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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

January, 2021

Index includes 255 messages. Sorted by date, recent messages first.

                    
Re: What constitutes Round The World (RTW) ?Bill Lionheart31 Jan, 15:50
What constitutes Round The World (RTW) ?Bob Crawley31 Jan, 14:04
No Sunday "Office Hours" tomorrow (Jan 31)Frank Reed31 Jan, 02:19
Re: 1946 US Coast Guard SextantRobert VanderPol II30 Jan, 20:46
Re: 1946 US Coast Guard SextantSean C30 Jan, 06:25
Re: 1946 US Coast Guard SextantMichael Cain30 Jan, 01:42
Tatakoto subSunFrank Reed30 Jan, 01:09
1946 US Coast Guard SextantCarl Main29 Jan, 23:55
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Peter Monta29 Jan, 21:19
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?John Clements29 Jan, 19:33
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Simon Horwith29 Jan, 19:32
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Frank Reed29 Jan, 18:51
Online meeting today 2000 UT (3pm EST, noon PST)Frank Reed29 Jan, 17:36
Re: AstrolabesGary LaPook29 Jan, 08:51
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Tony Oz29 Jan, 08:28
Re: The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Frank Reed28 Jan, 18:59
Re: AstrolabesGeoffrey Kolbe28 Jan, 14:44
The "Online Nautical Almanac (UPDATED)" to accept dates in the ISO-8601 format?Tony Oz28 Jan, 11:19
Re: Eye cup for my sextantBrandon Michael Morgan28 Jan, 04:29
Re: Eye cup for my sextantSimon Horwith28 Jan, 02:39
Re: Eye cup for my sextantRobert Swartz28 Jan, 02:00
Re: HO 208 vs Compact NA tables.Greg Rudzinski27 Jan, 23:58
Re: Excel AlmanacSean C27 Jan, 22:47
Re: HO 208 vs Compact NA tables.Gary LaPook27 Jan, 07:13
Re: Astro slide ruleAlan S27 Jan, 00:23
Re: HO 208 vs Compact NA tables.David C26 Jan, 21:57
Re: HO 208 vs Compact NA tables.Tibor Miseta26 Jan, 21:55
Re: HO 208 vs Compact NA tables.David C26 Jan, 21:11
Re: HO 208 vs Compact NA tables.Greg Rudzinski26 Jan, 20:51
Eye cup for my sextantBrandon Michael Morgan26 Jan, 20:06
Re: HO 208 vs Compact NA tables.Gary LaPook26 Jan, 18:51
Celestial Navigation 19th Century Methods WorkshopFrank Reed26 Jan, 18:46
Re: HO 208 vs Compact NA tables.Frederick Curtis26 Jan, 17:59
Re: NOAA Competition: MagNet: Model the Geomagnetic FieldFrank Reed26 Jan, 17:59
NOAA Competition: MagNet: Model the Geomagnetic FieldJohn Carbone26 Jan, 14:01
Re: AstrolabesEd Popko26 Jan, 12:46
Re: AstrolabesGary LaPook26 Jan, 08:27
Re: AstrolabesHerman Dekker26 Jan, 08:19
Re: AstrolabesGeoffrey Kolbe26 Jan, 08:15
Re: AstrolabesGary LaPook26 Jan, 08:09
Re: AstrolabesGeoffrey Kolbe26 Jan, 05:45
Re: Polhemus Celestial Computer and Coriolis CorrectionGary LaPook25 Jan, 20:20
Re: AstrolabesFrank Reed25 Jan, 18:08
Re: NY Times Article on GPSSimon Horwith25 Jan, 17:19
AstrolabesBob Goethe25 Jan, 17:10
Re: NY Times Article on GPSFrank Reed25 Jan, 16:52
Re: NY Times Article on GPSRobert Swartz25 Jan, 16:43
Re: Polhemus Celestial Computer and Coriolis CorrectionEd Popko25 Jan, 16:38
