz12 Sep, 15:451457g42715
Re: Jan 1925 day change haunts us still...Robert Wyatt12 Sep, 14:403471g42714
Re: Questions about Celestial NavigationJohn D. Howard12 Sep, 14:191711g42713
Re: Questions about Celestial NavigationBrad Morris12 Sep, 13:5923412g42712
Re: GPS Selective AvailabilityRichard B. Langley12 Sep, 12:241609g42711
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley12 Sep, 12:141790g42710
GPS Selective AvailabilityDavid Pike12 Sep, 06:502076g42709
Re: Questions about Celestial NavigationGeoffrey Kolbe12 Sep, 05:507835g42708
Re: Is Celestial Navigation really a backup to GPS Navigation?Peter Monta12 Sep, 04:226407g42707
Jan 1925 day change haunts us still...Frank Reed12 Sep, 02:598660g42706
YouTube Short on Early NavigationGreg Rudzinski11 Sep, 22:101551g42705
Re: Questions about Celestial NavigationJeremy C11 Sep, 22:018718g42704
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C11 Sep, 21:275224g42703
WWV may be shut downKeith Sternberg11 Sep, 19:333179g42702
Re: Questions about Celestial NavigationJohn D. Howard11 Sep, 19:112074g42701
Re: Questions about Celestial NavigationDon Seltzer11 Sep, 18:484684g42700
Re: All Haversine FixGreg Rudzinski11 Sep, 18:401444g42699
Re: Questions about Celestial NavigationGreg Rudzinski11 Sep, 18:305977g42698
Re: Questions about Celestial NavigationChris Willmes11 Sep, 18:0820600g42697
Re: Questions about Celestial NavigationFrank Reed11 Sep, 17:356069g42696
Re: Questions about Celestial NavigationBob Goethe11 Sep, 17:281567g42695
Re: Questions about Celestial NavigationRobert VanderPol II11 Sep, 15:3017100g42694
All Haversine FixLars Bergman11 Sep, 13:572443g42693
Re: Questions about Celestial NavigationPeter Monta11 Sep, 10:5210529g42692
Re: Questions about Celestial NavigationFrank Atkins11 Sep, 06:011526g42691
Re: Is Celestial Navigation really a backup to GPS Navigation?Geoffrey Kolbe11 Sep, 05:512627g42690
Re: Questions about Celestial NavigationBrad Morris11 Sep, 03:0117436g42689
Questions about Celestial NavigationFrank Reed11 Sep, 00:494601g42688
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed11 Sep, 00:267226g42687
Re: Is Celestial Navigation really a backup to GPS Navigation?Roger W. Sinnott10 Sep, 23:538746g42686
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris10 Sep, 21:147788g42685
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep, 19:484842g42684
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedAntoine Couëtte10 Sep, 11:514812g42683
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C10 Sep, 09:313473g42682
Re: T Hav Doniol Sumner LOP ExampleHerman Dekker10 Sep, 06:232711g42681
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep, 05:235142g42680
Re: Uncommon navigational declination chart, 1850sGreg Rudzinski10 Sep, 00:261685g42679
Uncommon navigational declination chart, 1850sJackson McDonald9 Sep, 22:552094g42678
T Hav Doniol Sumner LOP ExampleGreg Rudzinski9 Sep, 17:581475g42677
French Nautical Almanac for the year 1819Frank Reed9 Sep, 17:272766g42676
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed9 Sep, 17:1910692g42675
Re: All Haversine Time SightTony Oz9 Sep, 07:531746g42674
Re: All Haversine Time SightTony Oz9 Sep, 07:461862g42673
Re: All Haversine Time SightBrian Walton9 Sep, 06:153266g42672
Re: All Haversine Time SightGreg Rudzinski8 Sep, 23:233305g42671
Re: All Haversine Time SightGreg Rudzinski8 Sep, 22:131717g42670
Re: All Haversine Time SightTony Oz8 Sep, 22:121663g42669
Re: All Haversine Time SightGreg Rudzinski8 Sep, 21:362360g42668
Re: All Haversine Time SightTony Oz8 Sep, 20:592688g42667
Re: Mapquest coordinatesBrad Morris8 Sep, 19:164397g42666
Re: All Haversine Time SightGreg Rudzinski8 Sep, 17:061887g42665
Mapquest coordinatesMike Burkes8 Sep, 15:311673g42664
All Haversine Time SightGreg Rudzinski7 Sep, 20:102288g42663
Re: GPS Anti Spoof appÖrjan Sandström7 Sep, 17:394377g42662
Is Celestial Navigation really a backup to GPS Navigation?Brad Morris6 Sep, 16:364606g42661
Re: GPS Anti Spoof appTony Oz6 Sep, 16:182114g42660
Re: Android Celestial Nav AppsAndrés Ruiz6 Sep, 04:474136g42659
Re: Android Celestial Nav AppsGreg Rudzinski6 Sep, 02:121643g42658
Re: Spotted a sextantMark Anthony Spinaze3 Sep, 09:271431g42657
Re: Space station sextant experimentRobert Pearson5 Sep, 17:533889g42656
Android Celestial Nav AppsMark Coady5 Sep, 16:583185g42655
Re: Space station sextant experimentDave Walden5 Sep, 11:191480g42654
Space station sextant experimentPaul Hirose5 Sep, 02:453614g42653
Re: Radio time signals disappearGene Vialle4 Sep, 20:341738g42652
Re: Radio time signals disappearGary LaPook4 Sep, 19:329771g42651
Re: Radio time signals disappearTony Oz4 Sep, 11:112637g42650
Re: Radio time signals disappearJeremy C4 Sep, 09:561569g42649
Re: Radio time signals disappearRobert VanderPol II4 Sep, 04:224282g42648
Re: Radio time signals disappearDavid Pike3 Sep, 22:265153g42647
Re: Bowditch, the New American Practical Navigator, First EditionFrank Reed3 Sep, 21:404545g42646
Re: A Lunar I wish I saw...Frank Reed3 Sep, 21:076258g42645
Bowditch, the New American Practical Navigator, First EditionJackson McDonald3 Sep, 21:066395g42644
Re: Radio time signals disappearGene Vialle3 Sep, 20:231757g42643
Re: A Lunar I wish I saw...Antoine Couëtte3 Sep, 15:532201g42642
A Lunar I wish I saw...Tony Oz3 Sep, 08:401988g42641
Navigation Spreadsheets in 2019Peter Hakel2 Sep, 22:402356g42640
Re: EU Backs Ending Daylight Saving TimeÖrjan Sandström2 Sep, 11:571687g42639
Re: EU Backs Ending Daylight Saving TimeDavid Pike1 Sep, 19:468365g42638
EU Backs Ending Daylight Saving TimeSean C1 Sep, 05:161740g42637
Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose29 Aug, 23:445313g42636
Re: Quiet Month for NavListFrank Atkins29 Aug, 10:103486g42635
Re: 1870s navigationGary LaPook29 Aug, 07:038287g42634
Re: Radio time signals disappearJohn D. Howard29 Aug, 01:412614g42633
Re: Radio time signals disappearRobert VanderPol II28 Aug, 23:473561g42632
Re: 1870s navigationFrank Reed28 Aug, 19:373755g42631
Re: Beginner's questionAndrés Ruiz28 Aug, 06:323673g42630
Re: Radio time signals disappearFrank Reed28 Aug, 02:025306g42629
Re: Radio time signals disappearSean C28 Aug, 01:222056g42628
Re: Radio time signals disappearEd Popko27 Aug, 22:161311g42627
Re: Radio time signals disappearMike Mayer27 Aug, 21:287219g42626
Re: Radio time signals disappearJohn D. Howard27 Aug, 19:271429g42625
Re: Radio time signals disappearBrad Morris27 Aug, 17:507066g42624
Re: Beginner's questionGreg Rudzinski27 Aug, 15:462459g42623
Re: Where in the world?Andrés Ruiz27 Aug, 12:526784781g42622
Re: Radio time signals disappearRoger W. Sinnott27 Aug, 09:385395g42621
Re: Beginner's questionMichael Bradley27 Aug, 09:081590g42620
Re: Beginner's questionDon Seltzer27 Aug, 02:565222g42619
Re: Beginner's questionMichael Bradley26 Aug, 23:193501g42618
Re: Where in the world?Hewitt Schlereth26 Aug, 20:586910g42617
Re: Beginner's questionGreg Rudzinski26 Aug, 20:132144g42616
Re: Where in the world?Örjan Sandström26 Aug, 19:591458g42615
Beginner's questionChris Allison26 Aug, 17:341848g42614
Re: Who is Where on the Globe?Frank Atkins26 Aug, 07:171911g42613
Re: Who is Where on the Globe?Geoffrey Kolbe26 Aug, 06:451890g42612
Re: Who is Where on the Globe?Frank Atkins26 Aug, 05:031364g42611
Re: Soviet navy emergency navigation manual (Pub.9049)Paul Dolkas26 Aug, 02:467860g42610
Re: Where in the world?Sean C26 Aug, 00:574804g42609
Re: Where in the world?Sean C26 Aug, 00:123732g42608
Re: Where in the world?Hewitt Schlereth25 Aug, 22:1916173g42607
Re: Where in the world?Sean C25 Aug, 00:479786g42606
Re: Where in the world?Ron Jones24 Aug, 00:2871223g42605
Re: Where in the world?Ron Jones23 Aug, 22:3545351g42604
Re: Where in the world?Frank Reed23 Aug, 18:152170g42603
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz23 Aug, 13:382976g42602
Re: Where in the world?Antoine Couëtte22 Aug, 13:052578g42601
Re: Where in the world?.Lars Bergman22 Aug, 10:132907g42600
Re: Where in the world?.Paul Bedel21 Aug, 20:453034g42599
Re: 1870s navigationGary LaPook21 Aug, 19:014432g42598
Re: Spotted a sextantFrank Reed21 Aug, 05:294332g42597
Re: Spotted a sextantFrank Reed21 Aug, 01:095110g42596
Re: Where in the world?Frank Reed20 Aug, 20:254794g42595
Where in the world?Ron Jones20 Aug, 19:2860786g42594
Re: Spotted a sextantDon Seltzer20 Aug, 16:214886g42593
Re: Spotted a sextantGreg Rudzinski20 Aug, 16:011643g42592
Re: Spotted a sextantFrancis Upchurch20 Aug, 07:123785g42591
Re: Spotted a sextantGeoffrey Kolbe20 Aug, 05:162024g42590
Re: Spotted a sextantFrank Reed20 Aug, 02:573765g42589
Re: Spotted a sextantBrad Morris20 Aug, 02:467936g42588
Re: Spotted a sextantMark Coady19 Aug, 21:142200g42587
Re: Spotted a sextantGreg Rudzinski19 Aug, 19:121746g42586
Spotted a sextantFrank Reed19 Aug, 18:531648g42585
My New ToySean C19 Aug, 05:007134g42584
Re: The "bris" and Moon LoP?Sean C19 Aug, 04:011694g42583
Re: Time and frequency from electrical power linesFrank Reed19 Aug, 02:005215g42582
Re: Does anyone know what this is?Frank Reed19 Aug, 01:363834g42581
Re: The "bris" and Moon LoP?Greg Rudzinski18 Aug, 22:183321g42580
Re: The "bris" and Moon LoP?Frank Reed18 Aug, 21:205826g42579
Re: Who is Where on the Globe?Mark Coady18 Aug, 01:492028g42578
Re: Time and frequency from electrical power linesRoger W. Sinnott17 Aug, 22:2910325g42577
Re: Does anyone know what this is?Brad Morris17 Aug, 18:105763g42576
Re: The "bris" and Moon LoP?Greg Rudzinski17 Aug, 15:223581g42575
Re: Who is Where on the Globe?Robert VanderPol II17 Aug, 12:285180g42574
Re: The "bris" and Moon LoP?Tony Oz17 Aug, 11:313098g42573
Re: Does anyone know what this is?David Pike17 Aug, 10:492705g42572
Re: Does anyone know what this is?David Pike17 Aug, 08:162997g42571
Does anyone know what this is?Doug MacPherson17 Aug, 04:281646g42570
Re: Who is Where on the Globe?Sean C17 Aug, 03:541290g42569
Re: Who is Where on the Globe?Frank Reed17 Aug, 01:392038g42568
Re: Who is Where on the Globe?Robert VanderPol II17 Aug, 01:004653g42567
Re: The "bris" and Moon LoP?Greg Rudzinski16 Aug, 22:587705g42566
Navigation Presentation in NYC, Sep. 15Frank Reed16 Aug, 19:501996g42565
Re: The "bris" and Moon LoP?Frank Reed16 Aug, 17:156150g42564
"Bris" calibration: to Hc vs to Hs. Accuracy?Tony Oz16 Aug, 16:423669g42563
Re: ADMIN: NavList Operations contributionsFrank Reed16 Aug, 16:133658g42562
Re: Who is Where on the Globe?Frank Reed16 Aug, 03:248212g42561
Re: Who is Where on the Globe?Gerald van Wilgen16 Aug, 02:331886g42560
Re: Who is Where on the Globe?Brad Morris15 Aug, 21:575457g42559
Re: The "bris" and Moon LoP?Greg Rudzinski15 Aug, 15:271598g42558
Re: The "bris" and Moon LoP?Tony Oz15 Aug, 09:052779g42557
Re: Who is Where on the Globe?Tony Oz15 Aug, 08:541766g42556
Re: Who is Where on the Globe?David Pike15 Aug, 06:202207g42555
Re: Death to the Mercator ProjectionSean C15 Aug, 05:361642g42554
Re: Who is Where on the Globe?Herman Dekker15 Aug, 03:312048g42553
Re: Death to the Mercator ProjectionFrank Reed15 Aug, 03:288624g42552
Re: Death to the Mercator ProjectionDavid C15 Aug, 02:555376g42551
Re: Death to the Mercator ProjectionDavid C15 Aug, 02:267104g42550
Re: Who is Where on the Globe?John D. Howard15 Aug, 01:101398g42549
Who is Where on the Globe?Herman Dekker15 Aug, 00:412168g42548
ADMIN: NavList Operations contributionsFrank Reed14 Aug, 23:293761g42547
Time and frequency from electrical power linesPaul Hirose14 Aug, 22:034895g42546
Re: Radio time signals disappearPaul Hirose14 Aug, 21:506116g42545
Re: Death to the Mercator ProjectionFrank Reed14 Aug, 20:2818686g42544
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug, 17:461798g42543
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug, 17:021494g42542
Re: Radio time signals disappearTony Oz14 Aug, 16:023145g42541
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug, 16:011786g42540
Equal Earth Map ProjectionGary Chambers14 Aug, 11:371353g42539
Re: Death to the Mercator ProjectionDavid Pike14 Aug, 10:352130g42538
Re: Radio time signals disappearBill Lionheart14 Aug, 10:274538g42537
The "bris" and Moon LoP?Tony Oz14 Aug, 10:272741g42536
Re: Death to the Mercator ProjectionDavid Pike14 Aug, 09:318332g42535
Re: Radio time signals disappearSean C14 Aug, 04:572193g42534
Re: Practical Radar PlottingJohn D. Howard14 Aug, 04:012606g42533
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug, 03:481945g42532
Re: Radio time signals disappearMike Mayer14 Aug, 00:207942g42531
Practical Radar PlottingMark Coady13 Aug, 18:524836g42530
Re: Death to the Mercator ProjectionDavid Pike13 Aug, 08:3810493g42529
Re: Radio time signals disappearSean C13 Aug, 05:482666g42528
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug, 15:414300g42527
Re: Death to the Mercator ProjectionTom Sult12 Aug, 14:366476g42526
Re: Death to the Mercator ProjectionMark Coady12 Aug, 02:363583g42525
Re: Nautical AlmanacGary LaPook12 Aug, 02:031831g42524
Re: Nautical AlmanacSean C12 Aug, 00:523654g42523
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug, 00:301554g42522
Re: Death to the Mercator ProjectionTracy Shrier11 Aug, 23:431996g42521
Re: Nautical AlmanacPaul Hirose11 Aug, 23:403855g42520
Re: Radio time signals disappearPaul Hirose11 Aug, 22:593786g42519
Re: Nautical AlmanacMike Burkes11 Aug, 19:461471g42518
Re: Nautical AlmanacJean-Philippe Planas11 Aug, 11:0812926g42517
Re: Nautical AlmanacSean C11 Aug, 06:254912g42516
Re: Nautical AlmanacRobert VanderPol II11 Aug, 02:281666g42515
Re: Nautical AlmanacAlan S10 Aug, 22:101373g42514
Nautical AlmanacMike Burkes10 Aug, 19:281412g42513
Death to the Mercator ProjectionFrank Reed10 Aug, 02:425212g42512
Re: Radio time signals disappearRichard Easton9 Aug, 18:041844g42511
Re: 1870s navigationFrank Reed9 Aug, 15:512890g42510
Re: 1870s navigationGary LaPook9 Aug, 06:532690g42509
Re: Radio time signals disappearFrank Reed8 Aug, 23:574938g42508
Re: Radio time signals disappearHerbert Prinz8 Aug, 23:412362g42507
Re: Radio time signals disappearRobert Wyatt8 Aug, 17:045634g42506
Re: Radio time signals disappearFrancis Upchurch8 Aug, 14:091846g42505
