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

Recent Messages

Index includes 256 messages. Sorted by message ID, in descending order.
SubjectAuthorDate (UT)SizeID
Re: Latitude from two altitudesDave Walden22 May, 23:121490g39102
Re: Latitude from two altitudesJoel Silverberg22 May, 13:562408g39101
Re: Position errors for 2- and 3-body observationsLu Abel21 May, 18:325312g39100
Re: Position errors for 2- and 3-body observationsRobert VanderPol II21 May, 16:536216g39099
Second hand book shopsDavid C20 May, 09:358005g39098
Re: Curve sketching freewareTom Sult19 May, 21:405457g39097
Re: Latitude from two altitudesLars Bergman19 May, 20:501847g39096
Re: Curve sketching freewareMichael Arthur19 May, 19:502923g39095
Re: Latitude from two altitudesGreg Rudzinski19 May, 16:281807g39094
Re: Latitude from two altitudesRobin Stuart19 May, 13:331943g39093
Re: Latitude from two altitudesBill Ritchie19 May, 08:3721538g39092
Re: Latitude from two altitudesBrad Morris18 May, 22:577924g39091
Re: Latitude from two altitudesRon Jones18 May, 20:221887g39090
Re: Latitude from two altitudesTony Oz18 May, 19:501582g39089
Latitude from two altitudesFrank Reed18 May, 18:443722g39088
Re: A halo-like rainbow round the Sun: some sextant measurements.Robin Stuart17 May, 17:011617g39087
Re: A halo-like rainbow round the Sun: some sextant measurements.Frank Reed17 May, 16:192515g39086
Re: A halo-like rainbow round the Sun: some sextant measurements.Brad Morris17 May, 15:477296g39085
Re: A halo-like rainbow round the Sun: some sextant measurements.Frank Reed17 May, 14:403457g39084
Re: A halo-like rainbow round the Sun: some sextant measurements.Tony Oz17 May, 14:132763g39083
Re: A halo-like rainbow round the Sun: some sextant measurements.Frank Reed17 May, 13:422865g39082
Re: Curve sketching freewareWolfgang Hasper17 May, 12:393869g39081
A halo-like rainbow round the Sun: some sextant measurements.Tony Oz17 May, 12:043075g39080
Re: Position errors for 2- and 3-body observationsBill Lionheart17 May, 10:325514g39079
Re: Position errors for 2- and 3-body observationsDavid Pike17 May, 09:407295g39078
Re: Curve sketching freewareAndr├ęs Ruiz17 May, 09:15203762g39077
Re: Position errors for 2- and 3-body observationsSean C17 May, 03:483098g39076
Re: Position errors for 2- and 3-body observationsRandall Morrow17 May, 00:462382g39075
Position errors for 2- and 3-body observationsGeoffrey Butt16 May, 19:4413919g39074
Re: Dangerously radioactive navigation instrumentsAndy Smith16 May, 12:231784g39073
Re: Curve sketching freewareDavid Pike15 May, 19:292868g39072
Re: Curve sketching freewareRon Jones15 May, 17:182040g39071
Re: Fata Morgan images set me thinkingTony Oz15 May, 17:043647g39070
Re: Dangerously radioactive navigation instrumentsTony Oz15 May, 16:323265g39069
Re: Latitude and longitude from a photoWilliam A15 May, 15:453894g39068
Re: Curve sketching freewareFrank Reed15 May, 15:106251g39067
Re: Curve sketching freewareBill Roberts15 May, 04:401368g39066
Re: Curve sketching freewareRobert Bernecky15 May, 12:492267g39065
Re: Curve sketching freewareRon Jones14 May, 19:412500g39064
Curve sketching freewareDavid Pike14 May, 15:113362g39063
Re: Talking Countdown TimersDavid Pike14 May, 14:471545g39062
Re: Talking Countdown TimersPaul Brewer14 May, 13:391627g39061
Talking Countdown TimersDavid Pike14 May, 10:423211g39060
Re: Latitude and longitude from a photoLuc Van den Borre12 May, 19:322395g39059
Re: Latitude and longitude from a photoFrank Reed12 May, 17:443875g39058