Re: Polhemus Celestial Computer and Coriolis CorrectionGary LaPook25 Jan, 06:32
Re: NY Times Article on GPSDoug Faunt25 Jan, 00:16
Re: NY Times Article on GPSBill B24 Jan, 23:59
Re: Online meeting today 2300 UT (6pm EST)Frank Reed24 Jan, 21:24
Re: NY Times Article on GPSRobert Goldberg24 Jan, 19:15
Re: A-10 Bubble Sextant AssemblyNoell Wilson24 Jan, 18:58
NY Times Article on GPSChris Post24 Jan, 15:36
Re: Polhemus Celestial Computer and Coriolis CorrectionEd Popko24 Jan, 10:43
Re: Polhemus Celestial Computer and Coriolis CorrectionGary LaPook24 Jan, 02:20
Re: A-10 Bubble Sextant AssemblyGary LaPook24 Jan, 02:17
Re: A-10 Bubble Sextant AssemblyGary LaPook24 Jan, 02:16
Re: Polhemus Celestial Computer and Coriolis CorrectionGary LaPook24 Jan, 02:08
Polhemus Celestial Computer and Coriolis CorrectionEd Popko24 Jan, 00:09
Reconditioned Link A-12 Aircraft Bubble Sextant For SaleRobert Swartz23 Jan, 21:35
A-10 Bubble Sextant AssemblyNoell Wilson23 Jan, 20:25
Two More free WebinarsDavid Pike23 Jan, 19:37
Re: Excel AlmanacDavid Pike23 Jan, 19:08
Re: Excel AlmanacGeoffrey Kolbe23 Jan, 18:45
Re: Modern Celestial ONE: Sextants & Sun SightsSam Lyness23 Jan, 17:05
Re: CP-300/U USAF Star FinderEd Popko23 Jan, 12:21
Re: Excel AlmanacSean C23 Jan, 11:37
Re: GPS AntiSpoof and integrating sextants?Bill Ritchie23 Jan, 10:28
Re: CP-300/U USAF Star FinderGary LaPook23 Jan, 10:22
Re: Question about LoP's and Intercepts on a Mercator ChartDavid Iwancio23 Jan, 09:56
Re: CP-300/U USAF Star FinderAlan S22 Jan, 23:10
Re: Online meeting Friday 2000 UTFrank Reed22 Jan, 18:04
Modern Celestial ONE: Sextants & Sun SightsFrank Reed22 Jan, 17:10
Re: GPS AntiSpoof and integrating sextants?Tony Oz22 Jan, 14:38
Re: GPS AntiSpoof and integrating sextants?David Pike22 Jan, 09:45
Re: GPS AntiSpoof and integrating sextants?Tony Oz22 Jan, 09:02
Re: Soviet star globe with Latin inscriptionsSean C22 Jan, 07:48
Online meeting Friday 2000 UTFrank Reed22 Jan, 02:14
Re: GPS AntiSpoof and integrating sextants?David Pike21 Jan, 23:26
GPS AntiSpoof and integrating sextants?Tony Oz21 Jan, 21:23
Jan Huygen van LinschotenBob Goethe21 Jan, 19:11
Re: Soviet star globe with Latin inscriptionsTony Oz21 Jan, 18:16
Re: Soviet star globe with Latin inscriptionsDave Walden21 Jan, 18:15
Re: Soviet star globe with Latin inscriptionsFrank Reed21 Jan, 15:40
Re: Question about LoP's and Intercepts on a Mercator ChartFrank Reed21 Jan, 15:34
Soviet star globe with Latin inscriptionsTony Oz21 Jan, 15:16
Question about LoP's and Intercepts on a Mercator ChartDavid Iwancio21 Jan, 06:23
M. Low USN MKIII MOD-0 - Illumination issueJohn Rizzuto20 Jan, 22:55
Re: Your Earth is too cloudyFrank Reed20 Jan, 03:18
Re: Your Earth is too cloudyJim Rives19 Jan, 23:41
Re: Flat BygraveAlan S19 Jan, 22:05
Re: Flat BygraveGary LaPook19 Jan, 20:09
Your Earth is too cloudyFrank Reed19 Jan, 18:09
Re: Thomas Sumner & Probus (656 tons)Dave Walden19 Jan, 17:08
Flat BygraveAlan S19 Jan, 04:16
Re: Circular slide rule type deviceDave Walden18 Jan, 22:44
Re: Thomas Sumner & Probus (656 tons)Hewitt Schlereth18 Jan, 21:11