Re: Radio time signals disappearRichard B. Langley8 Aug, 12:593039g42504
Re: Radio time signals disappearGeoffrey Kolbe8 Aug, 05:282256g42503
Re: 1870s navigationGreg Rudzinski7 Aug, 20:552463g42502
Re: 1870s navigationGary LaPook7 Aug, 17:271295g42501
Re: 1870s navigationGary LaPook7 Aug, 17:2613212g42500
Re: It's four-planet fix time...Antoine Couëtte7 Aug, 17:224652g42499
Radio time signals disappearHerman Dekker7 Aug, 16:392418g42498
Re: 1870s navigationGreg Rudzinski6 Aug, 19:221773g42497
Re: 1870s navigationAlexandre Eremenko6 Aug, 17:185557g42496
Re: 1870s navigationFrank Reed6 Aug, 15:348058g42495
1870s navigationHarry Lewis6 Aug, 12:095436g42494
Re: Gnomonic charts and distancesTony Oz6 Aug, 09:563171g42493
Re: It's four-planet fix time...Antoine Couëtte6 Aug, 04:152387g42492
Re: It's four-planet fix time...Greg Rudzinski5 Aug, 18:172063g42491
Re: It's four-planet fix time...Lu Abel5 Aug, 17:217434g42490
Re: It's four-planet fix time...Antoine Couëtte5 Aug, 16:212929g42489
Re: It's four-planet fix time...Greg Rudzinski4 Aug, 23:511797g42488
Re: It's four-planet fix time...Bruce Cutting4 Aug, 23:123784g42487
Re: It's four-planet fix time...Derrick Young4 Aug, 23:005721g42486
Re: It's four-planet fix time...Greg Rudzinski4 Aug, 17:151711g42485
Re: It's four-planet fix time...Greg Rudzinski3 Aug, 18:151531g42484
Bris Sextant ProjectsGreg Rudzinski3 Aug, 17:553160g42483
It's four-planet fix time...Frank Reed3 Aug, 17:432753g42482
Re: "Horns" of the Moon are relatively horizontal?Frank Reed1 Aug, 17:594780g42481
Re: "Horns" of the Moon are relatively horizontal?Tony Oz1 Aug, 13:152423g42480
GNSS launchesFrank Reed31 Jul, 17:221826g42479
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul, 15:442521g42478
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul, 12:563278g42477
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul, 09:032031g42476
Re: François Coudraye, anyone?Frank Reed31 Jul, 02:5310370g42475
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul, 02:212526g42474
Re: "Horns" of the Moon are relatively horizontal?Herman Dekker31 Jul, 02:072103g42473
Re: François Coudraye, anyone?Marcel Tschudin30 Jul, 20:4011171g42472
Re: Longitude Without Time - 1977 Luce ArticleFrancis Upchurch30 Jul, 20:1610680g42471
Re: François Coudraye, anyone?Murray Peake30 Jul, 20:074307g42470
Re: François Coudraye, anyone?Marcel Tschudin30 Jul, 19:559926g42469
Re: François Coudraye, anyone?Murray Peake30 Jul, 19:4112258g42468
Re: François Coudraye, anyone?Murray Peake30 Jul, 19:3411246g42467
Re: "Horns" of the Moon are relatively horizontal?Tony Oz30 Jul, 17:131828g42466
Re: "Horns" of the Moon are relatively horizontal?Geoffrey Kolbe30 Jul, 17:111923g42465
François Coudraye, anyone?Roger W. Sinnott30 Jul, 16:5010397g42464
Re: "Horns" of the Moon are relatively horizontal?Robert Wyatt30 Jul, 16:045381g42463
Re: Celestial navigation and the spherical EarthMark Coady30 Jul, 13:094478g42462
"Horns" of the Moon are relatively horizontal?Herman Dekker30 Jul, 08:161882g42461
Re: Celestial navigation and the spherical EarthBrian Walton30 Jul, 07:312323g42460
Celestial navigation and the spherical EarthFrank Reed30 Jul, 05:3615237g42459
Re: Longitude Without Time - 1977 Luce ArticleFrank Reed30 Jul, 04:4515940g42458
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul, 18:452155g42457
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul, 14:049651g42456
Re: Traditional navigation by slide ruleGary LaPook28 Jul, 23:111332g42455
Longitude Without Time - 1977 Luce ArticleHewitt Schlereth28 Jul, 21:251885g42454
Re: How to See Mars OppositionFrank Reed27 Jul, 18:246499g42453
Re: How to See Mars OppositionDave Walden27 Jul, 17:191543g42452
Re: Origins of civilian use of GPSRichard B. Langley27 Jul, 12:013471g42451
How to See Mars OppositionJackson McDonald27 Jul, 01:432111g42450
Re: How close without a good Lunar?Hewitt Schlereth27 Jul, 00:144157g42449
Re: Traditional navigation by slide ruleAlan S26 Jul, 21:202097g42448
Re: Longest total lunar eclipse in the 21st centuryBrad Morris26 Jul, 19:575131g42447
Re: How close without a good Lunar?Francis Upchurch26 Jul, 19:134499g42446
Re: Origins of civilian use of GPSRichard Easton26 Jul, 19:0412575g42445
Re: Origins of civilian use of GPSRichard Easton26 Jul, 18:574064g42444
Re: How close without a good Lunar?Hewitt Schlereth26 Jul, 14:136837g42443
Longest total lunar eclipse in the 21st centuryAndrés Ruiz26 Jul, 05:483444g42442
Re: How close without a good Lunar?Greg Rudzinski25 Jul, 22:052599g42441
Re: How close without a good Lunar?Brad Morris25 Jul, 20:1515154g42440
Re: How close without a good Lunar?Francis Upchurch25 Jul, 15:392304g42439
Re: How close without a good Lunar?Francis Upchurch25 Jul, 13:04589565g42438
Re: How close without a good Lunar?Herbert Prinz25 Jul, 07:514242g42437
Re: How close without a good Lunar?Andrés Ruiz25 Jul, 07:391266629g42436
Re: How close without a good Lunar?Peter Monta25 Jul, 06:585936g42435
Re: How close without a good Lunar?Francis Upchurch24 Jul, 16:232456g42434
Re: How close without a good Lunar?Robert VanderPol II24 Jul, 13:083098g42433
Re: How close without a good Lunar?Francis Upchurch24 Jul, 09:393505g42432
Re: Tips and tricks: angle normalisationTony Oz24 Jul, 08:181480g42431
Re: How close without a good Lunar?Greg Rudzinski24 Jul, 04:512565g42430
How close without a good Lunar?Mark Coady24 Jul, 02:395661g42429
Re: Origins of civilian use of GPSLu Abel23 Jul, 21:482376g42428
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul, 21:014192g42427
Re: Origins of civilian use of GPSFrank Reed23 Jul, 18:484749g42426
Re: Tips and tricks: angle normalisationFrank Reed23 Jul, 18:134501g42425
Lunar parallax via photographyPeter Monta23 Jul, 18:103983g42424
Tips and tricks: angle normalisationTony Oz23 Jul, 15:442610g42423
Re: Origins of civilian use of GPSJoe Dempster23 Jul, 10:359264g42422
Re: Origins of civilian use of GPSGary LaPook23 Jul, 05:501384g42421
Re: Origins of civilian use of GPSFrank Reed23 Jul, 03:273425g42420
GGR: a dozen still racingFrank Reed23 Jul, 02:361505g42419
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul, 01:106119g42418
Re: Did transistors transform celestial navigation?Frank Reed22 Jul, 23:484680g42417
Re: Origins of civilian use of GPSFrank Reed22 Jul, 23:194271g42416
Re: Origins of civilian use of GPSFrank Reed22 Jul, 21:358603g42415
Re: Mid-Atlantic broadbandBill B22 Jul, 20:062969g42414
Mid-Atlantic broadbandFrank Reed22 Jul, 19:532791g42413
Re: How to calculate location of the Earth on the moon (lunar eclipses)?David Fleming21 Jul, 17:141701g42412
Re: The Moon on Moon DayFrank Reed20 Jul, 23:501448g42411
The Moon on Moon DayFrank Reed20 Jul, 23:152595g42410
How to calculate location of the Earth on the moon (lunar eclipses)?Ziad Anas20 Jul, 22:571613g42409
Windows 10 will get better at telling time with new leap second supportAndrés Ruiz20 Jul, 06:164115g42408
Re: Better/easier GHA(Aries) formula?Frank Reed20 Jul, 05:593842g42407
Re: Better/easier GHA(Aries) formula?Sean C20 Jul, 05:543203g42406
Re: Better/easier GHA(Aries) formula?Tony Oz19 Jul, 15:011748g42405
Re: Chart Plotting Pencil LeadsGreg Rudzinski19 Jul, 02:461996g42404
Re: Chart Plotting Pencil LeadsWilliam Edward Henry19 Jul, 01:051577g42403
Re: Bowditch 1802 - First editionSam Lyness19 Jul, 00:175899g42402
Re: Chart Plotting Pencil LeadsAlan S19 Jul, 00:022296g42401
Re: Did transistors transform celestial navigation?David C18 Jul, 22:442900g42400
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul, 11:121497g42399
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul, 08:151949g42398
Re: Better/easier GHA(Aries) formula?Gary LaPook18 Jul, 06:479056g42397
Re: Did transistors transform celestial navigation?Geoffrey Kolbe18 Jul, 06:443151g42396
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul, 23:105887g42395
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul, 22:5410898g42394
Re: Better/easier GHA(Aries) formula?Sean C17 Jul, 22:251532g42393
Re: Better/easier GHA(Aries) formula?Frank Reed17 Jul, 18:295034g42392
Better/easier GHA(Aries) formula?Tony Oz17 Jul, 11:164313g42391
Re: Venus Moon CPA TonightDavid Smith17 Jul, 10:151659g42390
Re: What is this Slide Rule?David C17 Jul, 02:071694g42389
Re: Shiny and golden? It's not a real sextantFrank Reed16 Jul, 16:529460g42388
Re: Shiny and golden? It's not a real sextantJim Hickey16 Jul, 14:391856g42387
Re: Venus Moon CPA TonightEd Popko16 Jul, 09:561322g42386
Venus Moon CPA TonightGreg Rudzinski16 Jul, 03:561846g42385
Bowditch 1802 - First editionJackson McDonald15 Jul, 22:458028g42384
Re: Shiny and golden? It's not a real sextantNorm Goldblatt15 Jul, 20:562706g42383
Re: What is this Slide Rule?Francis Upchurch15 Jul, 19:273921g42382
Re: Shiny and golden? It's not a real sextantEd Popko15 Jul, 19:072518g42381
Re: What is this Slide Rule?Francis Upchurch15 Jul, 18:541377g42380
Shiny and golden? It's not a real sextantFrank Reed15 Jul, 18:483285g42379
Re: What is this Slide Rule?Frank Reed15 Jul, 18:372751g42378
Re: What is this Slide Rule?Francis Upchurch15 Jul, 18:191553g42377
Re: What is this Slide Rule?Noell Wilson15 Jul, 14:442926g42376
19th century navigation time systemsEd Popko15 Jul, 07:015478g42375
Re: What is this Slide Rule?Francis Upchurch15 Jul, 05:013973g42374
Re: What is this Slide Rule?Greg Rudzinski15 Jul, 03:451857g42373
What is this Slide Rule?David C15 Jul, 02:543619g42372
Re: Did transistors transform celestial navigation?David Pike14 Jul, 21:595358g42371
Re: Did transistors transform celestial navigation?Ed Popko14 Jul, 15:492341g42370
Re: Did transistors transform celestial navigation?John D. Howard14 Jul, 14:152652g42369
Re: Reading degrees on a sextantEd Popko14 Jul, 11:122821g42368
Re: Reading degrees on a sextantMichael Bradley14 Jul, 10:081683g42367
Re: Did transistors transform celestial navigation?David C14 Jul, 09:184552g42366
Re: Did transistors transform celestial navigation?Wolfgang Köberer14 Jul, 09:1070071g42365
Re: Did transistors transform celestial navigation?Alexandre Eremenko14 Jul, 08:0317321g42364
Re: Did transistors transform celestial navigation?Francis Upchurch14 Jul, 05:113490g42363
Re: Did transistors transform celestial navigation?Mark Coady14 Jul, 03:184470g42362
Did transistors transform celestial navigation?Frank Reed14 Jul, 00:2131694g42361
Reading degrees on a sextantFrank Reed13 Jul, 22:423814g42360
Re: Repair for John Carter Chronometer Cornhill 738 circa 1862Barry Carter11 Jul, 13:571530g42359
Re: Sextant in Avro VulcanDavid Pike11 Jul, 09:098576g42358
Re: Sextant in Avro VulcanCharles McElhill10 Jul, 20:581758g42357
Sextant in Avro VulcanFrank Reed10 Jul, 00:082609g42356
Re: Meridian-anchored Noon SunPaul Hughes9 Jul, 17:431466g42355
Re: Meridian-anchored Noon SunPeter Monta9 Jul, 17:384726g42354
Re: Meridian-anchored Noon SunDavid Fleming8 Jul, 20:182707g42353
Re: Meridian-anchored Noon SunPeter Monta8 Jul, 15:594520g42352
Repair for John Carter Chronometer Cornhill 738 circa 1862Ron Legacy7 Jul, 19:271641g42351
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Tracy Shrier7 Jul, 16:532980g42350
Re: Negative v correctionTerry Syrokosz6 Jul, 23:381977g42349
Re: Origins of civilian use of GPSPeter Monta6 Jul, 15:585001g42348
Re: Negative v correctionStan K5 Jul, 20:01394510g42347
Re: Negative v correctionGary LaPook5 Jul, 19:181793g42346
Re: Negative v correctionTerry Syrokosz5 Jul, 17:131731g42345
Re: Negative v correctionTerry Syrokosz5 Jul, 17:051770g42344
Re: Negative v correctionStan K5 Jul, 15:584939g42343
Negative v correctionTerry Syrokosz5 Jul, 15:002082g42342
Re: Origins of civilian use of GPSRichard B. Langley5 Jul, 13:292422g42341
Origins of civilian use of GPSRichard Easton4 Jul, 22:421728g42340
Re: Starting a poem for Lunars & a new wobbly sight platform.Ed Popko4 Jul, 10:052801g42339
Re: Golden Globe Race 2018 startDavid C4 Jul, 07:371857g42338
Re: Year USNO launched Celestial Navigation Data webpageDavid C4 Jul, 07:222100g42337
Re: Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul, 04:131445g42336
Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul, 03:296720g42335
Re: Year USNO launched Celestial Navigation Data webpageGary LaPook3 Jul, 00:481520g42334
Re: Year USNO launched Celestial Navigation Data webpageFrank Reed2 Jul, 23:064838g42333
Year USNO launched Celestial Navigation Data webpageEd Popko2 Jul, 21:352637g42332
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Bob Peterson1 Jul, 16:582835g42331
Re: Golden Globe Race 2018 startTom Sult1 Jul, 16:314192g42330
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Alejandro Purgue1 Jul, 16:087466g42329
Re: Golden Globe Race 2018 startGreg Rudzinski1 Jul, 16:081544g42328
Golden Globe Race 2018 startLuc Van den Borre1 Jul, 14:071515g42327
Re: Camera Bris Sextant ExerciseGreg Rudzinski30 Jun, 21:174208g42326
Re: What Three Words at seaGary LaPook30 Jun, 19:582505g42325
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?John Tygart30 Jun, 14:373571g42324
Re: What Three Words at seaEd Popko30 Jun, 11:483832g42323
Re: What Three Words at seaBill Lionheart30 Jun, 09:132665212g42322
Re: What Three Words at seaFrank Reed30 Jun, 08:076722g42321
Re: What Three Words at seaDavid C30 Jun, 03:041850g42320
Re: The "Tables Requisite" (1781) on eBayFrank Reed30 Jun, 02:152760g42319
Re: What Three Words at seaFrank Reed29 Jun, 23:2411557g42318
Re: What Three Words at seaBill Lionheart29 Jun, 20:083505g42317
Re: What Three Words at seaGreg Rudzinski29 Jun, 18:511699g42316
Re: What Three Words at seaSean C29 Jun, 02:072378g42315
Re: What Three Words at seaRobert VanderPol II29 Jun, 01:541272g42314
What Three Words at seaBill B28 Jun, 20:101360g42313
Re: Time standard for the Space StationDon Seltzer28 Jun, 17:104382g42312
Re: Time standard for the Space StationJohn D. Howard28 Jun, 15:161606g42311
Re: Time standard for the Space StationMike Mayer28 Jun, 11:5712134g42310
Re: Time standard for the Space StationFrank Reed28 Jun, 03:275622g42309
Re: Longitude Sight, South Pacific, 1864 - RevisitedHenry Halboth28 Jun, 02:335145g42308
Meridian-anchored Noon SunFrank Reed28 Jun, 02:236820g42307
