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

Found: all in date 2024

Index includes 1387 messages. Sorted by date, recent messages first.

                    
Estimating horizon from a photo on a clear nightBill Lionheart14 Dec, 14:38
Re: Neil deGrasse Tyson, nautical heretic?Sean C14 Dec, 03:10
Re: Celestial nav trainer manual 1943Frank Reed13 Dec, 17:01
Re: Celestial nav trainer manual 1943David Pike13 Dec, 16:46
Celestial nav trainer manual 1943Paul Hirose12 Dec, 20:51
Re: Time and Longitude by Jupiter's moonsRobert H. van Gent11 Dec, 17:10
Neil deGrasse Tyson, nautical heretic?Noell Wilson11 Dec, 13:15
Re: Time and Longitude by Jupiter's moonsDavid C10 Dec, 20:09
Re: Time and Longitude by Jupiter's moonsRobin Stuart9 Dec, 15:05
Re: Time and Longitude by Jupiter's moonsFrank Reed9 Dec, 02:40
B-52 Astro TrackerPeter Monta8 Dec, 23:22
[ADMIN] NavList posting by emailFrank Reed8 Dec, 19:59
Re: Mathematical tables and machine computation c.1932Frank Reed8 Dec, 18:45
Re: Time and Longitude by Jupiter's moonsFrank Reed8 Dec, 18:40
Re: Time and Longitude by Jupiter's moonsFrank Reed8 Dec, 17:17
Re: Time and Longitude by Jupiter's moonsFrank Reed8 Dec, 17:15
Re: Time and Longitude by Jupiter's moonsPeter Monta8 Dec, 12:52
Re: Time and Longitude by Jupiter's moonsSean C8 Dec, 00:58
Re: Time and Longitude by Jupiter's moonsFrank Reed7 Dec, 17:01
Re: Time and Longitude by Jupiter's moonsRobin Stuart7 Dec, 17:00
Re: Stellarium sextant pluginBill Lionheart7 Dec, 13:51
Re: Time and Longitude by Jupiter's moonsBill Ritchie4 Dec, 23:09
Re: Mathematical tables and machine computation c.1932Paul Hirose4 Dec, 20:43
Re: Mathematical tables and machine computation c.1932Alexandre Eremenko4 Dec, 18:02
Re: Time and Longitude by Jupiter's moonsSteve Gillion4 Dec, 16:54
Re: "Endurance" documentary premiereRobin Stuart4 Dec, 15:57
Re: Mathematical tables and machine computation c.1932Lu Abel4 Dec, 00:25
Mathematical tables and machine computation c.1932Paul Hirose3 Dec, 23:16
Re: SNO-M manualModris Fersters2 Dec, 19:02
Re: Time and Longitude by Jupiter's moonsLars Bergman2 Dec, 16:11
SNO-M manualNavList Visitor2 Dec, 15:35
Display digital info in sight tubeBill Lionheart2 Dec, 11:58
Re: Searching for Air Almanac 2025Michael Bradley1 Dec, 21:00
Re: Time and Longitude by Jupiter's moonsRobin Stuart1 Dec, 19:39
Re: Searching for Air Almanac 2025Joe Plazak1 Dec, 15:53
Re: Searching for Air Almanac 2025David Pike1 Dec, 12:31
Re: Searching for Air Almanac 2025Bill Ritchie30 Nov, 22:05
Re: Searching for Air Almanac 2025Art Leung30 Nov, 21:17
Re: Searching for Air Almanac 2025David Pike30 Nov, 12:34
Re: Searching for Air Almanac 2025Red Garr30 Nov, 01:21
Searching for Air Almanac 2025Michael Bradley29 Nov, 23:07
Re: Time and Longitude by Jupiter's moonsRobert H. van Gent29 Nov, 15:07
Re: Bygrave sight reduction accuracy with slide ruleBrian Walton29 Nov, 12:42
Re: Time and Longitude by Jupiter's moonsWolfgang Köberer29 Nov, 11:24
Re: Time and Longitude by Jupiter's moonsWolfgang Köberer29 Nov, 09:44
Re: What is an Astrovan and where can I get one?Paul Saffo28 Nov, 18:31
Re: Time and Longitude by Jupiter's moonsRobert H. van Gent28 Nov, 17:13
Re: What is an Astrovan and where can I get one?David Pike28 Nov, 14:18