Re: Thomas Sumner & Probus (656 tons)Frank Reed18 Jan, 19:19
Thomas Sumner & Probus (656 tons)Bruce J. Pennino18 Jan, 18:09
Re: Circular slide rule type deviceRonald van Riet18 Jan, 08:56
Re: Navigation star namesFrank Reed18 Jan, 04:25
Circular slide rule type deviceAlan S18 Jan, 04:18
Re: Azimuth computation formula in Pub. 229Rafael C. Caruso17 Jan, 17:35
Re: Azimuth computation formula in Pub. 229Rafael C. Caruso17 Jan, 17:35
Re: Online meeting todayFrank Reed17 Jan, 17:17
Re: Azimuth computation formula in Pub. 229Lars Bergman17 Jan, 11:11
Navigation star namesFrank Reed17 Jan, 04:13
Re: Azimuth computation formula in Pub. 229David C17 Jan, 03:52
Re: Azimuth computation formula in Pub. 229David C17 Jan, 03:09
Re: Azimuth computation formula in Pub. 229David C17 Jan, 03:03
Azimuth computation formula in Pub. 229Rafael C. Caruso16 Jan, 22:20
Space station sextant returned to EarthPaul Hirose16 Jan, 22:03
Re: Aeronautical Periscopic Bubble SextantFrank Reed16 Jan, 19:59
Re: Aeronautical Periscopic Bubble SextantCam Brien16 Jan, 19:52
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacFrank Reed16 Jan, 18:36
The Past, Present and Future of Nautical Information for Leisure SailorsDavid Pike16 Jan, 18:35
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacRichard Toohey16 Jan, 11:33
Re: Excel AlmanacSean C16 Jan, 08:51
Kollsman D1 Periscopic Sextant with mountRobert Swartz16 Jan, 06:39
Re: Aeronautical Periscopic Bubble SextantGary LaPook16 Jan, 06:33
Kollsman Sextants' NomenclatureRobert Swartz16 Jan, 06:28
RE. Kollsman MA2 SextantRobert Swartz16 Jan, 06:08
Re: Traditional navigation by slide ruleSean C15 Jan, 23:27
Re: Free Downloadable Electronic Navigation GuideAlan S15 Jan, 23:27
Free Downloadable Electronic Navigation GuideDavid Pike15 Jan, 21:11
Re: Online meeting todayFrank Reed15 Jan, 19:42
Re: Introduction and set of HO 214Hewitt Schlereth15 Jan, 18:50
Re: Traditional navigation by slide ruleFrancis Upchurch15 Jan, 16:56
Re: Introduction and set of HO 214Bob Peterson15 Jan, 15:21
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacDavid Iwancio15 Jan, 04:03
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 23:46
Re: Patrick O'Brian characters discuss time and longitudeJim Sergovic14 Jan, 23:44
Re: IntroductionRichard Toohey14 Jan, 23:27
Aeronautical Periscopic Bubble SextantCam Brien14 Jan, 22:41
Re: Old Sextant - Charles HutchinsonFrank Reed14 Jan, 21:32
Reflecting CircleBill Ritchie14 Jan, 20:51
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 17:07
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 16:55
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 16:52
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 16:51
Re: Old Sextant - Charles HutchinsonCarl Main14 Jan, 16:49
Re: Old Sextant - Charles HutchinsonFrank Reed14 Jan, 16:34
Re: IntroductionR William McAllister14 Jan, 15:54
Re: Old Sextant - Charles HutchinsonJohn Rizzuto14 Jan, 15:40
Re: IntroductionRobert VanderPol II14 Jan, 13:18
Re: Old Sextant - Charles HutchinsonBill Lionheart14 Jan, 08:52