Re: Time standard for the Space StationPaul Dolkas28 Jun, 00:5214285g42306
Re: Camera Bris Sextant ExerciseGreg Rudzinski27 Jun, 23:342094g42305
Re: Time standard for the Space StationFrank Reed27 Jun, 19:437220g42304
Time standard for the Space StationPaul Dolkas27 Jun, 18:163094g42303
Re: Longitude Sight, South Pacific, 1864 - RevisitedEd Popko27 Jun, 10:532046g42302
Re: Camera Bris Sextant ExercisePeter Monta27 Jun, 06:406669g42301
Longitude Sight, South Pacific, 1864 - RevisitrdHenry Halboth27 Jun, 01:3341957g42300
Camera Bris Sextant ExerciseGreg Rudzinski26 Jun, 19:502942g42299
Bowditch's "Navigator" (1832) on eBayFrank Reed26 Jun, 02:153291g42298
The "Tables Requisite" (1781) on eBayFrank Reed26 Jun, 01:015826g42297
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun, 23:581559g42296
Re: Flat Bygrave alternative configurationRobin Stuart25 Jun, 17:331632g42295
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun, 17:141682g42294
Re: Gary LaPooks Flat BygraveRobin Stuart25 Jun, 15:182108g42293
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun, 07:301713g42292
Gary LaPooks Flat BygraveAlan S25 Jun, 00:411230g42291
Re: Where was the solstice?Paul Hirose23 Jun, 20:243940g42290
Re: Status Report on Navigator's Slide RuleSean Johnston22 Jun, 20:374368g42289
Possible email message malwareFrank Reed22 Jun, 17:542858g42288
Re: Where was the solstice?Geoffrey Kolbe22 Jun, 06:292372g42287
Re: Determining refraction in 19th CenturyEd Popko22 Jun, 00:252741g42286
Re: Status Report on Navigator's Slide RuleBob Goethe21 Jun, 23:483158g42285
Re: Where was the solstice?Bill B21 Jun, 20:533444g42284
Re: Where was the solstice?Antoine Couëtte21 Jun, 19:343674g42283
Re: Status Report on Navigator's Slide RuleSean Johnston21 Jun, 14:533500g42282
Re: Where was the solstice?John D. Howard21 Jun, 14:461565g42281
Re: Determining refraction in 19th CenturyBruce J. Pennino21 Jun, 13:123989g42280
Where was the solstice?Frank Reed21 Jun, 13:041519g42279
Determining refraction in 19th CenturyEd Popko21 Jun, 10:3749938g42278
The Astrograph ExplainedDavid Pike20 Jun, 18:414071g42277
Re: Which Nav-Station is this?David Pike20 Jun, 18:106303g42276
Re: Which Nav-Station is this?Paul Hirose20 Jun, 17:448775g42275
Re: Which Nav-Station is this?John D. Howard20 Jun, 16:211689g42274
Re: Which Nav-Station is this?David Pike20 Jun, 08:582535g42273
Re: Which Nav-Station is this?John D. Howard19 Jun, 22:001462g42272
Re: Which Nav-Station is this?John D. Howard19 Jun, 20:161713g42271
Re: Shadows on Google Maps Satellite PhotographsDavid Pike18 Jun, 09:551618g42270
Which Nav-Station is this?David Pike18 Jun, 08:243783g42269
Re: Kollsman sextant with MOUNT now on ebay.Jacob M. Huffman III17 Jun, 22:5214575g42268
Re: Kollsman sextant with MOUNT now on ebay.David Pike17 Jun, 21:1111776g42267
Re: Bubble sextant patentsRobert Eno17 Jun, 17:397374g42266
Re: Bubble sextant patentsGreg Rudzinski17 Jun, 17:141970g42265
Bubble sextant patentsEd Popko17 Jun, 11:092578g42264
Kollsman sextant with MOUNT now on ebay.Gary LaPook16 Jun, 22:382023g42263
Re: Lunar laser eye safetyPeter Monta15 Jun, 10:515985g42262
Lunar laser eye safetyPaul Hirose14 Jun, 23:544009g42261
Re: Shadows on Google Maps Satellite PhotographsSean C14 Jun, 23:063119g42260
Re: Hamilton 4992B GCT watch FSBill Morris14 Jun, 19:191528g42259
Re: Shadows on Google Maps Satellite PhotographsFrank Reed14 Jun, 18:377619g42258
Re: Hamilton 4992B GCT watch FSGreg Rudzinski14 Jun, 18:244659g42257
Shadows on Google Maps Satellite PhotographsDavid Pike14 Jun, 14:032670g42256
Hamilton 4992B GCT watch FSPaul Hirose14 Jun, 05:053064g42255
Re: A Ball Bearing in a dish as a referenceFrank Reed13 Jun, 21:134575g42254
Re: A Ball Bearing in a dish as a referenceBrad Morris13 Jun, 20:037601g42253
Low tech around the world raceGerald van Wilgen13 Jun, 17:121446g42252
Re: C Plath SextantGerald van Wilgen13 Jun, 17:081649g42251
Re: C Plath SextantRichard Libby13 Jun, 16:232956g42250
Re: Shortwave radio and the evolution of celestial navigationEd Popko13 Jun, 10:261660g42249
Re: A Ball Bearing in a dish as a referenceTony Oz13 Jun, 08:593790g42248
Re: Shortwave radio and the evolution of celestial navigationBob Goethe13 Jun, 08:5315398g42247
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun, 07:447467g42246
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun, 07:417730g42245
Re: Dip shortStan K13 Jun, 05:506050g42244
Re: Shortwave radio and the evolution of celestial navigationGeoffrey Kolbe13 Jun, 05:463020g42243
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun, 05:221916g42242
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun, 05:191355g42241
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun, 05:171641g42240
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth13 Jun, 01:44152674g42239
Re: Dip shortFrank Reed13 Jun, 01:356368g42238
Dip shortJackson McDonald13 Jun, 00:465502g42237
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun, 22:531643g42236
Another factor of ten for smartphone navigationFrank Reed12 Jun, 22:485188g42235
Re: Shortwave radio and the evolution of celestial navigationBill Lionheart12 Jun, 22:227661g42234
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun, 22:082008g42233
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth12 Jun, 21:0312767g42232
Re: Shortwave radio and the evolution of celestial navigationEd Popko12 Jun, 20:382293g42231
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch12 Jun, 20:086086g42230
Shortwave radio and the evolution of celestial navigationFrank Reed12 Jun, 19:004522g42229
Re: Movie AdriftHewitt Schlereth11 Jun, 22:1010006g42228
Re: Movie AdriftFrank Reed11 Jun, 15:416756g42227
Re: Movie AdriftEd Popko11 Jun, 10:191722g42226
Re: In memoriam: Yves Robin-JouanAndrés Ruiz11 Jun, 09:473554g42225
Re: Movie AdriftGary LaPook11 Jun, 04:321438g42224
Re: Movie AdriftPete Solon Palmer11 Jun, 02:465196g42223
Re: Movie AdriftFrank Reed10 Jun, 23:373320g42222
Movie AdriftGreg Rudzinski10 Jun, 23:221930g42221
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun, 18:435766g42220
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun, 18:212092g42219
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun, 18:112191g42218
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun, 16:293846g42217
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun, 15:172626g42216
Re: A Ball Bearing in a dish as a referenceBrad Morris10 Jun, 14:1412371g42215
Re: AwesomeBrad Morris10 Jun, 14:045022g42214
Re: Chronology of Celestial Navigation and Related TopicsFrancis Upchurch10 Jun, 11:213941g42213
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun, 13:572554g42212
Re: Chronology of Celestial Navigation and Related Topics (Update 1)Ed Popko10 Jun, 11:192478g42211
Re: Chronology of Celestial Navigation and Related TopicsBill Lionheart10 Jun, 08:589267g42210
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun, 07:017643g42209
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun, 06:418175g42208
Re: Chronology of Celestial Navigation and Related TopicsDavid C10 Jun, 03:044535g42207
Re: A Ball Bearing in a dish as a referencePaul Hirose10 Jun, 05:415828g42206
AwesomeGerald van Wilgen10 Jun, 01:261434g42205
Re: C Plath SextantEd Popko9 Jun, 19:112450g42204
Re: C Plath SextantFrank Reed9 Jun, 18:013586g42203
C Plath SextantRichard Libby9 Jun, 17:373701g42202
Re: Ebay kollsman periscope sextantsNoell Wilson9 Jun, 16:564246g42201
Re: Chronology of Celestial Navigation and Related TopicsEd Popko9 Jun, 09:291328g42200
Re: A Ball Bearing in a dish as a referencePeter Monta9 Jun, 07:365686g42199
Re: A Ball Bearing in a dish as a referencePaul Hirose9 Jun, 05:184422g42198
Re: Chronology of Celestial Navigation and Related TopicsBob Goethe8 Jun, 23:323352g42197
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski8 Jun, 21:062591g42196
In memoriam: Yves Robin-JouanFrank Reed8 Jun, 20:363747g42195
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsC Solo8 Jun, 19:021769g42194
Re: Ebay kollsman periscope sextantsNoell Wilson8 Jun, 16:212824g42193
BBC: Ship hack 'risks chaos in English Channel'Bob Goethe8 Jun, 17:556106g42192
Re: Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun, 14:252112g42191
Re: Chronology of Celestial Navigation and Related TopicsAntoine Couëtte8 Jun, 12:015829g42190
Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun, 10:575251g42189
Re: C. Plath optical instrumentLuc Van den Borre8 Jun, 07:1148689g42188
Re: C. Plath optical instrumentSean C8 Jun, 04:562464g42187
C. Plath optical instrumentFrank Reed8 Jun, 03:361830g42186
Precalculating LHA(t) for Fixed Angle ReflectorsGreg Rudzinski8 Jun, 01:342616g42185
Re: A Ball Bearing in a dish as a referencePaul Dolkas7 Jun, 17:0611498g42184
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun, 17:036788g42183
Re: Ebay kollsman periscope sextantsNoell Wilson7 Jun, 14:011875g42182
A Ball Bearing in a dish as a referenceDavid Pike7 Jun, 12:196970g42181
Re: Ebay kollsman periscope sextantsDavid Pike7 Jun, 07:553635g42180
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun, 01:00564923g42179
Re: Ebay kollsman periscope sextantsDavid Pike6 Jun, 15:036029g42178
Re: How height affects sun altitudeZiad Anas6 Jun, 09:281292g42177
Re: Beating a Dead Horse (aka Worsley's Sextant)Brad Morris6 Jun, 00:445590g42176
Re: How height affects sun altitudeGary LaPook5 Jun, 22:063139g42175
Re: How height affects sun altitudeZiad Anas5 Jun, 20:221890g42174
Re: Beating a Dead Horse (aka Worsley's Sextant)David Pike5 Jun, 20:102964g42173
Re: How height affects sun altitudeFrank Reed5 Jun, 18:444316g42172
Re: Ebay kollsman periscope sextantsPaul Dolkas5 Jun, 18:416065g42171
How height affects sun altitude‏Ziad Anas5 Jun, 11:231497g42170
Re: Ebay kollsman periscope sextantsDavid Pike5 Jun, 15:126136g42169
Re: Ebay kollsman periscope sextantsMerlijn Frijda5 Jun, 12:341936g42168
Re: Ebay kollsman periscope sextantsGary LaPook5 Jun, 07:5219782g42167
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun, 22:365043g42166
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun, 23:519077g42165
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun, 23:398697g42164
Re: Ebay kollsman periscope sextantsChris Caswell4 Jun, 22:342002g42163
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun, 20:262172g42162
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun, 18:3710562g42161
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun, 17:347867g42160
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun, 16:197287g42159
Re: Ebay kollsman periscope sextantsDavid Pike4 Jun, 13:153710g42158
Re: Stacked-mirror sextantPeter Monta4 Jun, 13:067973g42157
Ebay kollsman periscope sextantsMerlijn Frijda4 Jun, 00:233467g42156
Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski3 Jun, 17:241876g42155
Re: Stacked-mirror sextantGreg Rudzinski3 Jun, 16:392242g42154
Re: Stacked-mirror sextantTony Oz3 Jun, 11:261871g42153
Re: Latitude by two altitudes and the elapsed timeAndrés Ruiz3 Jun, 09:525948g42152
Re: Bris reflector and stacked Bris reflectorsGreg Rudzinski3 Jun, 00:352346g42151
Bris reflector and stacked Bris reflectorsBob Crawley2 Jun, 12:372927g42150
Practical Air Navigation (C&GS Special Publication 197)Paul Hirose2 Jun, 06:004374g42149
Re: Stacked-mirror sextantPeter Monta1 Jun, 23:165620g42148
Re: Boeing Clipper 1930sDavid C1 Jun, 22:403995g42147
Re: Latitude by two altitudes and the elapsed timeGeoffrey Kolbe1 Jun, 18:472300g42146
Re: Stacked-mirror sextantTony Oz1 Jun, 18:011831g42145
Re: Boeing Clipper 1930sEd Popko1 Jun, 15:584059g42144
Re: Boeing Clipper 1930sNoell Wilson1 Jun, 14:021845g42143
Re: Boeing Clipper 1930sJohn D. Howard1 Jun, 13:221994g42142
Re: Boeing Clipper 1930sBrad Morris1 Jun, 13:035234g42141
Re: Stacked-mirror sextantPeter Monta1 Jun, 12:58768147g42140
Re: Boeing Clipper 1930sEd Popko1 Jun, 12:297321g42139
Re: Boeing Clipper 1930sGeoffrey Kolbe1 Jun, 12:152163g42138
Re: Stacked-mirror sextantGreg Rudzinski1 Jun, 03:252892g42137
Boeing Clipper 1930sJackson McDonald31 May, 22:562004g42136
Re: Stacked-mirror sextantTony Oz31 May, 13:491607g42135
Latitude by two altitudes and the elapsed timeAndrés Ruiz31 May, 10:074099g42134
Stacked-mirror sextantPeter Monta31 May, 06:098979g42133
Celesticomp V completeBob Todd29 May, 17:381623g42132
Re: Lunar limb illumination when nearly full?Frank Reed28 May, 20:465544g42131
Re: Lunar limb illumination when nearly full?Paul Hughes28 May, 08:531449g42130
Lunar limb illumination when nearly full?Peter Monta28 May, 06:444029g42129
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser26 May, 18:132717g42128
Re: Time-sight time conventionsRoger W. Sinnott26 May, 17:386066g42127
Re: Time-sight time conventionsEd Popko25 May, 18:011564g42126
Re: Time-sight time conventionsJohn D. Howard25 May, 16:172028g42125
Re: Time-sight time conventionsEd Popko25 May, 14:522276g42124
Re: Time-sight time conventionsRoger W. Sinnott25 May, 13:3212351g42123
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz25 May, 13:022862g42122
Re: Time-sight time conventionsJohn D. Howard25 May, 11:204955g42121
Re: The American MeridianPeter Monta25 May, 04:123977g42120
Re: Cassens & Plath with DHI LabelRob Hansen24 May, 21:392398g42119
Re: Cassens & Plath with DHI LabelRob Hansen24 May, 19:501455g42118
Re: Cassens & Plath with DHI LabelLuc Van den Borre24 May, 19:49302304g42117
Re: (off-topic) Navigation and guidance automationPeter Smith24 May, 19:411699g42116
Re: Cassens & Plath with DHI LabelWolfgang Köberer24 May, 17:541947g42115
Cassens & Plath with DHI LabelRob Hansen24 May, 17:411655g42114
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser24 May, 13:402762g42113
New booksWolfgang Köberer24 May, 13:3025863g42112
Re: The American MeridianJohn D. Howard24 May, 11:513551g42111
Re: Survival SextantGreg Rudzinski24 May, 11:397154g42110
Re: Survival SextantPeter Monta24 May, 03:285049g42109
Re: The American MeridianPeter Monta24 May, 03:043699g42108
Re: The American MeridianFrank Reed24 May, 02:373149g42107
Re: The American MeridianDave Walden24 May, 01:551400g42106