Re: "Endurance" documentary premiereFrank Reed28 Nov, 09:51
Re: What is an Astrovan and where can I get one?Frank Reed28 Nov, 08:28
Time and Longitude by Jupiter's moonsFrank Reed28 Nov, 08:16
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook27 Nov, 09:19
Re: What is an Astrovan and where can I get one?David Pike25 Nov, 15:01
Re: A sextant in (not so) ancient BritainFrank Reed25 Nov, 03:27
What is an Astrovan and where can I get one?Frank Reed25 Nov, 02:32
Re: My first Sun/Moon fix for at least 45 years (if ever)Frank Reed25 Nov, 02:21
Re: Sinking of the BayesianNoell Wilson25 Nov, 00:05
Slightly off topic: Another Amelia Earhart videoMichael Josefsson24 Nov, 12:16
Re: "Endurance" documentary premiereRobin Stuart23 Nov, 13:25
Re: A sextant in (not so) ancient BritainSean C23 Nov, 02:02
My first Sun/Moon fix for at least 45 years (if ever)David Pike22 Nov, 21:37
Re: A sextant in (not so) ancient BritainBill Lionheart22 Nov, 21:31
Re: A sextant in (not so) ancient BritainCharles McElhill22 Nov, 20:11
Re: A sextant in (not so) ancient BritainPaul Saffo22 Nov, 19:47
Re: A sextant in (not so) ancient BritainChuck Varney22 Nov, 19:20
A sextant in (not so) ancient BritainFrank Reed22 Nov, 07:21
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook22 Nov, 06:40
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook21 Nov, 08:50
Re: Bygrave sight reduction accuracy with slide ruleBrian Walton21 Nov, 07:02
Re: Nautical almanac questionsAdrian F20 Nov, 20:17
Re: Nautical almanac questionsFrank Reed20 Nov, 20:03
Bygrave sight reduction accuracy with slide rulePaul Hirose20 Nov, 17:29
Re: Nautical almanac questionsRobert H. van Gent20 Nov, 17:00
Re: Nautical almanac questionsDavid Pike20 Nov, 11:18
Re: Nautical almanac questionsWolfgang Köberer20 Nov, 07:17
Re: Nautical almanac questionsDavid Pike19 Nov, 23:31
Re: Nautical almanac questionsWolfgang Köberer19 Nov, 19:33
Nautical almanac questionsNavList Visitor19 Nov, 18:46
Re: Grumbling about GrusFrank Reed17 Nov, 18:43
Re: Grumbling about GrusRafael C. Caruso17 Nov, 18:31
Re: Navigation Stars and EndeavourFrank Reed17 Nov, 17:28
Re: Grumbling about GrusRafael C. Caruso16 Nov, 17:07
Re: Upper and lower scale quintantsDavid Pike13 Nov, 19:20
Re: Upper and lower scale quintantsDavid Pike13 Nov, 18:16
Re: Upper and lower scale quintantsChuck Varney13 Nov, 16:11
Re: Upper and lower scale quintantsDavid Pike12 Nov, 19:54
Re: "Endurance" documentary premiereMartin Caminos12 Nov, 03:42
Re: Celestial navigation by digital photography: a curious anomalyBill Ritchie11 Nov, 22:52
Re: Celestial navigation by digital photography: a curious anomalyFrank Reed11 Nov, 16:06
Re: Celestial navigation by digital photography: a curious anomalyRobert Neff11 Nov, 14:36
Re: Celestial navigation by digital photography: a curious anomalyMatus Tejiscak11 Nov, 12:47
Re: Upper and lower scale quintantsUwe Buettner11 Nov, 10:36
Re: Celestial navigation by digital photography: a curious anomalyAntoine Couëtte11 Nov, 07:37
Re: Upper and lower scale quintantsChuck Varney11 Nov, 00:50
Re: Celestial navigation by digital photography: a curious anomalyDavid Fleming11 Nov, 00:13
Celestial navigation by digital photography: a curious anomalyFrank Reed10 Nov, 18:57