Re: IntroductionR William McAllister14 Jan, 07:07
Re: Old Sextant - Charles HutchinsonDavid C14 Jan, 02:37
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacRichard Toohey14 Jan, 01:48
Re: Traditional navigation by slide ruleAlan S14 Jan, 01:21
Re: Old Sextant - Charles HutchinsonAlan S14 Jan, 01:07
Re: IntroductionRichard Toohey14 Jan, 00:57
Re: IntroductionRichard Toohey14 Jan, 00:53
Re: Old Sextant - Charles HutchinsonRobert VanderPol II14 Jan, 00:44
Re: IntroductionRobert VanderPol II14 Jan, 00:37
Old Sextant - Charles HutchinsonCarl Main13 Jan, 23:48
Re: IntroductionHewitt Schlereth13 Jan, 23:23
Winter celestial navigation workshopsFrank Reed13 Jan, 21:21
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacDavid Iwancio13 Jan, 21:21
Re: IntroductionRichard Toohey13 Jan, 20:39
Re: IntroductionAlexandre Eremenko13 Jan, 19:35
IntroductionRichard Toohey13 Jan, 18:58
Re: Digital SextantKen Gebhart13 Jan, 17:19
Re: Digital SextantFrank Reed13 Jan, 16:26
Re: Digital SextantFrank Reed13 Jan, 15:58
Digital SextantSung Cho13 Jan, 15:56
Re: Moon Phases 2021 Including Libration and Position AngleFrank Reed13 Jan, 02:07
Moon Phases 2021 Including Libration and Position AngleEd Popko12 Jan, 18:54
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacHerman Dekker12 Jan, 17:50
Re: Sun's SD to 0.01' (-ish) from Nautical AlmanacFrank Reed12 Jan, 17:06
Sun's SD to 0.01' (-ish) from Nautical AlmanacDavid Iwancio12 Jan, 11:57
Solar Eclipses in high latitudesBob Crawley12 Jan, 09:43
Re: Own sextant - always betterGreg Rudzinski11 Jan, 02:39
Re: Own sextant - always betterRommel John Miller10 Jan, 22:56
Own sextant - always betterIgor S.10 Jan, 22:14
Re: Afternoon SightDavid C10 Jan, 21:12
Re: Online meeting todayFrank Reed10 Jan, 20:30
Re: An Evening with Map Projections - Free WebinarSean C10 Jan, 19:19
Re: An Evening with Map Projections - Free WebinarFrank Reed10 Jan, 18:51
Re: Willmann-Bell closed?Andy Howse10 Jan, 12:53
Re: Willmann-Bell closed?Bela Kovacs10 Jan, 10:29
Re: Afternoon SightDavid Pike10 Jan, 09:31
Afternoon SightDavid C10 Jan, 03:10
Re: Willmann-Bell closed?David Iwancio10 Jan, 02:43
Re: Willmann-Bell closed?Frank Reed10 Jan, 01:03
Re: Willmann-Bell closed?Frank Reed9 Jan, 23:39
Re: Willmann-Bell closed?Wayne Hilliard9 Jan, 23:26
Willmann-Bell closed?John Clements9 Jan, 21:54
Re: Excel AlmanacSean C9 Jan, 09:55
Online meeting todayFrank Reed8 Jan, 15:40
Re: Excel AlmanacWolfgang Hasper8 Jan, 08:00
Re: Lifeboat sextant instruction bookletAlan S8 Jan, 04:01
Re: Bridge sextantsMurray Buckman8 Jan, 00:26
Re: Excel AlmanacSean C8 Jan, 00:16
Re: Bridge sextantsMurray Buckman8 Jan, 00:06
Re: Excel AlmanacSean C8 Jan, 00:02
Re: Excel AlmanacMurray Peake7 Jan, 23:36
Bridge sextantsFrank Reed7 Jan, 22:47
Re: Lifeboat sextant instruction bookletAlan S7 Jan, 18:54
Re: Excel AlmanacHerman Dekker7 Jan, 18:37
Re: Excel AlmanacDave Walden7 Jan, 15:28
Re: Obscure Nautical Almanac starCharles McElhill7 Jan, 15:24
An Evening with Map Projections - Free WebinarDavid Pike7 Jan, 15:08