Re: The American MeridianBruce J. Pennino23 May, 21:077591g42105
Re: Sextants in spaceBob Goethe23 May, 21:061463g42104
Re: Time-sight time conventionsEd Popko23 May, 20:598250g42103
Re: The American MeridianJackson McDonald23 May, 20:4011579g42102
Re: The American MeridianRobert VanderPol II23 May, 19:123868g42101
Re: The American MeridianRobert Wyatt23 May, 18:526753g42100
Re: The American MeridianPaul Hughes23 May, 18:324004g42099
The American MeridianJackson McDonald23 May, 17:442771g42098
Re: Sextants in spaceEd Popko23 May, 17:252291g42097
Fogging OpticsRob Hansen23 May, 14:372310g42096
Survival SextantGreg Rudzinski23 May, 14:172119g42095
Re: Sextants in spacePaul Dolkas23 May, 06:1431100g42094
Re: Time-sight time conventionsPaul Hirose23 May, 04:383388g42093
L'Hermione in PasajesAndrés Ruiz22 May, 19:24988062g42092
(off-topic) Navigation and guidance automationFrank Reed22 May, 18:513666g42091
Re: Sextants in spaceFrank Reed22 May, 17:4319638g42090
Re: Time-sight time conventionsFrank Reed22 May, 14:3510376g42089
Re: Time-sight time conventionsDon Seltzer22 May, 14:345724g42088
Re: Time-sight time conventionsEd Popko22 May, 11:422571g42087
Re: Time-sight time conventionsPaul Hirose22 May, 05:168613g42086
Re: Small booklet of EOT and DecPaul Hughes22 May, 04:471808g42085
Re: Longitude sight, South Pacific, 1864Henry Halboth22 May, 03:235170g42084
Re: Longitude sight, South Pacific, 1864Ed Popko22 May, 00:451891g42083
Re: Small booklet of EOT and DecJohn D. Howard21 May, 20:532380g42082
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May, 17:363532g42081
Re: Small booklet of EOT and DecFrank Reed21 May, 16:4452967g42080
Re: Small booklet of EOT and DecJohn D. Howard21 May, 16:383739g42079
Re: Small booklet of EOT and DecFrank Reed21 May, 16:184517g42078
Re: Small booklet of EOT and DecPaul Hughes21 May, 15:502171g42077
Re: Small booklet of EOT and DecTony Oz21 May, 15:171729g42076
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz21 May, 15:091549g42075
Re: Small booklet of EOT and DecGreg Rudzinski21 May, 13:087059g42074
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser21 May, 12:123179g42073
Small booklet of EOT and DecJohn D. Howard21 May, 11:353707g42072
Re: Longitude sight, South Pacific, 1864Frank Reed21 May, 05:2810881g42071
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May, 03:0710172g42070
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May, 03:062275g42069
Re: Time-sight time conventionsEd Popko20 May, 12:462440g42068
Re: Time-sight time conventionsPaul Hirose20 May, 07:054161g42067
Re: Longitude sight, South Pacific, 1864Ed Popko19 May, 18:542773g42066
Re: Sextants in spaceBrad Morris19 May, 14:166656g42065
Re: Sextants in spaceRobert VanderPol II19 May, 04:533972g42064
Re: Sextants in spacePaul Dolkas19 May, 00:5711591g42063
Re: Sextants in spacePaul Dolkas19 May, 00:2719550g42062
Re: Sextants in spaceGreg Rudzinski18 May, 21:121589g42061
Re: Sextants in spaceLuc Van den Borre18 May, 20:391434g42060
Re: Sextants in spaceFrank Reed18 May, 19:083311g42059
Re: Sextants in spaceFrank Reed18 May, 18:494034g42058
Re: Sextants in spaceFrank Reed18 May, 18:354775g42057
Re: Sextants in spaceGreg Rudzinski18 May, 18:201510g42056
Sextants in spacePaul Dolkas18 May, 17:432702g42055
Re: Links not workingSean C18 May, 06:251571g42054
Re: Longitude sight, South Pacific, 1864Sean C18 May, 05:413680g42053
Re: ESA vision of milky way.Peter Monta18 May, 02:584168g42052
Re: ESA vision of milky way.Peter Monta18 May, 02:324745g42051
Re: Time-sight time conventionsSean C18 May, 00:481660g42050
Re: 19th c Local and Greenwich Time ConventionsHenry Halboth17 May, 23:4214229g42049
Re: Time-sight time conventionsJohn D. Howard17 May, 23:201794g42048
Re: Longitude sight, South Pacific, 1864Henry Halboth17 May, 23:133634g42047
Re: ESA vision of milky way.Frank Reed17 May, 19:324396g42046
ESA vision of milky way.Francis Upchurch17 May, 19:091876g42045
Sun over the VolcanoFrank Reed17 May, 18:252227g42044
Time-sight time conventionsEd Popko17 May, 18:115766g42043
Re: Longitude sight, South Pacific, 1864Charles McElhill17 May, 00:401951g42042
Re: Longitude sight, South Pacific, 1864Brad Morris17 May, 00:095978g42041
Re: Longitude sight, South Pacific, 1864Charles McElhill16 May, 23:241711g42040
Re: Longitude sight, South Pacific, 1864Ed Popko16 May, 21:482162g42039
Re: Longitude sight, South Pacific, 1864Frank Reed16 May, 21:225853g42038
Re: Longitude sight, South Pacific, 1864Frank Reed16 May, 01:364050g42037
Re: Longitude sight, South Pacific, 1864Ed Popko16 May, 00:213593g42036
Re: Buoyage in BermudaFrank Reed15 May, 20:128093g42035
Re: Longitude sight, South Pacific, 1864Frank Reed15 May, 20:111730g42034
Re: Longitude sight, South Pacific, 1864Ed Popko15 May, 20:052553g42033
Re: 19th c Local and Greenwich Time ConventionsFrank Reed15 May, 19:0411001g42032
19th c Local and Greenwich Time ConventionsEd Popko15 May, 12:482562g42031
Re: Buoyage in BermudaAndrés Ruiz15 May, 08:34729542g42030
Re: Longitude sight, South Pacific, 1864Ed Popko14 May, 20:312830g42029
Buoyage in BermudaLu Abel14 May, 19:123676g42028
Re: Longitude sight, South Pacific, 1864Frank Reed14 May, 18:446204g42027
Re: Longitude sight, South Pacific, 1864Ed Popko14 May, 17:512891g42026
Re: Moon HP and Earth SDTony Oz14 May, 13:031857g42025
Re: Moon HP and Earth SDmax mulhern14 May, 11:261565g42024
Re: Longitude sight, South Pacific, 1864Ed Popko14 May, 11:071736g42023
Re: Longitude sight, South Pacific, 1864Michael Bradley14 May, 07:491567g42022
Re: Longitude sight, South Pacific, 1864Frank Reed14 May, 02:212307g42021
Re: Longitude sight, South Pacific, 1864Frank Reed14 May, 02:126014g42020
Re: Ganymede through a 30*6 scope?Bill Gray14 May, 02:063352g42019
Re: Ganimede through a 30*6 scope?Frank Reed13 May, 20:327202g42018
Re: Moon HP and Earth SDLars Bergman13 May, 20:252678g42017
Re: Moon HP and Earth SDLars Bergman13 May, 18:364745g42016
Ganimede through a 30*6 scope?Tony Oz13 May, 08:342364g42015
Moon HP and Earth SDFrank Reed13 May, 01:334513g42014
Re: Longitude sight, South Pacific, 1864Ed Popko12 May, 21:014108g42013
Re: My lunar distance tables online...Ken Muldrew12 May, 15:597216g42012
Re: My lunar distance tables online...Tony Oz12 May, 11:451881g42011
Robin Knox-Johnston: The first man to sail non-stop solo around the worldEd Popko12 May, 11:282388g42010
Re: Navigating with GPS, opticallyPeter Monta12 May, 06:169925g42009
Re: Navigating with GPS, opticallyBill Gray11 May, 23:253742g42008
My lunar distance tables online...Frank Reed11 May, 20:093418g42007
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz11 May, 13:581908g42006
Re: For which celestial bodies is it relevant to display the lunar distance?Andrés Ruiz11 May, 10:31762146g42005
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser11 May, 09:432397g42004
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook11 May, 06:041722g42003
Re: Time sight DurationHenry Halboth11 May, 05:364831g42002
Re: Use of Marine Sextants in AircraftFred Hebard11 May, 01:0310500g42001
Re: Longitude sight, South Pacific, 1864Ed Popko10 May, 23:431424g42000
Re: Longitude sight, South Pacific, 1864Antonio Sauci10 May, 19:551610g41999
Re: Longitude sight, South Pacific, 1864Frank Reed10 May, 18:554353g41998
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz10 May, 15:332143g41997
For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser10 May, 14:516461g41996
Time sight DurationBruce J. Pennino10 May, 13:051762g41995
Re: Use of Marine Sextants in AircraftDavid Pike10 May, 11:025402g41994
Re: Use of Marine Sextants in AircraftFred Hebard10 May, 02:176822g41993
Re: Longitude sight, South Pacific, 1864Ed Popko9 May, 21:222123g41992
Re: Use of Marine Sextants in AircraftDavid Pike9 May, 18:282832g41991
Re: Use of Marine Sextants in AircraftBrad Morris9 May, 18:2112078g41990
Re: Use of Marine Sextants in AircraftGary LaPook9 May, 17:311504g41989
Re: Use of Marine Sextants in AircraftFred Hebard9 May, 17:1714877g41988
Re: Longitude sight, South Pacific, 1864Frank Reed9 May, 15:465645g41987
Re: Longitude sight, South Pacific, 1864Frank Reed9 May, 15:332652g41986
Re: Longitude sight, South Pacific, 1864Ed Popko9 May, 11:39160331g41985
Re: Mercury AH in aircraft sextants?David Pike9 May, 08:424951g41984
Re: Use of Marine Sextants in AircraftDavid Pike9 May, 08:372821g41983
Re: Use of Marine Sextants in AircraftDavid Pike9 May, 08:2910675g41982
Re: Mark 7 Knee-Mounted Plotting BoardChris Caswell8 May, 22:551648g41981
Re: Sextant auction. Windham, NH, May 20Bill Morris8 May, 22:241674g41980
Re: Sight reduction program for iPhonesChris Caswell8 May, 22:181441g41979
Re: Mercury AH in aircraft sextants?Bill Morris8 May, 22:172092g41978
Re: Use of Marine Sextants in AircraftFred Hebard8 May, 21:4010794g41977
Re: Use of Marine Sextants in AircraftGary LaPook8 May, 21:1510463g41976
Re: Use of Marine Sextants in AircraftGary LaPook8 May, 21:031609g41975
Re: Longitude sight, South Pacific, 1864Robin Stuart8 May, 20:2145060g41974
Re: Use of Marine Sextants in AircraftLars Bergman8 May, 18:071371g41973
Re: Mercury AH in aircraft sextants?David Pike8 May, 16:282451g41972
Mercury AH in aircraft sextants?Tony Oz8 May, 14:331710g41971
Re: Sextant auction. Windham, NH, May 20Fred Hebard8 May, 12:0910878g41970
Re: Longitude sight, South Pacific, 1864Ed Popko8 May, 11:151798g41969
Re: A paper sextant sight...John D. Howard8 May, 09:301459g41968
Use of Marine Sextants in AircraftDavid Pike8 May, 08:386854g41967
Re: A paper sextant sight...Herman Dekker8 May, 08:321836g41966
Longitude sight, South Pacific, 1864Frank Reed8 May, 05:285575g41965
Re: Sextant auction. Windham, NH, May 20Robert VanderPol II8 May, 05:157254g41964
Re: A paper sextant sight...Greg Rudzinski8 May, 01:012057g41963
Re: A paper sextant sight...John D. Howard8 May, 00:091546g41962
Re: Sextant auction. Windham, NH, May 20Jackson McDonald7 May, 21:509556g41961
Re: Sextant auction. Windham, NH, May 20Greg Rudzinski7 May, 20:071772g41960
Re: Sextant auction. Windham, NH, May 20Lars Bergman7 May, 18:323264g41959
Re: Sextant auction. Windham, NH, May 20David Pike7 May, 16:055850g41958
Re: Sight reduction program for iPhonesStan K7 May, 10:314682g41957
Re: A paper sextant sight...Greg Rudzinski7 May, 13:4710943g41956
Re: Sight reduction program for iPhonesAndrés Ruiz7 May, 06:223716g41955
Re: Mark 7 Knee-Mounted Plotting BoardTracy Shrier7 May, 03:062514g41954
Re: Sight reduction program for iPhonesStan K7 May, 01:238276g41953
Pyongyang Time is gone againFrank Reed7 May, 00:332455g41952
Re: Sight reduction program for iPhonesPete Solon Palmer6 May, 21:396927g41951
Re: A paper sextant sight...Frank Reed6 May, 17:597562g41950
Sextant auction. Windham, NH, May 20Jackson McDonald6 May, 15:3696552g41949
Re: LOPs from LunarsEd Popko6 May, 10:331917g41948
Re: Mystic Seaport MuseumFrank Reed5 May, 21:489662g41947
Re: Mystic Seaport MuseumCharles McElhill5 May, 19:572450g41946
Re: Fitzgerald and McCain CollisionsLu Abel5 May, 19:394799g41945
Re: Mystic Seaport MuseumFrank Reed5 May, 19:064037g41944
Re: Sight reduction program for iPhonesFrank Reed5 May, 18:536989g41943
Re: LOPs from LunarsFrank Reed5 May, 17:4833345g41942
Re: Fitzgerald and McCain CollisionsRobert VanderPol II5 May, 15:102138g41941
Re: Fitzgerald and McCain CollisionsSean C5 May, 04:514014g41940
Re: Mystic Seaport MuseumJackson McDonald5 May, 02:132376g41939
Re: Mystic Seaport MuseumRobert Wyatt4 May, 13:514695g41938
Re: Mystic Seaport MuseumTony Oz4 May, 08:141492g41937
22 degree haloBob Goethe3 May, 21:281456g41936
A paper sextant sight...Frank Reed3 May, 19:554564g41935
VP-OS Plotting SheetsBob Goethe3 May, 17:381709g41934
Re: Navigation ModulesAntoine Couëtte3 May, 07:211542g41933
Mystic Seaport MuseumFrank Reed3 May, 02:112054g41932
Re: Navigation ModulesDouglas Stephen2 May, 21:302716g41931
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May, 17:571488g41930
LOPs from LunarsEd Popko2 May, 17:0151678g41929
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May, 08:444924g41928
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May, 07:522440g41927
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May, 07:401453g41926
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn1 May, 22:491567g41925
Re: Longest Straight Line Paths on Water or Land on the EarthFrank Reed1 May, 22:082117g41924
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky1 May, 13:315017g41923
Re: John Karl's Celestial Navigation in the GPS AgeSean C1 May, 02:141697g41922
Astra box & other wood instrument box FSTom Mackie1 May, 01:272878g41921
Re: John Karl's Celestial Navigation in the GPS AgeStan K1 May, 00:38499062g41920
Celestial Tools V5.6.10Stan K1 May, 00:081009831g41919
Re: John Karl's Celestial Navigation in the GPS AgeSean C30 Apr, 23:454530g41918
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn30 Apr, 22:432654g41917
Mark 7 Knee-Mounted Plotting BoardMiles B. Anderson30 Apr, 20:433160g41916
Re: Navigation ModulesRobin Stuart30 Apr, 19:211698g41915
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky30 Apr, 13:482563g41914
Re: Navigation ModulesAndrew Nikitin30 Apr, 12:431789g41913
Re: John Karl's Celestial Navigation in the GPS AgeStan K29 Apr, 23:004359g41912
Re: John Karl's Celestial Navigation in the GPS AgeRobert VanderPol II29 Apr, 22:021371g41911
John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn29 Apr, 21:341730g41910
Re: Navigation ModulesRobin Stuart29 Apr, 17:472171g41909
Re: Navigation ModulesStan K29 Apr, 15:129194g41908
Re: Navigation ModulesAntoine Couëtte29 Apr, 10:249923g41907
Re: Navigation ModulesAntoine Couëtte29 Apr, 06:347039g41906
Navigation ModulesAlan S28 Apr, 20:411611g41905
Re: Celestial Navigation is so simpleAlan S28 Apr, 18:231916g41904
Re: Celestial Navigation is so simpleGreg Rudzinski28 Apr, 17:357606g41903
Re: Celestial Navigation is so simpleGary LaPook28 Apr, 16:398056g41902
Celestial Navigation is so simpleDon Seltzer28 Apr, 15:475430g41901
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr, 04:194321g41900