Grumbling about GrusFrank Reed10 Nov, 18:40
Re: San Martin's longitudes on Magellan's circumnavigation: luck or mastery?Frank Reed10 Nov, 18:37
Re: San Martin's longitudes on Magellan's circumnavigation: luck or mastery?Wolfgang Köberer10 Nov, 15:44
Re: San Martin's longitudes on Magellan's circumnavigation: luck or mastery?Frank Reed9 Nov, 22:48
Re: San Martin's longitudes on Magellan's circumnavigation: luck or mastery?Dave Walden8 Nov, 10:35
San Martin's longitudes on Magellan's circumnavigation: luck or mastery?Andrés Ruiz7 Nov, 10:56
Re: Marean-Kielhorn Director instruction pamphletDave Walden6 Nov, 13:00
Re: Marean-Kielhorn Director instruction pamphletAndrés Ruiz6 Nov, 05:45
Re: Marean-Kielhorn Director instruction pamphletBela Kovacs6 Nov, 03:20
Marean-Kielhorn Director instruction pamphletDave Walden5 Nov, 18:51
Re: Bubble horizon altitude correctionsThomas K5 Nov, 18:27
Re: Upper and lower scale quintantsPaul Saffo5 Nov, 18:23
Re: Upper and lower scale quintantsDavid Pike5 Nov, 18:10
Re: Precomputed celestial fix adjustmentDavid Pike5 Nov, 17:42
Re: Upper and lower scale quintantsAlexandre Eremenko5 Nov, 02:58
Re: Precomputed celestial fix adjustmentGary LaPook4 Nov, 23:10
Upper and lower scale quintantsDavid Pike4 Nov, 22:13
Re: Do you know this instrument ?David Pike4 Nov, 22:02
Re: Precomputed celestial fix adjustmentDavid Pike4 Nov, 21:31
Re: Do you know this instrument ?Paul Saffo4 Nov, 18:15
Re: Do you know this instrument ?David Pike4 Nov, 17:31
Re: Precomputed celestial fix adjustmentDavid Pike4 Nov, 17:12
Re: Precomputed celestial fix adjustmentFrank Reed4 Nov, 14:57
Re: Do you know this instrument ?Frank Reed4 Nov, 14:51
Precomputed celestial fix adjustmentPaul Hirose4 Nov, 05:18
Re: Do you know this instrument ?David Pike3 Nov, 15:53
Re: Do you know this instrument ?Art Leung3 Nov, 15:36
Re: Do you know this instrument ?Chuck Varney2 Nov, 21:57
Re: Imperial Airways SextantsPaul Hirose1 Nov, 22:33
Re: Do you know this instrument ?Gary LaPook1 Nov, 20:01
Re: Do you know this instrument ?David Pike1 Nov, 17:00
Re: Do you know this instrument ?David Pike1 Nov, 16:53
Re: Do you know this instrument ?Adrian F1 Nov, 13:24
Re: Sinking of the BayesianNoell Wilson1 Nov, 00:44
Re: Navigation Stars and EndeavourFrank Reed31 Oct, 23:40
Re: Do you know this instrument ?David Pike31 Oct, 19:49
Re: Do you know this instrument ?Murray Buckman31 Oct, 19:36
Re: Do you know this instrument ?David Pike31 Oct, 17:02
Re: Do you know this instrument ?Murray Buckman31 Oct, 16:36
Sinking of the BayesianFrank Reed31 Oct, 13:54
Re: Effects of GPS outageBill Lionheart31 Oct, 12:53
Re: Do you know this instrument ?David Pike31 Oct, 10:52
Re: Celestial navigation for pilotsGary LaPook31 Oct, 06:58
Re: Celestial navigation for pilotsGary LaPook31 Oct, 06:52
Re: Do you know this instrument ?Murray Buckman31 Oct, 03:35
Re: Antique sextantNoell Wilson31 Oct, 02:55
Re: James Caird replica voyage 1993Noell Wilson31 Oct, 02:44
Re: Quality Used Sextant - Bought a Davis Mark 3Noell Wilson31 Oct, 02:32
Imperial Airways SextantsDavid C31 Oct, 01:04
Re: Do you know this instrument ?Frank Reed30 Oct, 23:14
Re: Do you know this instrument ?David Pike30 Oct, 23:10
Re: Do you know this instrument ?Murray Buckman30 Oct, 21:00