RIN Submarine Navigation and Ocean Sailing webinars are now on YouTube.David Pike7 Jan, 15:02
Re: Excel AlmanacSean C7 Jan, 14:23
Computing Lunar Comparing Distances by "Plane Sailing"David Iwancio7 Jan, 12:18
Re: Excel AlmanacBill Ritchie7 Jan, 11:32
Re: Excel AlmanacSean C7 Jan, 07:38
Re: Obscure Nautical Almanac starFrank Reed7 Jan, 05:23
Re: Negative leap second?David Iwancio6 Jan, 19:14
Re: Excel AlmanacHerman Dekker6 Jan, 15:13
Re: Negative leap second?Richard B. Langley6 Jan, 14:25
Re: Excel AlmanacSean C6 Jan, 08:46
Re: Negative leap second?David Iwancio6 Jan, 07:39
Re: Negative leap second?Sean C5 Jan, 22:16
Re: Negative leap second?Frank Reed5 Jan, 20:29
Negative leap second?Gary LaPook5 Jan, 19:55
Re: Astro slide ruleAlan S5 Jan, 00:24
Re: Royal Observatory workshopMichael Bradley4 Jan, 21:25
Royal Observatory workshopFrank Reed4 Jan, 17:12
Re: Christmas week Quizzes - Answer to Muffins QuestionDavid Pike4 Jan, 16:20
Re: Christmas week Quizzes - Answer to Muffins QuestionBill Ritchie4 Jan, 10:45
Re: Obscure Nautical Almanac starSean C4 Jan, 09:29
Reconditioning SextantsRobert Swartz4 Jan, 04:11
Re: Obscure Nautical Almanac starFrank Reed3 Jan, 19:16
Re: Obscure Nautical Almanac starFrank Reed3 Jan, 18:43
Re: Obscure Nautical Almanac starFrank Reed3 Jan, 18:27
Re: Online Meeting / Office Hours todayFrank Reed3 Jan, 17:00
Re: Obscure Nautical Almanac starRobert H. van Gent3 Jan, 13:01
Re: Christmas week Quizzes - Suggested solution to the external tangents to three circles problemDavid Pike3 Jan, 12:34
Re: Obscure Nautical Almanac starSean C3 Jan, 07:14
Re: Obscure Nautical Almanac starFrank Reed3 Jan, 04:29
Re: Catch Australia while you canGary LaPook3 Jan, 00:38
Re: Perihelion coming up in a few minutesGary LaPook3 Jan, 00:13
Re: Perihelion coming up in a few minutesDave Walden2 Jan, 23:57
Re: Catch Australia while you canDavid C2 Jan, 21:58
Re: Obscure Nautical Almanac starRobin Stuart2 Jan, 20:01
Re: Obscure Nautical Almanac starFrank Reed2 Jan, 15:41
Re: Perihelion coming up in a few minutesFrank Reed2 Jan, 15:07
Re: Perihelion coming up in a few minutesDave Walden2 Jan, 14:47
Perihelion coming up in a few minutesDave Walden2 Jan, 13:31
Re: Christmas week Quizzes - Where's my bike + Final CommentsDavid Pike2 Jan, 10:47
Re: Christmas week Quizzes - Answer to Muffins QuestionDavid Pike2 Jan, 09:34
Re: Christmas week Quizzes - Suggested solution to the external tangents to three circles problemDavid Pike2 Jan, 09:07
Catch Australia while you canGary LaPook2 Jan, 09:01
NavList message volumeFrank Reed2 Jan, 00:00
Re: Christmas week QuizzesAdrian F1 Jan, 20:58
Re: Obscure Nautical Almanac starRobin Stuart1 Jan, 19:53
Re: Online Meeting / Office Hours todayFrank Reed1 Jan, 16:33
Online Meeting / Office Hours todayFrank Reed1 Jan, 15:16
Re: Obscure Nautical Almanac starFrank Reed1 Jan, 15:09
Re: Obscure Nautical Almanac starRobin Stuart1 Jan, 13:54
Re: Christmas week QuizzesDavid Pike1 Jan, 09:26

Index includes 255 messages.

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