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayDavid C28 Apr, 03:482273g41899
Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr, 01:492929g41898
Re: Autonomous ships are coming.Jeremy C25 Apr, 06:239170g41897
Re: Autonomous ships are coming.Lu Abel24 Apr, 18:529213g41896
Autonomous ships are coming.Gary LaPook24 Apr, 17:201682g41895
Re: Longest Straight Line Paths on Water or Land on the EarthPeter Hakel24 Apr, 12:315072g41894
Re: Longest Straight Line Paths on Water or Land on the EarthRobert VanderPol II24 Apr, 04:245599g41893
Re: Longest Straight Line Paths on Water or Land on the EarthJohn D. Howard23 Apr, 23:431922g41892
Compassipedia online compass museumPaul Hirose23 Apr, 21:413003g41891
Re: Longest Straight Line Paths on Water or Land on the EarthAlexandre Eremenko23 Apr, 20:213192g41890
Longest Straight Line Paths on Water or Land on the EarthRobert H. van Gent23 Apr, 18:513092g41889
Re: Viking Navigation and "Sunstones"Geoffrey Kolbe23 Apr, 05:141546g41888
Celestial Tools V5.6.9Stan K22 Apr, 18:083761g41887
Sight reduction program for iPhonesChris Caswell22 Apr, 13:131486g41886
Re: Viking Navigation and "Sunstones"Tony Oz22 Apr, 07:332090g41885
Lumpy lunar edgeEd Popko20 Apr, 18:08132177g41884
Re: Moon-rise/set with Air Almanac: how to?Robert Bernecky20 Apr, 14:136187g41883
HO-211 Hulbert Hinkel Jr.Robert VanderPol II20 Apr, 03:422068g41882
Moon-rise/set with Air Almanac: how to?Tony Oz19 Apr, 17:443478g41881
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr, 15:334596g41880
Re: Lunars: this weekend at Mystic SeaportEd Popko19 Apr, 10:151776g41879
Re: Micrometer vernierTony Oz19 Apr, 08:501978g41878
Finding the EnduranceDavid C19 Apr, 07:021529g41877
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr, 04:002122g41876
Re: Micrometer vernierAlexandre Eremenko18 Apr, 22:422077g41875
Re: Micrometer vernierPeter Monta18 Apr, 22:071708831g41874
Re: Micrometer vernierPosth P18 Apr, 17:081641g41873
Re: Lunars: this weekend at Mystic SeaportEd Popko18 Apr, 17:001629g41872
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski18 Apr, 16:592735g41871
Re: Lunars: this weekend at Mystic SeaportRobin Stuart18 Apr, 13:212382g41870
Re: Micrometer vernierTony Oz18 Apr, 12:552832g41869
Re: Micrometer vernierDavid Pike18 Apr, 11:353273g41868
Re: Micrometer vernierBill Morris18 Apr, 00:044967g41867
Re: Micrometer vernierMichael Bradley17 Apr, 22:482502g41866
Re: Micrometer vernierWilliam Edward Henry17 Apr, 22:472383g41865
Re: Micrometer vernierFrank Reed17 Apr, 18:002106g41864
Re: Micrometer vernierDavid Fleming17 Apr, 17:462205g41863
Re: Micrometer vernierBob Goethe17 Apr, 17:402205g41862
Micrometer vernierFrank Reed17 Apr, 17:032329g41861
Re: Lunars: this weekend at Mystic SeaportJeremy C17 Apr, 12:261795g41860
Re: Sextant as hand luggage on a planeAlan S17 Apr, 04:021656g41859
Re: Lunars: this weekend at Mystic SeaportEd Popko17 Apr, 00:594808g41858
Re: WWII bubble sextants and radiumGary LaPook17 Apr, 00:162331g41857
Re: Lunars: this weekend at Mystic SeaportFrank Reed16 Apr, 18:401597g41856
Lunars: this weekend at Mystic SeaportFrank Reed16 Apr, 18:282209g41855
Re: Sextant as hand luggage on a planeKen Gebhart16 Apr, 17:266105g41854
Re: Celesticomp V instructionsStan K15 Apr, 23:4312714767g41853
Re: Sextant as hand luggage on a planeAlan S15 Apr, 22:371981g41852
Re: SNO-T for sale, £300Robert VanderPol II15 Apr, 21:101374g41851
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr, 20:372094g41850
Re: Sextant as hand luggage on a planeRobin Stuart15 Apr, 19:4246213g41849
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr, 19:162307g41848
Re: Sextant as hand luggage on a planeRobert Eno15 Apr, 19:062385g41847
Re: Sextant as hand luggage on a planeAlejandro Purgue15 Apr, 18:285047g41846
Re: Celesticomp V instructionsJohn Carbone15 Apr, 18:216397g41845
Sextant as hand luggage on a planeBill Lionheart15 Apr, 16:202816g41844
Celesticomp V instructionsBrian Lloyd15 Apr, 15:051778g41843
Re: SNO-T for sale, £300Örjan Sandström15 Apr, 12:021462g41842
Mirages and refraction.Tony Oz14 Apr, 22:345435g41841
Ghost Ring vs. Sight TubeGreg Rudzinski14 Apr, 19:492221g41840
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook14 Apr, 05:421719g41839
Re: More accurate version of Pub 249 Vol 1 - is it needed?David Pike13 Apr, 20:074486g41838
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook13 Apr, 16:221816g41837
The marquis de Chabert & the lunar distanceDucruy Jacques13 Apr, 16:082379g41836
More accurate version of Pub 249 Vol 1 - is it needed?Rafal O.13 Apr, 11:173298g41835
Re: Video tour of our MoonSean C13 Apr, 02:131583g41834
Video tour of our MoonEd Popko12 Apr, 15:121719g41833
Re: New Edition of BowditchKen Gebhart11 Apr, 22:007085g41832
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer11 Apr, 21:535917g41831
New Edition of BowditchRommel John Miller11 Apr, 20:022449g41830
Re: Wikipedia Article on "Stellar Triangulation"Fred Hebard11 Apr, 19:2113722g41829
Sumner Line SR by Martelli TableGreg Rudzinski11 Apr, 18:031952g41828
Re: Henning Umland's javascript web appBill Lionheart11 Apr, 17:5310632g41827
Re: Sail the tall ship OHP, April 25-May 10Frank Reed11 Apr, 17:086788g41826
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed11 Apr, 17:002549g41825
Re: Henning Umland's spreadsheets.Frank Reed11 Apr, 16:396421g41824
SNO-T for sale, £300Robert VanderPol II11 Apr, 12:191538g41823
Re: Henning Umland's spreadsheets.Brad Morris10 Apr, 20:139068g41822
Re: Henning Umland's spreadsheets.Paul Hirose10 Apr, 19:563060g41821
Lewis and Clark LunarsGreg Rudzinski10 Apr, 15:481555g41820
Re: Henning Umland's spreadsheets.Bill Lionheart10 Apr, 14:064313g41819
Re: Wikipedia Article on "Stellar Triangulation"Frank Reed9 Apr, 17:509083g41818
Re: Second hand sextant adviceBob Goethe9 Apr, 16:582102g41817
Lunars: Altitude Accuracy (revisited)Ed Popko9 Apr, 16:3715681g41816
Wikipedia Article on "Stellar Triangulation"Fred Hebard9 Apr, 15:542297g41815
Re: New York Times article on Viking Navigation and their use of "Sunstones"Bob Goethe9 Apr, 15:441469g41814
Re: New York Times article on Viking Navigation and their use of "Sunstones"Tony Oz9 Apr, 14:051608g41813
Re: Photo of horizonRobert VanderPol II9 Apr, 13:461760g41812
Re: Article: Inside the Worst U.S. Maritime Disaster in DecadesEd Popko9 Apr, 11:351763g41811
Re: New York Times article on Viking Navigation and their use of "Sunstones"Wolfgang Köberer9 Apr, 07:124961g41810
Re: Photo of horizonSean C9 Apr, 02:231449g41809
Henning Umland's spreadsheets.Bill Lionheart9 Apr, 02:203581g41808
Re: New York Times article on Viking Navigation and their use of "Sunstones"Erland Andersen9 Apr, 02:153068g41807
Article: Inside the Worst U.S. Maritime Disaster in DecadesJackson McDonald9 Apr, 01:541965g41806
Photo of horizonRobert VanderPol II8 Apr, 15:272276g41805
New York Times article on Viking Navigation and their use of "Sunstones"Ed Popko8 Apr, 10:342500g41804
Re: Second hand sextant adviceMichael Bradley8 Apr, 09:183385g41803
Re: Second hand sextant adviceAlan S8 Apr, 04:472907g41802
Re: Correction for diameter of the earthSean C8 Apr, 04:431596g41801
Re: Second hand sextant adviceJackson McDonald8 Apr, 01:268468g41800
Correction for diameter of the earthC Solo7 Apr, 23:561580g41799
Re: Second hand sextant adviceDavid C7 Apr, 22:311951g41798
Re: Second hand sextant adviceBill Morris7 Apr, 21:507501g41797
Re: Second hand sextant adviceBruce Cutting7 Apr, 21:376731g41796
Re: Lunar-Distance correction for OblatenessFrank Reed7 Apr, 02:109981g41795
Re: Lunar-Distance correction for OblatenessSean C7 Apr, 01:004442g41794
Re: Lunar-Distance correction for OblatenessEd Popko6 Apr, 20:241650g41793
Re: Second hand sextant adviceGreg Rudzinski6 Apr, 20:103210g41792
Re: Second hand sextant adviceKen Gebhart6 Apr, 19:1015615g41791
Re: Second hand sextant adviceChris Caswell6 Apr, 19:061821g41790
Re: Second hand sextant adviceFrank Reed6 Apr, 18:594436g41789
Re: Lunar-Distance correction for OblatenessFrank Reed6 Apr, 18:485238g41788
Second hand sextant adviceEdward Colonna6 Apr, 15:3658085g41787
Lunar-Distance correction for OblatenessEd Popko6 Apr, 14:124223g41786
Re: Quick Estimate of Sun Declination: analemmas?max mulhern6 Apr, 13:476143g41785
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman5 Apr, 20:351647g41784
Re: Quick Estimate of Sun DeclinationTony Oz5 Apr, 18:522844g41783
Re: Quick Estimate of Sun DeclinationFrank Reed5 Apr, 18:496392g41782
Re: Quick Estimate of Sun Declination: analemmas?Frank Reed5 Apr, 16:026807g41781
Re: Quick Estimate of Sun Declination: analemmas?max mulhern5 Apr, 15:121834g41780
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz5 Apr, 13:076045g41779
Universal Plotting Sheet at High LatitudesBob Goethe5 Apr, 11:367403g41778
Re: Quick Estimate of Sun DeclinationHerman Dekker5 Apr, 10:202082g41777
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hirose5 Apr, 04:565457g41776
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski5 Apr, 04:191988g41775
Quick Estimate of Sun DeclinationFrank Reed5 Apr, 02:064547g41774
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed4 Apr, 16:299844g41773
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart4 Apr, 11:571697g41772
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hughes4 Apr, 09:341863g41771
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr, 07:084577g41770
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr, 06:341588g41769
Re: Nautical Almanac, HO 229 or HO 249John D. Howard3 Apr, 22:382645g41768
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr, 22:153535g41767
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman3 Apr, 21:4011158g41766
Re: Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr, 21:321312g41765
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed3 Apr, 19:3910421g41764
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr, 19:387216g41763
Re: Google Honors John Harrison with "Doodle"Brad Morris3 Apr, 19:196254g41762
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr, 19:109705g41761
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr, 19:103914g41760
Re: Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky3 Apr, 18:511896g41759
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWolfgang Köberer3 Apr, 18:123696g41758
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr, 17:281916g41757
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski3 Apr, 17:274154g41756
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr, 13:142247g41755
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPeter Monta3 Apr, 12:515337g41754
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr, 12:502263g41753
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart3 Apr, 12:3045749g41752
Re: JPL ephemeresis and Nautical Almanac - speed of light questionMike Mayer3 Apr, 12:248771g41751
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr, 10:201463g41750
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz3 Apr, 08:491506g41749
Google Honors John Harrison with "Doodle"Sean C3 Apr, 08:461853g41748
JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr, 07:502811g41747
Re: Nautical Almanac, HO 229 or HO 249Robert VanderPol II3 Apr, 06:191999g41746
Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr, 05:341627g41745
Re: Celestial SimulatorPhil Sadler3 Apr, 02:441505g41744
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski2 Apr, 23:492389g41743
Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky2 Apr, 13:377387g41742
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr, 23:586219g41741
Re: Polarized Sunglasses for CNGreg Rudzinski1 Apr, 23:565239g41740
Re: Celestial SimulatorPaul Hirose1 Apr, 23:225450g41739
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr, 22:468253g41738
Re: Polarized Sunglasses for CNTony Oz1 Apr, 22:022405g41737
Re: Two Suns on the Horizon?Tony Oz1 Apr, 21:502044g41736
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWilliam A1 Apr, 20:273590g41735
Re: Upon Oceans endorsementWilliam A1 Apr, 20:222936g41734
Re: Two Suns on the Horizon?Frank Reed1 Apr, 16:595336g41733
Re: Two Suns on the Horizon?Nick M1 Apr, 12:381744g41732
Re: Polarized Sunglasses for CNGeoffrey Kolbe1 Apr, 05:511796g41731
Re: Celestial SimulatorPhil Sadler1 Apr, 02:562202g41730
Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed1 Apr, 00:554726g41729
Luftwaffe Cased Leveling OctantJackson McDonald31 Mar, 23:504852g41728
Re: 1973 Altitude Correction tablesJohn D. Howard31 Mar, 19:182797g41727
Re: Sail the tall ship OHP, April 25-May 10Bob Miorelli31 Mar, 17:471952g41726
Re: Polarized Sunglasses for CNPeter Monta31 Mar, 17:064514g41725
Polarized Sunglasses for CNGreg Rudzinski31 Mar, 15:013292g41724
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar, 14:226941g41723
Re: Beware of Noon Sights this time of YearRobin Stuart31 Mar, 12:5747069g41722
Re: Beware of Noon Sights this time of YearGreg Rudzinski31 Mar, 01:414647g41721
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar, 00:396917g41720
Re: 1973 Altitude Correction tablesDavid C30 Mar, 22:251781g41719
Re: 1973 Altitude Correction tablesDavid C30 Mar, 22:134116g41718
Re: Sail the tall ship OHP, April 25-May 10Tom Sult30 Mar, 19:557857g41717
Re: Navigational science during the dark daysTom Sult30 Mar, 19:485905g41716
Re: Beware of Noon Sights this time of YearFrank Reed30 Mar, 19:2116175g41715
Beware of Noon Sights this time of YearEd Popko30 Mar, 18:221649g41714
Sail the tall ship OHP, April 25-May 10Frank Reed30 Mar, 16:224649g41713
Re: 1973 Altitude Correction tablesFrank Reed30 Mar, 16:024005g41712
Re: Two Suns on the Horizon?Frank Reed30 Mar, 15:444665g41711
Re: Low orbit satellites for navigationPeter Monta30 Mar, 15:405725g41710
Re: Two Suns on the Horizon?Peter Monta30 Mar, 15:093992g41709
Navigational science during the dark daysAnnaig Labornez30 Mar, 14:252867g41708
Spam-L--- Re: Two Suns on the Horizon?Robert Wyatt30 Mar, 13:175549g41707
Re: ECDIS: What Happens When the GPS Signal Goes Away?Jeremy C30 Mar, 09:492794g41706