Re: A meridian-passage latitude from JupiterDavid Pike12 May, 14:201747g39057
Re: A meridian-passage latitude from JupiterDavid Pike12 May, 12:251960g39056
Re: A meridian-passage latitude from JupiterHerman Dekker12 May, 12:331511g39055
A meridian-passage latitude from JupiterDavid Pike12 May, 07:488102g39054
Re: Sextant RepairsAlexandre Eremenko12 May, 06:192836g39053
Re: Sextant RepairsAlexandre Eremenko12 May, 06:152864g39052
Re: Latitude and longitude from a photoFrank Reed12 May, 06:022037g39051
Re: Sextant RepairsAlexandre Eremenko12 May, 05:373260g39050
Re: Sextant RepairsBill Morris12 May, 04:281968g39049
Re: Latitude and longitude from a photoW F Jones12 May, 03:264547g39048
Re: Latitude and longitude from a photoGreg Rudzinski12 May, 02:091751g39047
Re: Latitude and longitude from a photoGreg Rudzinski12 May, 01:561708g39046
Re: Latitude and longitude from a photoDon Seltzer12 May, 01:227602g39045
Re: Sextant RepairsGreg Rudzinski12 May, 01:121821g39044
Re: Latitude and longitude from a photoGreg Rudzinski12 May, 01:044527g39043
Re: Latitude and longitude from a photoWilliam A12 May, 00:382206g39042
Maybe he meant a cheap sextant??Lu Abel12 May, 00:233396g39041
Re: Sextant RepairsAlexandre Eremenko11 May, 20:252999g39040
Re: Sextant RepairsRidge White11 May, 17:142205g39039
Re: Latitude and longitude from a photoGreg Rudzinski11 May, 16:142517g39038
Re: Sextant RepairsBrad Morris11 May, 16:067682g39037
Re: Sextant RepairsJackson McDonald11 May, 15:588563g39036
Re: Sextant RepairsGreg Rudzinski11 May, 15:552579g39035
Latitude and longitude from a photoWilliam A11 May, 15:472063g39034
Re: Sextant RepairsGraham Dodd11 May, 14:352474g39033
Classes at Mystic Seaport: Lunars and ModernFrank Reed10 May, 16:172046g39032
Re: Lancaster bomber navigational computerDavid Pike10 May, 08:596820g39031
Re: Costa Concordia report in English?David Pike10 May, 08:434056g39030
Costa Concordia report in English?Frank Reed9 May, 21:453641g39029
Re: Greenwich date and time?Mike Freeman9 May, 18:162357g39028
Re: Greenwich date and time?Frank Reed9 May, 16:533822g39027
Re: Greenwich date and time?John D. Howard9 May, 16:292867g39026
Re: Greenwich date and time?Brad Morris9 May, 16:004858g39025
Re: Greenwich date and time?Noell Wilson9 May, 14:422179g39024
Re: Greenwich date and time?Stan K9 May, 14:358815g39023
Re: Greenwich date and time?Bob Goethe9 May, 14:321968g39022
Re: Lancaster bomber navigational computerRonald van Riet9 May, 08:182780g39021
Re: Greenwich date and time?Mike Freeman9 May, 05:502810g39020
A Few Good Boats, by ColliganAlan S8 May, 23:232492g39019
Re: Lancaster bomber navigational computerDavid Pike8 May, 08:195959g39018
Re: The Ping explainedGreg Rudzinski7 May, 23:271622g39017
Re: The Ping explainedTom Sult7 May, 12:595461g39016
Lancaster bomber navigational computerJackson McDonald7 May, 12:576048g39015
Re: The Ping explainedJack Houman6 May, 23:422731g39014
Re: 19th century US NavyDon Seltzer7 May, 00:136440g39013
Re: 19th century US NavyBill Ritchie6 May, 17:234109g39012
Re: 19th century US NavyBrad Morris6 May, 14:194109g39011
Re: 19th century US NavyBrad Morris6 May, 14:094236g39010
19th century US NavyFrank Reed6 May, 13:361328g39009
Re: A tour of the Great Navigation Centers of the WorldDave Walden6 May, 13:022077g39008
Re: A tour of the Great Navigation Centers of the WorldBruce J. Pennino5 May, 23:416641g39007
Air-Navigation WorkbookDave Walden5 May, 01:112957g39006
Re: In The Heart of The Sea (Film)Alan S4 May, 22:421376g39005