Re: Do you know this instrument ?Frank Reed30 Oct, 18:53
Re: Do you know this instrument ?Gary LaPook30 Oct, 18:15
Re: Effects of GPS outageFrank Reed30 Oct, 15:42
Re: Effects of GPS outageDavid C29 Oct, 20:50
Re: Do you know this instrument ?Art Leung29 Oct, 19:43
Re: Derivation of the time-azimuth formulaFrank Reed29 Oct, 15:12
Effects of GPS outageFrank Reed29 Oct, 14:11
Re: Derivation of the time-azimuth formulaLars Bergman29 Oct, 13:58
Re: Do you know this instrument ?Martin Caminos29 Oct, 13:51
Re: Derivation of the time-azimuth formulaPatrick Keenan29 Oct, 12:39
Re: Celestial navigation for pilotsFrank Reed29 Oct, 11:43
Re: Derivation of the time-azimuth formulaFrank Reed29 Oct, 11:23
Re: Celestial navigation for pilotsNavList Visitor29 Oct, 06:14
Antique sextantLisa Radomski29 Oct, 01:17
Re: Do you know this instrument ?Don Seltzer28 Oct, 22:23
Re: Do you know this instrument ?David Pike28 Oct, 21:24
Re: Derivation of the time-azimuth formulaPatrick Keenan28 Oct, 20:57
Re: Do you know this instrument ?David Pike28 Oct, 20:54
Re: "Speed of Earth" installationPaul Saffo28 Oct, 17:22
Re: Do you know this instrument ?Alexandre Eremenko28 Oct, 16:57
Re: Do you know this instrument ?Denis Vannier28 Oct, 16:55
Re: Do you know this instrument ?David Pike28 Oct, 15:38
Re: Do you know this instrument ?David Pike28 Oct, 15:22
Re: Do you know this instrument ?Bill Lionheart28 Oct, 14:58
Re: Do you know this instrument ?Luc Van den Borre28 Oct, 14:50
Re: Do you know this instrument ?David Pike28 Oct, 14:47
Do you know this instrument ?Philippe Posth28 Oct, 07:59
Re: "Speed of Earth" installationFrank Reed28 Oct, 04:43
Re: "Speed of Earth" installationJohn Clements28 Oct, 04:24
Re: Celestial navigation for pilotsDavid C28 Oct, 03:14
Re: Celestial navigation for pilotsDavid Pike27 Oct, 21:20
Re: Celestial navigation for pilotsFrank Reed27 Oct, 21:00
Re: Celestial navigation for pilotsDavid Pike27 Oct, 20:23
Re: Celestial navigation for pilotsDavid Pike27 Oct, 19:03
Re: "Speed of Earth" installationFrank Reed27 Oct, 13:24
Re: Celestial navigation for pilotsFrank Reed27 Oct, 12:13
Re: Celestial navigation for pilotsFrank Reed27 Oct, 11:46
Re: Another weird Earhart theory??Kenton Spading26 Oct, 17:32
Re: Celestial navigation for pilotsR William McAllister25 Oct, 21:11
Re: Derivation of the time-azimuth formulaLars Bergman25 Oct, 20:17
Re: Celestial navigation for pilotsGary LaPook25 Oct, 19:19
Re: Celestial navigation for pilotsGary LaPook25 Oct, 19:12
Re: Celestial navigation for pilotsGary LaPook25 Oct, 18:05
Re: Celestial navigation for pilotsGary LaPook25 Oct, 17:48
"Speed of Earth" installationPaul Saffo25 Oct, 17:21
Derivation of the time-azimuth formulaPatrick Keenan25 Oct, 16:41
Re: Celestial navigation for pilotsMartin Caminos25 Oct, 14:31
Re: Navigation Stars and EndeavourHewitt Schlereth25 Oct, 00:38
Re: Another weird Earhart theory??Gary LaPook24 Oct, 18:50
Re: Navigation Stars and EndeavourFrank Reed24 Oct, 16:30
Re: Celestial navigation for pilotsDavid Pike24 Oct, 16:24
Re: Celestial navigation for pilotsArt Leung24 Oct, 15:06
Celestial navigation for pilotsMike G24 Oct, 14:49
Re: Another weird Earhart theory??Art Leung24 Oct, 14:42
Navigation Stars and EndeavourFrank Reed23 Oct, 22:23