1973 Altitude Correction tablesDavid C30 Mar, 06:553092g41705
Two Suns on the Horizon?Sean C30 Mar, 05:301933g41704
ECDIS: What Happens When the GPS Signal Goes Away?Jackson McDonald29 Mar, 21:044819g41703
Re: G is for GreenwichFrank Reed28 Mar, 17:311779g41702
Re: Celnav apps for AndroidTony Oz28 Mar, 12:501535g41701
Celnav apps for AndroidAndrés Ruiz28 Mar, 06:406971g41700
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar, 20:547217g41699
Re: Sight Reduction Calculator for iOS (update)Tony Oz27 Mar, 17:392382g41698
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar, 15:275572g41697
Re: Upon Oceans endorsementJeremy C27 Mar, 10:193118g41696
Sight Reduction Calculator for iOS (update)Tony Oz27 Mar, 08:442206g41695
Re: Upon Oceans endorsementSean C27 Mar, 03:251817g41694
Upon Oceans endorsementWilliam A26 Mar, 19:362066g41693
Low orbit satellites for navigationFrank Reed26 Mar, 19:064159g41692
History of navigation conference, National Maritime Museum, Greenwich, 24-25 May 2018Richard Dunn26 Mar, 13:5026361g41691
Re: Ship SpeedJeremy C23 Mar, 09:251776g41690
Re: Doc On Worst Jobs at SeaBruce J. Pennino23 Mar, 01:183880g41689
Time-lapse animation of the moonEd Popko22 Mar, 20:461804g41688
Re: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Chris Willmes22 Mar, 20:0410257g41687
Re: Ship SpeedTerry Syrokosz22 Mar, 18:453489g41686
MOO MOB and Stationary observerAndrés Ruiz22 Mar, 18:19144097g41685
Fwd: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Andrés Ruiz22 Mar, 18:11217010g41684
Re: Time of SpringTerry Syrokosz22 Mar, 17:422306g41683
Re: Doc On Worst Jobs at SeaHenry Halboth22 Mar, 17:097493g41682
Re: Ship SpeedMichael Bradley22 Mar, 16:441485g41681
Re: Ship SpeedIan Vaughn22 Mar, 16:195061g41680
Ship SpeedBruce J. Pennino22 Mar, 15:213564g41679
Re: Doc On Worst Jobs at SeaDon Seltzer22 Mar, 14:432535872g41678
Re: Doc On Worst Jobs at SeaBruce J. Pennino22 Mar, 13:395561g41677
Re: Time of SpringPaul Hirose22 Mar, 05:274669g41676
Re: From whaling to piracyFrank Reed22 Mar, 03:254416g41675
Re: From whaling to piracyDon Seltzer22 Mar, 02:237684g41674
Re: Doc On Worst Jobs at SeaFrank Reed22 Mar, 00:573240g41673
Doc On Worst Jobs at SeaGreg Rudzinski22 Mar, 00:481701g41672
Re: From whaling to piracyDavid Pike21 Mar, 23:106050g41671
Re: From whaling to piracyBob Goethe21 Mar, 21:316852g41670
From whaling to piracyFrank Reed21 Mar, 20:544150g41669
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar, 17:512890g41668
Re: Smart management of NavList emailsBrad Morris21 Mar, 17:257503g41667
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar, 16:264582g41666
Re: Smart management of NavList emailsFrank Reed21 Mar, 16:164259g41665
Smart management of NavList emailsBrad Morris21 Mar, 15:545452g41664
Re: Time of SpringDave Walden21 Mar, 14:091826g41663
Re: Time of SpringTony Oz21 Mar, 10:481386g41662
Time of SpringTerry Syrokosz21 Mar, 03:081493g41661
Re: Stephen HawkingFrancis Upchurch20 Mar, 19:176194g41660
G is for GreenwichFrank Reed20 Mar, 18:512038g41659
Re: Geographic coordinates from smart phonesFrank Reed20 Mar, 18:215258g41658
Re: Stephen HawkingFrank Reed20 Mar, 18:086451g41657
Modern Celestial, this weekend at Mystic SeaportFrank Reed20 Mar, 16:182628g41656
Re: Upcoming celestial classes at Mystic SeaportTerry Syrokosz20 Mar, 13:521425g41655
Re: Stephen HawkingFrancis Upchurch19 Mar, 19:152646g41654
Re: Nomogram for Dip Short of HorizonRobin Stuart19 Mar, 14:1848173g41653
Re: Nomogram for Dip Short of HorizonTony Oz19 Mar, 10:461963g41652
Re: Nomogram for Dip Short of HorizonEd Popko18 Mar, 22:541423g41651
Re: Nomogram for Dip Short of HorizonHerman Dekker18 Mar, 21:491664g41650
Re: Nomogram for Dip Short of HorizonGreg Rudzinski18 Mar, 21:331380g41649
Re: Geographic coordinates from smart phonesBrad Morris18 Mar, 20:475118g41648
Nomogram for Dip Short of HorizonRobin Stuart18 Mar, 20:2847056g41647
Re: Did chronometers introduce economics to navigation?Geoffrey Kolbe18 Mar, 20:002340g41646
Geographic coordinates from smart phonesMike Burkes18 Mar, 16:261591g41645
Re: Did chronometers introduce economics to navigation?Brad Morris18 Mar, 15:177656g41644
Re: Did chronometers introduce economics to navigation?Greg Rudzinski18 Mar, 13:2410566g41643
Did chronometers introduce economics to navigation?Ed Popko18 Mar, 12:3449649g41642
Re: D.H. Sadler on Ephemeris Time, 1954Peter Monta18 Mar, 06:075061g41641
Re: Erasing E6-B and Polhemus PlotsFrank Reed18 Mar, 02:173605g41640
Re: D.H. Sadler on Ephemeris Time, 1954Frank Reed18 Mar, 02:035824g41639
Re: Erasing E6-B and Polhemus PlotsEd Popko17 Mar, 10:2245275g41638
Re: Erasing E6-B and Polhemus PlotsTracy Shrier17 Mar, 04:361887g41637
Current / future state of UT1 access?Paul Hirose16 Mar, 18:245450g41636
Re: Stephen HawkingGeoffrey Kolbe16 Mar, 19:591984g41635
D.H. Sadler on Ephemeris Time, 1954Paul Hirose16 Mar, 18:236146g41634
Stephen HawkingFrank Reed16 Mar, 16:3511345g41633
Re: Short Dip distanceRon Jones16 Mar, 15:201572g41632
Re: Short Dip distanceRobin Stuart16 Mar, 15:101615g41631
Re: Short Dip distanceRobin Stuart16 Mar, 14:3146094g41630
Re: Celestial SimulatorPhil Sadler15 Mar, 22:201708g41629
Re: Celestial SimulatorLuc Van den Borre15 Mar, 21:312160g41628
Re: Celestial SimulatorPhil Sadler15 Mar, 20:262185g41627
Re: Celestial SimulatorPhil Sadler15 Mar, 20:222742g41626
Re: Celestial SimulatorFrank Reed15 Mar, 17:324678g41625
A message to Herman DekkerStan K15 Mar, 05:493289g41624
Re: Short Dip distanceStan K15 Mar, 16:046680g41623
Re: Celestial SimulatorPhil Sadler15 Mar, 13:251748g41622
Re: Celestial SimulatorPhil Sadler15 Mar, 13:161453g41621
Re: Celestial SimulatorPhil Sadler15 Mar, 13:131635g41620
Re: Celestial SimulatorPhil Sadler15 Mar, 13:141505g41619
Re: Short Dip distanceGreg Rudzinski15 Mar, 12:293193g41618
Re: Celestial SimulatorLuc Van den Borre15 Mar, 09:54287724g41617
Re: Celestial SimulatorLuc Van den Borre15 Mar, 07:554752g41616
Re: Celestial SimulatorSean C15 Mar, 07:142104g41615
Short Dip distanceBob McDowell15 Mar, 06:121533g41614
Re: Celestial SimulatorFrank Reed15 Mar, 03:128376g41613
Re: No Celestial Love in ECDISMichael Bradley14 Mar, 21:098118g41612
Re: Distance to Horizon by DipFrank Reed14 Mar, 18:4911120g41611
Distance to Horizon by DipBob Goethe14 Mar, 18:153531g41610
Re: An azimuth nomogram: what's under the hood?Robin Stuart14 Mar, 18:1049028g41609
Re: No Celestial Love in ECDISGreg Rudzinski14 Mar, 16:398879g41608
Re: An azimuth nomogram: what's under the hood?Bob Crawley14 Mar, 12:152375g41607
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott14 Mar, 11:02435630g41606
Re: An azimuth nomogram: what's under the hood?Stan K13 Mar, 22:5710650g41605
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar, 19:174037g41604
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar, 18:422157g41603
Re: An azimuth nomogram: what's under the hood?Robert Wyatt13 Mar, 18:155918g41602
Re: An azimuth nomogram: what's under the hood?Frank Reed13 Mar, 17:382434g41601
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar, 17:0749501g41600
Re: Odd star brightness as seen from ISS night orbitsFrank Reed13 Mar, 16:4211546g41599
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar, 16:372076g41598
Re: An azimuth nomogram: what's under the hood?Bob Goethe13 Mar, 16:347180g41597
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar, 16:332061g41596
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar, 15:021689g41595
Re: An azimuth nomogram: what's under the hood?Bruce J. Pennino13 Mar, 14:098109g41594
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar, 13:361746g41593
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar, 10:313821g41592
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott13 Mar, 10:27494651g41591
Re: Erasing E6-B and Polhemus PlotsDavid Pike13 Mar, 07:594156g41590
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar, 07:532131g41589
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar, 07:278877g41588
Re: Erasing E6-B and Polhemus PlotsGary LaPook13 Mar, 06:571774g41587
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar, 05:353542g41586
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar, 05:151538g41585
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar, 05:101671g41584
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar, 22:093329g41583
Re: An azimuth nomogram: what's under the hood?Gary LaPook12 Mar, 22:111475g41582
Re: Another round on the fate of Amelia Earhart in today's newsJackson McDonald12 Mar, 21:5810483g41581
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar, 21:273493g41580
An azimuth nomogram: what's under the hood?Tony Oz12 Mar, 18:272873g41579
Re: No Celestial Love in ECDISFrank Reed12 Mar, 17:542225g41578
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar, 17:051210076g41577
Re: No Celestial Love in ECDISGreg Rudzinski12 Mar, 15:112679g41576
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar, 14:0015397g41575
Odd star brightness as seen from ISS night orbitsEd Popko12 Mar, 12:532401g41574
Re: Procedure for points on a circle of positionAndrés Ruiz12 Mar, 09:049010g41573
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar, 08:555093g41572
Re: Thridrangaviti LighthouseAndrés Ruiz12 Mar, 08:54555295g41571
Re: NAO Concise Reduction FormBob McDowell12 Mar, 06:551532g41570
Re: NAO Concise Reduction FormBob McDowell12 Mar, 06:501560g41569
Re: No Celestial Love in ECDISFrank Reed12 Mar, 02:2611068g41568
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar, 23:095293g41567
Re: No Celestial Love in ECDISJeremy C11 Mar, 22:232422g41566
Celestial SimulatorPhil Sadler11 Mar, 21:443013g41565
Re: NAO Concise Reduction FormStan K11 Mar, 21:031010273g41564
Procedure for points on a circle of positionFrank Reed11 Mar, 18:494816g41563
Re: Busy night as workers adjust British henge sites for saving timeDennis Jewitt11 Mar, 18:171447g41562
NAO Concise Reduction FormBob McDowell11 Mar, 17:532873g41561
Re: No Celestial Love in ECDISMichael Bradley11 Mar, 17:492701g41560
Re: Erasing E6-B and Polhemus PlotsJacob M. Huffman III11 Mar, 15:409861g41559
Busy night as workers adjust British henge sites for saving timeEd Popko11 Mar, 13:271665g41558
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar, 13:051778g41557
Re: Getting UT1/GMTTony Oz11 Mar, 10:361432g41556
No Celestial Love in ECDISJeremy C11 Mar, 10:162509g41555
Re: Getting UT1/GMTTony Oz11 Mar, 09:482617g41554
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar, 04:561633g41553
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar, 04:391400g41552
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer11 Mar, 01:115356g41551
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar, 21:422420g41550
Re: Artificial Horizon Sun Moon Fix by Casio fx 260Lars Bergman10 Mar, 20:452657g41549
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar, 19:531520g41548
Re: Erasing E6-B and Polhemus PlotsPaul Hirose10 Mar, 19:453225g41547
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar, 19:322974g41546
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris10 Mar, 13:194633g41545
Re: Erasing E6-B and Polhemus PlotsEd Popko10 Mar, 10:451711g41544
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar, 07:001832g41543
Re: Erasing E6-B and Polhemus PlotsSean C10 Mar, 06:273127g41542
Re: Erasing E6-B and Polhemus PlotsAlan S10 Mar, 03:312117g41541
Getting UT1/GMTBob Goethe10 Mar, 02:306318g41540
Thridrangaviti LighthouseBob Goethe10 Mar, 01:552192g41539
Re: Flight Levels CelNav; 02/10/2018Tracy Shrier10 Mar, 01:423369g41538
Re: Upcoming celestial classes at Mystic SeaportBob Goethe9 Mar, 23:071913g41537
Upcoming celestial classes at Mystic SeaportFrank Reed9 Mar, 21:2910003g41536
ADMIN: NavList Operations contributionsFrank Reed9 Mar, 20:094349g41535
Re: Erasing E6-B and Polhemus PlotsDavid Pike9 Mar, 19:312877g41534
Another Earhart mystery?Lu Abel9 Mar, 18:203700g41533
Re: Erasing E6-B and Polhemus PlotsHewitt Schlereth9 Mar, 17:239570g41532
Erasing E6-B and Polhemus PlotsEd Popko9 Mar, 16:406356g41531
131 Year Old Message in a BottleNoell Wilson9 Mar, 13:252040g41530
Re: NASA and celestial navigationWolfgang Köberer8 Mar, 17:504022g41529
Re: Does this feel familiar?Jackson McDonald8 Mar, 15:4711390g41528
Does this feel familiar?Bob Crawley8 Mar, 09:051550g41527
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell8 Mar, 07:201976g41526
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantDan Pfeiffer8 Mar, 01:003209g41525
Re: Polar Grid AirNav and Oceanic AirNavPaul Hirose7 Mar, 21:296612g41524
"Sunburst and Luminary", Apollo software and navigationDon Seltzer7 Mar, 15:524795g41523
Re: NASA and celestial navigationSean C7 Mar, 03:044436g41522
Re: NASA and celestial navigationPeter Monta7 Mar, 00:516291g41521
Artificial Horizon Sun Moon Fix by Casio fx 260Greg Rudzinski6 Mar, 19:561763g41520
Re: NASA and celestial navigationGreg Rudzinski6 Mar, 17:232883g41519
Re: NASA and celestial navigationFrank Reed6 Mar, 16:396007g41518
Re: Polhemus in the Southern HemisphereEd Popko6 Mar, 12:1490038g41517
Re: NASA and celestial navigationEd Popko6 Mar, 10:592258g41516
Re: Polhemus in the Southern HemisphereGary LaPook6 Mar, 09:059088g41515
Re: NASA and celestial navigationGeoffrey Kolbe6 Mar, 06:293249g41514
Re: NASA and celestial navigationAlan S6 Mar, 04:041545g41513
Re: NASA and celestial navigationGreg Rudzinski5 Mar, 21:112152g41512
NASA and celestial navigationFrank Reed5 Mar, 20:171859g41511
CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell5 Mar, 06:197743g41510
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook5 Mar, 06:075153g41509
Re: Another round on the fate of Amelia Earhart in today's newsPaul Saffo5 Mar, 04:282434g41508
Re: Many EBAY Sextants AvailableAlan S5 Mar, 01:251341g41507
Re: Many EBAY Sextants AvailablePaul Bedel4 Mar, 20:462385g41506
Re: Many EBAY Sextants AvailableAntoine Couëtte4 Mar, 20:111368g41505
Re: Many EBAY Sextants AvailableRobert VanderPol II4 Mar, 01:101337g41504
Re: Many EBAY Sextants AvailableEd Popko3 Mar, 22:511944g41503
Re: The diagram on strip formRobert Pearson3 Mar, 18:341907g41502