Re: Admiralty Manual of Navigation Vol IIIDavid C4 May, 21:543221g39004
In The Heart of The Sea (Film)Greg Rudzinski4 May, 20:232558g39003
Re: Admiralty Manual of Navigation Vol IIIGary LaPook4 May, 19:1512832g39002
Re: Admiralty Manual of Navigation Vol IIIBill Ritchie4 May, 17:13553044g39001
Re: Bluewater cruising in small boatsTony Oz3 May, 17:482045g39000
Re: Time without a chronometer, wwv or NTPFrancis Upchurch3 May, 04:323062g38999
Time without a chronometer, wwv or NTPDavid C3 May, 03:292375g38998
Re: No Clock Longitude with LunarsFrancis Upchurch1 May, 15:492263g38997
Re: No Clock Longitude with LunarsBob Crawley1 May, 08:212625g38996
Greenwich date and time?Mike Freeman1 May, 05:323565g38995
Re: 1669 1ed Mathematical ManualFred Hebard1 May, 03:345833g38994
Re: Tamaya NC-77 AlmanacStan K30 Apr, 20:469908g38993
Re: Bluewater cruising in small boatsTony Oz30 Apr, 19:342378g38992
Re: 1669 1ed Mathematical ManualBill B30 Apr, 18:553438g38991
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr, 18:495378g38990
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr, 18:438627g38989
Re: 1669 1ed Mathematical ManualFrank Reed30 Apr, 18:315439g38988
Re: Tamaya NC-77 AlmanacGreg Rudzinski30 Apr, 17:555066g38987
Re: 1669 1ed Mathematical ManualStan K30 Apr, 17:374231g38986
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr, 17:364117g38985
1669 1ed Mathematical ManualJackson McDonald30 Apr, 16:184888g38984
Re: Lunar monthFrank Reed29 Apr, 14:393842g38983
Re: Lunar monthMike Freeman29 Apr, 08:011536g38982
Re: Real-time UT1-UTC difference.Bill Ritchie28 Apr, 20:591942g38981
Tamaya NC-77 AlmanacGreg Rudzinski28 Apr, 17:132317g38980
Re: Lunar monthHerbert Prinz28 Apr, 16:521537g38979
Re: Gunther Rules for NavigationGary LaPook28 Apr, 13:121571g38978
Real-time UT1-UTC difference.Tony Oz28 Apr, 12:542950g38977
Lunar monthMike Freeman28 Apr, 07:562389g38976
Re: Isaac Newton's TelescopeEd Popko27 Apr, 22:311455g38975
Re: Isaac Newton's TelescopeBrad Morris27 Apr, 15:123850g38974
Re: Isaac Newton's TelescopeFrank Reed27 Apr, 14:391635g38973
Re: Isaac Newton's TelescopeBrad Morris27 Apr, 14:064038g38972
Isaac Newton's TelescopeBrad Morris27 Apr, 00:141449g38971
Re: No Clock Longitude with LunarsBob Crawley26 Apr, 08:141835g38970
Re: John Wesley Powell ExpeditionDon Seltzer26 Apr, 00:265004g38969
Re: John Wesley Powell ExpeditionGreg Rudzinski25 Apr, 19:362237g38968
Re: No Clock Longitude with LunarsTony Oz25 Apr, 08:131493g38967
Re: No Clock Longitude with LunarsJohn D. Howard24 Apr, 22:111500g38966
John Wesley Powell ExpeditionDouglas Stephen24 Apr, 19:413211g38965
No Clock Longitude with LunarsFrancis Upchurch24 Apr, 19:093066g38964
Re: A tour of the Great Navigation Centers of the WorldFrancis Upchurch24 Apr, 18:432891g38963
Re: A tour of the Great Navigation Centers of the WorldRobin Stuart24 Apr, 13:243033g38962
Re: Waves & DipBrad Morris24 Apr, 11:5610933g38961
Re: Waves & DipMike Freeman24 Apr, 06:483532g38960
Re: Waves & DipMike Freeman24 Apr, 06:021521g38959
Re: Waves & DipDavid Pike23 Apr, 21:184204g38958
Re: A tour of the Great Navigation Centers of the WorldEd Popko23 Apr, 19:302163g38957
Re: Waves & DipFrank Reed23 Apr, 17:522444g38956
Re: Waves & DipBrad Morris23 Apr, 17:128153g38955
Re: Gunther Rules for NavigationEd Popko23 Apr, 12:211522g38954
Re: A tour of the Great Navigation Centers of the WorldAlexandre Eremenko23 Apr, 07:573271g38953

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