Many EBAY Sextants AvailableBruce J. Pennino3 Mar, 15:101975g41501
Re: The diagram on strip formRobert VanderPol II3 Mar, 14:171596g41500
Re: The diagram on strip formJeremy C3 Mar, 08:151703g41499
Re: The diagram on strip formSean C3 Mar, 05:582259g41498
The diagram on strip formBob Goethe2 Mar, 16:351659g41497
Re: Gatty's Raft Manual mapTony Oz2 Mar, 15:242556g41496
Polhemus in the Southern HemisphereEd Popko2 Mar, 13:412352g41495
Gatty's Raft Manual mapBob Crawley2 Mar, 09:363291g41494
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz2 Mar, 08:372764g41493
Re: Pyramid alignmentGeoffrey Kolbe2 Mar, 06:522807g41492
Re: Polhemus computerAlan S2 Mar, 05:461442g41491
Re: Pyramid alignmentFrank Reed2 Mar, 00:413665g41490
Pyramid alignmentGary LaPook1 Mar, 23:582127g41489
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Gary LaPook1 Mar, 20:231588g41488
Re: Another round on the fate of Amelia Earhart in today's newsNoell Wilson1 Mar, 20:092140g41487
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer1 Mar, 19:3111711g41486
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz1 Mar, 11:371887g41485
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Paul Hughes1 Mar, 11:151654g41484
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar, 09:4315356g41483
Re: Flight Levels CelNav; 02/10/2018Gary LaPook1 Mar, 09:108235g41482
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar, 08:532321g41481
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Geoffrey Kolbe1 Mar, 07:102493g41480
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar, 05:478834g41479
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb, 18:522119g41478
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Brad Morris28 Feb, 18:168384g41477
Re: Quiet Month for NavListJohn Rizzuto28 Feb, 14:123147g41476
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb, 10:182653g41475
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb, 20:264361g41474
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb, 19:15784961g41473
Re: The Defective State of the Nautical AlmanacRobert H. van Gent27 Feb, 16:0415727g41472
Re: The Defective State of the Nautical AlmanacFrank Reed27 Feb, 15:565193g41471
Re: The Defective State of the Nautical AlmanacMartin Gardner27 Feb, 15:362285g41470
Re: Quiet Month for NavListFrank Reed27 Feb, 15:1112389g41469
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Frank Reed27 Feb, 14:419290g41468
Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz27 Feb, 14:133056g41467
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb, 18:244852g41466
Re: Sunrise to sunset azimuthFrank Reed26 Feb, 17:305356g41465
Re: Quiet Month for NavListFrank Reed26 Feb, 17:306221g41464
Re: Quiet Month for NavListBrad Morris26 Feb, 15:315216g41463
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb, 14:432733g41462
Re: Quiet Month for NavListPaul Hughes26 Feb, 11:471552g41461
Re: Polar Grid AirNav and Oceanic AirNavDavid Pike26 Feb, 09:033311g41460
Re: Quiet Month for NavListJohn D. Howard26 Feb, 05:153357g41459
Re: Quiet Month for NavListTom Sult26 Feb, 04:304987g41458
Re: Polar Grid AirNav and Oceanic AirNavLudwig Schweinfurth26 Feb, 01:564224g41457
Sunrise to sunset azimuthFrank Reed25 Feb, 23:583981g41456
Re: Quiet Month for NavListDavid C25 Feb, 22:174624g41455
Re: Quiet Month for NavListFrank Reed25 Feb, 22:102124g41454
Re: Quiet Month for NavListFrank Reed25 Feb, 22:0512634g41453
Re: Quiet Month for NavListTom Sult25 Feb, 21:134958g41452
Re: In a nutshell...Tom Sult25 Feb, 21:1215794g41451
Re: Quiet Month for NavListBob Goethe25 Feb, 20:232276g41450
Quiet Month for NavListFrank Reed25 Feb, 18:495650g41449
Re: In a nutshell...Frank Reed25 Feb, 18:0312993g41448
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris25 Feb, 01:2015856g41447
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer24 Feb, 23:2511434g41446
(OT) Update to my Historical Atlas appsFrank Reed23 Feb, 21:034533g41445
Re: GPS jamming concernsAlan S23 Feb, 04:382324g41444
Re: I wonder how much celnav experience they had...David Pike22 Feb, 17:396442g41443
Re: I wonder how much celnav experience they had...Daniel Loewer21 Feb, 22:271641g41442
Re: In a nutshell...Antonio Sauci21 Feb, 16:541560g41441
Re: Location without DRFrank Reed21 Feb, 16:122981g41440
Re: My introductionTerry Syrokosz21 Feb, 15:412141g41439
Re: Location without DRMarco A. Costa21 Feb, 14:593169g41438
Re: In a nutshell...Mike Freeman21 Feb, 10:271743g41437
Re: In a nutshell...Mike Freeman21 Feb, 06:281864g41436
Re: Chas. C. Hutchinson sextantAlan S20 Feb, 23:231962g41435
Re: In a nutshell...Robert Bernecky20 Feb, 19:291799g41434
Re: My introductionDon Seltzer20 Feb, 19:204468g41433
Re: In a nutshell...Frank Reed20 Feb, 19:067557g41432
In a nutshell...Mike Freeman20 Feb, 18:143561g41431
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb, 14:392550g41430
Re: My introductionEd Popko20 Feb, 11:082326g41429
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb, 09:011982g41428
Re: My introductionAntoine Couëtte20 Feb, 06:121665g41427
My introductionTerry Syrokosz20 Feb, 00:3210603g41426
Re: Proof-reading the OCR of Cotter's "History..."Frank Reed19 Feb, 19:089996g41425
Re: Location without DRFrank Reed19 Feb, 18:308933g41424
Re: Location without DREd Popko19 Feb, 17:181740g41423
Re: Location without DRDavid Fleming19 Feb, 16:391923g41422
Re: Proof-reading the OCR of Cotter's "History..."Brad Morris19 Feb, 14:075694g41421
Re: Location without DREd Popko19 Feb, 11:442137g41420
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz19 Feb, 11:161891g41419
Flight Levels CelNav; 02/10/2018Tracy Shrier19 Feb, 05:248054g41418
Re: Location without DRSean C19 Feb, 02:563672g41417
Re: Location without DRPaul Hirose17 Feb, 21:583447g41416
Re: The Defective State of the Nautical AlmanacÖrjan Sandström17 Feb, 05:441515g41415
Re: Where the Bing are we?David Fleming16 Feb, 23:191972g41414
Re: Location without DRMarco A. Costa16 Feb, 22:192558g41413
Re: Where the Bing are we?David Pike16 Feb, 21:295480g41412
Re: Where the Bing are we?Antoine Couëtte16 Feb, 18:311878g41411
Proof-reading the OCR of Cotter's "History..."Tony Oz16 Feb, 15:311796g41410
Re: Where the Bing are we?Greg Rudzinski16 Feb, 13:571778g41409
Re: Where the Bing are we?David Pike16 Feb, 12:161952g41408
Re: Where the Bing are we?David Pike16 Feb, 11:274133g41407
Re: The "golden rule of three" - what's that?Paul Hughes16 Feb, 08:331863g41406
AP1234 plus exam on ebay £60Bob Crawley16 Feb, 08:231847g41405
Where the Bing are we?Frank Reed16 Feb, 03:561762g41404
The Defective State of the Nautical AlmanacFrank Reed16 Feb, 02:443411g41403
Re: The "golden rule of three" - what's that?Frank Reed15 Feb, 23:0110613g41402
Re: The "golden rule of three" - what's that?David Pike15 Feb, 21:313434g41401
Where is the Earth?Frank Reed15 Feb, 20:246293g41400
Re: X-ray sextantPaul Dolkas14 Feb, 19:4423642g41399
Re: Delta T long term formulaPaul Hirose14 Feb, 19:174588g41398
Re: The "golden rule of three" - what's that?Herman Dekker14 Feb, 09:381694g41397
Re: The "golden rule of three" - what's that?John D. Howard14 Feb, 03:431701g41396
Re: The "golden rule of three" - what's that?Frank Reed14 Feb, 02:506482g41395
Re: The "golden rule of three" - what's that?John D. Howard14 Feb, 02:251690g41394
Re: The "golden rule of three" - what's that?Frank Reed13 Feb, 17:536408g41393
Re: The "golden rule of three" - what's that?Tony Oz12 Feb, 15:111571g41392
Re: The "golden rule of three" - what's that?Bill Lionheart12 Feb, 08:517004g41391
Re: The "golden rule of three" - what's that?Brad Morris11 Feb, 23:545322g41390
Re: The "golden rule of three" - what's that?Don Seltzer11 Feb, 23:357084g41389
The "golden rule of three" - what's that?Tony Oz11 Feb, 22:522393g41388
Chas. C. Hutchinson sextantJackson McDonald11 Feb, 22:2311287559g41387
Re: I wonder how much celnav experience they had...Lu Abel11 Feb, 20:102705g41386
Re: I wonder how much celnav experience they had...Greg Rudzinski11 Feb, 18:301624g41385
I wonder how much celnav experience they had...Paul Saffo11 Feb, 17:244056g41384
Re: X-ray sextantRobert Eno11 Feb, 07:2615168g41383
Re: Deriving the Bygrave equationsGary LaPook11 Feb, 06:322603g41382
Re: X-ray sextantFrank Reed10 Feb, 21:054412g41381
X-ray sextantJackson McDonald10 Feb, 20:393426g41380
Re: NavList Twitter feedFrank Reed10 Feb, 20:284876g41379
Re: Read the vernier, get the noon latitudeBrad Morris10 Feb, 18:247946g41378
Re: Puzzled by Douglas Protractor InstructionsMartin Gardner10 Feb, 15:142195g41377
Re: Deriving the Bygrave equationsGeoffrey Kolbe10 Feb, 14:362141g41376
Re: Read the vernier, get the noon latitudeWilliam A10 Feb, 07:353497g41375
Re: Antique SextantFrank Reed9 Feb, 20:112970g41374
Re: Antique SextantJackson McDonald9 Feb, 20:047831g41373
Re: Deriving the Bygrave equationsPaul Hirose9 Feb, 18:343347g41372
Re: Antique SextantAlan S9 Feb, 18:021371g41371
Re: Antique SextantGreg Rudzinski9 Feb, 13:042799g41370
Re: Kollsman periscopic sextant mountDavid Pike9 Feb, 09:298841g41369
Re: Kollsman periscopic sextant mountGary LaPook9 Feb, 07:565175g41368
Re: Antique SextantFrank Reed9 Feb, 05:572144g41367
Re: Antique SextantAlan S9 Feb, 05:041663g41366
Re: Kollsman periscopic sextant mountRussell Crum9 Feb, 02:482073g41365
Antique SextantGreg Rudzinski8 Feb, 23:151631g41364
Re: Read the vernier, get the noon latitudeGary LaPook8 Feb, 18:576063g41363
Re: Read the vernier, get the noon latitudeWilliam A8 Feb, 18:191774g41362
Re: Vacation-time LunarsEd Popko7 Feb, 22:465975g41361
Horizon noise near ClevelandFrank Reed7 Feb, 21:569637g41360
Re: Vacation-time LunarsFrank Reed7 Feb, 20:557696g41359
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb, 18:052001g41358
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed7 Feb, 17:311732g41357
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb, 15:042674g41356
Re: Mickey Mouse's dog is backTony Oz7 Feb, 10:281809g41355
Re: Latitude by law of cosinesAndrés Ruiz7 Feb, 09:294747g41354
Re: Read the vernier, get the noon latitudeSean C7 Feb, 03:361732g41353
Re: Oblateness calculation given observer's latitudeFrank Reed7 Feb, 03:283952g41352
Re: What is your GP?Greg Rudzinski7 Feb, 01:281521g41351
Re: What is your GP?Don Seltzer7 Feb, 01:025998g41350
Re: What is your GP?Bob Goethe6 Feb, 23:461312g41349
Re: Read the vernier, get the noon latitudeFrank Reed6 Feb, 23:263823g41348
Deriving the Bygrave equationsBob Goethe6 Feb, 23:234665g41347
What is your GP?Frank Reed6 Feb, 23:082822g41346
Re: Read the vernier, get the noon latitudeDavid Pike6 Feb, 22:013758g41345
Re: Latitude by law of cosinesGary LaPook6 Feb, 21:071328g41344
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb, 21:0416513g41343
Re: Latitude by law of cosinesFrank Reed6 Feb, 20:595743g41342
Re: Read the vernier, get the noon latitudeBob Goethe6 Feb, 20:231390g41341
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb, 20:183517g41340
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb, 20:1614991g41339
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb, 20:061602g41338
Read the vernier, get the noon latitudeFrank Reed6 Feb, 19:462424g41337
Re: Oblateness calculation given observer's latitudePeter Monta5 Feb, 17:036936g41336
Re: Delta T long term formulaAntoine Couëtte5 Feb, 13:461746g41335
Re: Delta T long term formulaGeoffrey Kolbe4 Feb, 17:311511g41334
Re: Mickey Mouse's dog is backPaul Werner3 Feb, 18:1323707g41333
Delta T long term formulaPaul Hirose3 Feb, 17:384527g41332
Vacation-time Lunars (cont.)Ed Popko3 Feb, 12:2967825g41331
Vacation-time LunarsEd Popko2 Feb, 21:3265577g41330
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb, 06:209285g41329
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb, 05:4311616g41328
Re: Lunars-liteRoger W. Sinnott31 Jan, 15:0512439g41327
Satellite-derived Time and Position: A Study of Critical DependenciesDavid Pike31 Jan, 08:283674g41326
NavList Twitter feedFrank Reed31 Jan, 01:284676g41325
Re: Lunars-litePeter Monta31 Jan, 00:237422g41324
Re: Oblateness calculation given observer's latitudePeter Monta31 Jan, 00:015942g41323
Re: Mickey Mouse's dog is backNoell Wilson30 Jan, 23:211731g41322
Re: Oblateness calculation given observer's latitudeFrank Reed30 Jan, 21:523305g41321
Re: Oblateness calculation given observer's latitudePaul Hughes30 Jan, 11:181764g41320
Planned GNSS denial in the USDavid Pike30 Jan, 12:132584g41319
Re: Mickey Mouse's dog is backGary LaPook30 Jan, 07:071265g41318
Re: Mickey Mouse's dog is backSean C30 Jan, 04:202801g41317
Re: Lunars-liteRoger W. Sinnott30 Jan, 02:3415182g41316
Mickey Mouse's dog is backGary LaPook30 Jan, 01:351548g41315
Re: Oblateness calculation given observer's latitudePeter Monta30 Jan, 00:083310g41314
Re: Lunars-litePeter Monta29 Jan, 23:594427g41313
Re: Lunars-litePeter Monta29 Jan, 23:324467g41312
Re: Oblateness calculation given observer's latitudeEd Popko29 Jan, 20:482083g41311
Re: Oblateness calculation given observer's latitudeFrank Reed29 Jan, 20:124552g41310
Oblateness calculation given observe r’s latitudeEd Popko29 Jan, 19:232171g41309
Lunars-liteRoger W. Sinnott29 Jan, 12:155658g41308
Re: Artifical HorizonAlan S28 Jan, 01:401681g41307
Re: Artifical HorizonTerry Syrokosz27 Jan, 20:552502g41306
Re: Margetts' 1790 Longitude TablesFrancis Upchurch27 Jan, 07:033941g41305
Re: Margetts' 1790 Longitude TablesEd Popko26 Jan, 20:282766g41304
Re: Margetts' 1790 Longitude TablesFrank Reed26 Jan, 18:553967g41303
Margetts' 1790 Longitude TablesEd Popko26 Jan, 15:081507g41302
Re: Artifical HorizonGreg Rudzinski26 Jan, 12:594220g41301
Re: Question about old sextantAndrés Ruiz26 Jan, 10:20229424g41300
Re: Artifical HorizonDavid Pike26 Jan, 10:037327g41299
Re: Question about old sextantRobert H. van Gent26 Jan, 10:0212401g41298
Re: Artifical HorizonAndrés Ruiz26 Jan, 09:504641g41297
Re: Question about old sextantWolfgang Köberer26 Jan, 09:1527995g41296
Re: Some Link A12 Sextant QuestionsKen Gebhart26 Jan, 04:547535g41295
Re: Artifical HorizonTerry Syrokosz26 Jan, 02:361907g41294
Re: Artifical HorizonTerry Syrokosz26 Jan, 02:222150g41293
Re: Moon sight reductionTerry Syrokosz25 Jan, 23:111995g41292
Re: Artifical HorizonGreg Rudzinski25 Jan, 23:073673g41291
Re: Moon sight reductionTerry Syrokosz25 Jan, 22:591836g41290
Re: Some Link A12 Sextant QuestionsDavid Pike25 Jan, 22:333360g41289
Re: Artifical HorizonDavid Pike25 Jan, 22:002979g41288
Re: Moon sight reductionGary LaPook25 Jan, 21:514509g41287
Re: Moon sight reductionStan K25 Jan, 21:304003g41286
Re: Artifical HorizonGreg Rudzinski25 Jan, 20:391573g41285
Re: Question about old sextantPeter Monta25 Jan, 19:294262g41284
Question about old sextantGerman Diaz25 Jan, 17:372661g41283
Artifical HorizonTerry Syrokosz25 Jan, 17:461431g41282
Moon sight reductionTerry Syrokosz25 Jan, 17:411399g41281
Re: Some Link A12 Sextant QuestionsGeoffrey Kolbe25 Jan, 13:211724g41280
Useful modifications to the Polhemus computerGary LaPook25 Jan, 11:4315897g41279
Re: Some Link A12 Sextant QuestionsAndrés Ruiz25 Jan, 09:1345267g41278
Re: DIY long-term almanac for calculatorsAndrés Ruiz25 Jan, 08:373651g41277
Re: Some Link A12 Sextant QuestionsDavid Pike24 Jan, 22:385094g41276
Re: Latitude by law of cosinesCharles McElhill24 Jan, 13:524398g41275
Re: DIY long-term almanac for calculatorsAntoine Couëtte24 Jan, 11:373282g41274
Re: DIY long-term almanac for calculatorsTony Oz24 Jan, 09:292118g41273
Re: DIY long-term almanac for calculatorsPaul Hirose23 Jan, 21:324820g41272
Re: Gnomonic charts and distancesDavid Fleming23 Jan, 20:261638g41271
Re: Latitude by law of cosinesChris Caswell23 Jan, 20:076984g41270
Re: Gnomonic charts and distancesFrank Reed23 Jan, 19:573674g41269
Re: GC Routes & Strings on GlobesFrank Reed23 Jan, 17:155498g41268
Re: Gnomonic charts and distancesRobin Stuart23 Jan, 14:4249034g41267
Re: GC Routes & Strings on GlobesGary LaPook23 Jan, 08:102885g41266
GC Routes & Strings on GlobesSean C23 Jan, 04:394124g41265
Re: Latitude by law of cosinesFrank Reed23 Jan, 00:319597g41264
Re: DIY long-term almanac for calculatorsMurray Peake22 Jan, 23:112267g41263
Re: Latitude by law of cosinesChris Caswell22 Jan, 23:051444g41262
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 20:43170411g41261
Re: Gnomonic charts and distancesFrank Reed22 Jan, 19:355782g41260
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 19:1110969g41259
Gnomonic charts and distancesBob Goethe22 Jan, 19:071856g41258
Supermoon maniaFrank Reed22 Jan, 18:432348g41257
Re: Some Link A12 Sextant QuestionsTracy Shrier22 Jan, 18:412713g41256
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 18:14172096g41255
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 16:538038g41254
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 16:293728g41253
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 15:509785g41252
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan, 13:08824649g41251
Re: Gnomonic Charts - Usable ZonesEd Popko22 Jan, 10:381378g41250
Re: Some Link A12 Sextant QuestionsGary LaPook22 Jan, 07:151673g41249
Re: Flight Levels CelNav: 01/10/2018Gary LaPook22 Jan, 07:0411380g41248
Re: Gnomonic Charts - Usable ZonesFrank Reed22 Jan, 06:005458g41247
Re: Some Link A12 Sextant QuestionsPaul Hirose22 Jan, 05:283103g41246
Flight Levels CelNav: 01/10/2018Tracy Shrier22 Jan, 05:186310g41245
Re: Gnomonic Charts - Usable ZonesStan K22 Jan, 00:0411697g41244
Re: Some Link A12 Sextant QuestionsTracy Shrier21 Jan, 22:366130g41243
2017 Bowditch ErrataAntonio Sauci21 Jan, 21:494843g41242
Some Link A12 Sextant QuestionsDavid Pike21 Jan, 16:119949g41241
Re: Ex-meridian table methodologyGreg Rudzinski21 Jan, 14:129475g41240
Ex-meridian table methodologyJeremy C21 Jan, 04:525498g41239
Re: Gnomonic Charts - personal experience/challengeJeremy C20 Jan, 23:371807g41238
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan, 23:256070g41237
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan, 21:148289g41236
Re: Semi-diameter of moonFrank Reed20 Jan, 20:523434g41235
Semi-diameter of moonBob Goethe20 Jan, 20:252002g41234
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan, 17:3113146g41233
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan, 13:387527g41232
Re: Call for Papers reminder: History of navigation conferenceFrank Reed20 Jan, 02:002034g41231
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan, 18:276967g41230
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz19 Jan, 17:324082g41229
Re: The "mysterious" John Karl's book formulasAndrés Ruiz19 Jan, 17:214564g41228
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 16:541489g41227
Re: Gnomonic Charts - Usable ZonesJohn D. Howard19 Jan, 16:382612g41226
Re: Gnomonic Charts - Usable ZonesStan K19 Jan, 16:2810178g41225
Re: Gnomonic Charts - Usable ZonesStan K19 Jan, 16:24368660g41224
Re: Gnomonic Charts - Usable ZonesAntoine Couëtte19 Jan, 16:245200g41223
Re: Gnomonic Charts - Usable ZonesRobin Stuart19 Jan, 16:0646794g41222
Re: Gnomonic Charts - Usable ZonesGreg Rudzinski19 Jan, 15:087169g41221
Re: DIY long-term almanac for calculatorsAndrés Ruiz19 Jan, 10:554298g41220
Re: Gnomonic Charts - Usable ZonesSean C19 Jan, 09:174245g41219
Re: Gnomonic Charts - Usable ZonesPaul Hirose19 Jan, 08:493746g41218
Navigating with GPS, opticallyPeter Monta19 Jan, 08:42728248g41217
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 06:473481g41216
The "mysterious" John Karl's book formulasAntonio Sauci19 Jan, 05:284793g41215
Re: Latitude by law of cosinesFrank Reed19 Jan, 05:238414g41214
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan, 03:095302g41213
Gnomonic Charts - Usable ZonesBob Goethe19 Jan, 02:432002g41212
Re: Archeological Celestial QuestionPaul Hirose18 Jan, 22:444179g41211
Re: Archeological Celestial QuestionDon Seltzer18 Jan, 21:084360g41210
Re: DIY long-term almanac for calculatorsFrank Reed18 Jan, 20:416934g41209
Re: DIY long-term almanac for calculatorsPaul Hirose18 Jan, 19:373577g41208
Re: Archeological Celestial QuestionFrank Reed18 Jan, 19:1513128g41207
Re: Archeological Celestial QuestionPaul Saffo18 Jan, 15:154552g41206
Re: Archeological Celestial QuestionTony Oz18 Jan, 14:282573g41205
Re: DIY long-term almanac for calculatorsBruce Cutting17 Jan, 20:185068g41204
Archeological Celestial QuestionMark Coady17 Jan, 18:336743g41203
Re: Shadow sights for longitudeJohn A Brown17 Jan, 18:083585g41202
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan, 09:591856g41201
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan, 09:433476g41200
Re: Flight Levels CelNav; 11/10/2017Tracy Shrier17 Jan, 05:433449g41199
Re: DIY long-term almanac for calculatorsPaul Hirose17 Jan, 05:324268g41198
Re: Latitude by law of cosinesFred Hebard17 Jan, 05:025708g41197
Re: USS Fitzgerald collision with container shipGary LaPook17 Jan, 01:381834g41196
Re: Latitude by law of cosinesChris Caswell16 Jan, 22:202194g41195
Re: DIY long-term almanac for calculatorsMurray Peake16 Jan, 10:476682g41194
Re: Latitude by law of cosinesFrank Reed15 Jan, 23:513826g41193
Re: Latitude by law of cosinesChris Caswell15 Jan, 23:211448g41192
Re: Degree symbol anomalyRobert Bernecky15 Jan, 21:582310g41191
Re: Degree symbol anomalyFrank Reed15 Jan, 16:599341g41190
Re: DIY long-term almanac for calculatorsAntoine Couëtte15 Jan, 16:421759g41189
DIY long-term almanac for calculatorsTony Oz15 Jan, 10:523917g41188
Degree symbol anomalyPaul Hirose15 Jan, 08:032960g41187
Re: Latitude by law of cosinesRobert Bernecky15 Jan, 01:3810006g41186
Latitude by law of cosinesChris Caswell14 Jan, 22:081893g41185
Re: SHA vs RAGary LaPook14 Jan, 22:039810g41184
Re: Shadow sights for longitudeGreg Rudzinski14 Jan, 19:0828423g41183
Re: SHA vs RADavid Pike14 Jan, 17:493699g41182
Re: SHA vs RAFrank Reed14 Jan, 16:407979g41181
SHA vs RABob Goethe14 Jan, 15:501380g41180
Re: Flight Levels CelNav; 11/10/2017David Pike14 Jan, 13:004334g41179
Re: Shadow sights for longitudeFrank Reed14 Jan, 08:365208g41178
Re: Shadow sights for longitudeJohn A Brown14 Jan, 08:015338g41177
Re: Shadow sights for longitudeGeoffrey Kolbe14 Jan, 07:4015325g41176
Re: Etymology of "loom"?Markus O.14 Jan, 04:112263g41175
Re: Shadow sights for longitudeBrad Morris13 Jan, 20:057223g41174
Re: Shadow sights for longitudeDavid Fleming13 Jan, 18:477406g41173
Re: The Easy LunarsCharles McElhill13 Jan, 09:531776g41172
Re: Shadow sights for longitudeDavid Pike13 Jan, 08:023082g41171
Re: Shadow sights for longitudeGeoffrey Kolbe13 Jan, 07:266394g41170
Re: Shadow sights for longitudePeter Monta13 Jan, 04:434325g41169
Re: Shadow sights for longitudeDavid Fleming13 Jan, 03:40232351g41168
Re: Shadow sights for longitudeMark Knudsen13 Jan, 01:156218g41167
Re: The Easy LunarsSean C12 Jan, 23:432876g41166
The Easy LunarsCharles McElhill12 Jan, 22:083140g41165
Re: Shadow sights for longitudeDavid Fleming12 Jan, 21:062923g41164
Re: Shadow sights for longitudeMark Knudsen12 Jan, 19:311919g41163
Re: Shadow sights for longitudeMark Knudsen12 Jan, 18:542113g41162
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan, 18:083219g41161
Star identification via Bygrave formulasPaul Hirose12 Jan, 16:484482g41160
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan, 12:353132g41159
Re: Reduction of occultation of starsRoger W. Sinnott12 Jan, 01:437362g41158
Re: Reduction of occultation of starsAntoine Couëtte11 Jan, 22:502608g41157
Re: Shadow sights for longitudeJohn Rizzuto11 Jan, 21:221465g41156
Re: Reduction of occultation of starsMurray Peake11 Jan, 18:041375g41155
Re: Reduction of occultation of starsMurray Peake11 Jan, 16:472667g41154
Re: Reduction of occultation of starsRoger W. Sinnott11 Jan, 16:428848g41153
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz11 Jan, 16:232648g41152
Re: Shadow sights for longitudeJohn A Brown11 Jan, 16:0317123g41151
Re: Soviet navy emergency navigation manual (Pub.9049)Andrew Nikitin11 Jan, 13:321845g41150
Re: Reduction of occultation of starsAntoine Couëtte11 Jan, 11:1811104g41149
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan, 19:543513g41148
Re: Cotter's "History of Nautical Astronomy" on ebayDavid C10 Jan, 19:042283g41147
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed10 Jan, 18:224369g41146
Re: Reduction of occultation of starsMurray Peake10 Jan, 18:011467g41145
Re: Soviet navy emergency navigation manual (Pub.9049)Bob Goethe10 Jan, 17:511607g41144
Re: Reduction of occultation of starsRobin Stuart10 Jan, 16:2547450g41143
Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan, 16:253403g41142
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte10 Jan, 11:318909g41141
Reduction of occultation of starsMurray Peake9 Jan, 20:382810g41140
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan, 19:132786g41139
Re: A noon fix inland with an peri-sextantBrad Morris9 Jan, 18:2116681g41138
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan, 17:561402g41137
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan, 16:519651g41136
Re: Latitude by two stars ...on a Party BoatBob Crawley9 Jan, 16:356392g41135
Shadow sights for longitudeJohn A Brown9 Jan, 15:5317066g41134
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte9 Jan, 15:337861g41133
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan, 14:336715g41132
Re: GPS Anti Spoof appEd Popko9 Jan, 11:351487g41131
Re: 'Standard' Dome Refraction TableDavid Pike9 Jan, 10:226207g41130
Re: Flight Levels CelNav; 11/10/2017Gary LaPook9 Jan, 09:573987g41129
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan, 09:484535g41128
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan, 03:3413033g41127
Re: Coriolis Acceleration -- A general caseGary LaPook8 Jan, 23:103851g41126
Re: GPS Anti Spoof appGreg Rudzinski8 Jan, 22:342106g41125
Re: Flight Levels CelNav; 11/10/2017David Pike8 Jan, 21:003393g41124
Re: GPS Anti Spoof appEd Popko8 Jan, 20:203070g41123
Re: GPS Anti Spoof appFrank Reed8 Jan, 20:0010169g41122
Re: A noon fix inland with an peri-sextantDavid Pike8 Jan, 19:1810785g41121
Re: 'Standard' Dome Refraction TableFrank Reed8 Jan, 18:594901g41120
Re: 'Standard' Dome Refraction TableTracy Shrier8 Jan, 17:203123g41119
Re: A noon fix inland with an peri-sextantMark Knudsen8 Jan, 16:432184g41118
Re: Flight Levels CelNav; 11/10/2017Antoine Couëtte8 Jan, 15:321851g41117
Re: Coriolis Acceleration -- A general caseAntoine Couëtte8 Jan, 14:117759g41116
Re: A noon fix inland with an peri-sextantAntoine Couëtte8 Jan, 10:527595g41115
Flight Levels CelNav; 11/10/2017Tracy Shrier8 Jan, 05:026911g41114
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan, 04:405729g41113
Re: A noon fix inland with an peri-sextantAntoine Couëtte7 Jan, 19:237935g41112
Re: Lunar distance and nautical almanacDucruy Jacques7 Jan, 15:521907g41111
Re: Lunar distance and nautical almanacWolfgang Köberer7 Jan, 11:5626896g41110
'Standard' Dome Refraction TableDavid Pike6 Jan, 22:275345g41109
Re: Solstice Sun LinesDavid Pike6 Jan, 22:063871g41108
Re: Lunar distance and nautical almanacDucruy Jacques6 Jan, 12:362072g41107
Re: Solstice Sun LinesBrian Walton6 Jan, 04:504183g41106
Re: Solstice Sun LinesTracy Shrier6 Jan, 03:012741g41105
Re: Solstice Sun LinesTracy Shrier6 Jan, 02:042889g41104
Re: Lunar distance and nautical almanacPeter Monta6 Jan, 00:025924g41103
Re: Latitude by two stars ...on a Party BoatFrank Reed5 Jan, 23:4210723g41102
Lunar distance and nautical almanacDucruy Jacques5 Jan, 21:351974g41101
Re: GPS Anti Spoof appDavid Pike5 Jan, 20:263414g41100
Re: Latitude by two stars ...on a Party BoatBob Crawley5 Jan, 08:156882g41099
Re: Time-lapse movie with starsFrank Reed5 Jan, 07:238284g41098
"Bomb Cyclone" GRIBSean C5 Jan, 06:154838g41097
Call for Papers reminder: History of navigation conferenceRichard Dunn4 Jan, 15:2411120g41096
Time-lapse movie with starsPeter Monta4 Jan, 02:043906g41095
Re: Time zones article (from quartz/qz.com)Peter Van Dine3 Jan, 04:582210g41094
Time zones article (from quartz/qz.com)Jackson McDonald3 Jan, 01:2215563g41093
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan, 22:444290g41092
Re: GPS Anti Spoof appFrank Reed1 Jan, 21:017774g41091
Re: GPS Anti Spoof appAndrés Ruiz1 Jan, 18:283601g41090

Index includes 2572 messages.

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