Another weird Earhart theory??Frank Reed22 Oct, 22:23
Re: James Caird replica voyage 1993Frank Reed22 Oct, 14:32
Re: Connaissance des TempsFrank Reed22 Oct, 14:16
Re: Bubble horizon altitude correctionsFrank Reed22 Oct, 14:03
Re: Bubble horizon altitude correctionsDavid Pike21 Oct, 21:30
Re: Connaissance des TempsHuub Robroek21 Oct, 20:50
Re: Bubble horizon altitude correctionsDavid Pike21 Oct, 20:43
Re: Bubble horizon altitude correctionsArt Leung21 Oct, 15:09
Re: James Caird replica voyage 1993Frank Reed21 Oct, 12:19
Re: Bubble horizon altitude correctionsFrank Reed21 Oct, 12:06
Re: Bubble horizon altitude correctionsFrank Reed21 Oct, 11:29
Re: James Caird replica voyage 1993Michael Bradley21 Oct, 08:00
Re: James Caird replica voyage 1993Frank Reed20 Oct, 11:51
Re: Bubble horizon altitude correctionsDavid Pike20 Oct, 11:23
Re: James Caird replica voyage 1993Michael Bradley20 Oct, 11:08
Re: Moon standstill livestream from Los AngelesPaul Hirose20 Oct, 01:00
Re: Sextant Mirrors RepairAl Stewart20 Oct, 00:42
James Caird replica voyage 1993Frank Reed19 Oct, 12:56
Re: Bubble horizon altitude correctionsFrank Reed19 Oct, 12:40
"Endurance" documentary premiereFrank Reed18 Oct, 17:21
Re: Connaissance des TempsAntoine Couëtte17 Oct, 13:30
In nights of old, when monks were boldDavid Pike16 Oct, 20:50
Re: Bubble horizon altitude correctionsDavid Pike16 Oct, 20:36
Re: Bubble horizon altitude correctionsArt Leung16 Oct, 16:48
Re: Bubble horizon altitude correctionsDavid Pike15 Oct, 19:14
Re: Bubble horizon altitude correctionsGary LaPook15 Oct, 18:45
Re: Bubble horizon altitude correctionsArt Leung15 Oct, 13:11
Connaissance des TempsDale Lichtblau14 Oct, 16:50
Navigation Spreadsheets in 2025Peter Hakel13 Oct, 15:25
Re: Aurora Visible in Southern Virginia?Frank Reed12 Oct, 09:11
Re: Aurora Visible in Southern Virginia?Jeffrey Rock11 Oct, 07:47
Aurora Visible in Southern Virginia?Sean C11 Oct, 01:52
Re: Quality Used Sextant - Bought a Davis Mark 3Donn Denman10 Oct, 19:13
Re: Sextant Mirrors RepairMartin Caminos10 Oct, 18:50
Re: Sextant Mirrors RepairJean-Philippe Planas10 Oct, 16:39
Re: Sextant Mirrors RepairJean-Philippe Planas10 Oct, 15:31
Sextant Mirrors RepairMartin Caminos10 Oct, 14:44
Re: Excel for sight reductionsBill Lionheart9 Oct, 16:27
Re: Quality Used SextantFred Hebard9 Oct, 15:18
Re: Excel for sight reductionsDave Walden9 Oct, 14:28
Re: Excel for sight reductionsFrank Reed9 Oct, 09:24
Re: Quality Used SextantDonn Denman9 Oct, 00:51
Re: Excel for sight reductionsPhil N8 Oct, 22:20
Re: Quality Used SextantNavList Visitor8 Oct, 21:13
Re: Quality Used SextantDavid Pike8 Oct, 20:02
Re: Quality Used SextantDonn Denman8 Oct, 17:34
Re: Quality Used SextantFred Hebard8 Oct, 16:09
Re: Quality Used SextantDonn Denman8 Oct, 11:11
Re: Excel for sight reductionsAndy Howse8 Oct, 06:43
Re: Excel for sight reductionsAndrés Ruiz8 Oct, 03:20
Re: Excel for sight reductionsBill Lionheart7 Oct, 15:03
Re: Quality Used SextantArt Leung7 Oct, 13:19
Re: Excel for sight reductionsFrank Reed7 Oct, 12:46
Re: Excel for sight reductionsSean C7 Oct, 00:29
Re: Quality Used SextantAlexandre Eremenko6 Oct, 22:32
Re: Quality Used SextantAlexandre Eremenko6 Oct, 22:21
Re: Excel for sight reductionsDavid Pike6 Oct, 20:56
Re: Quality Used SextantFrank Reed6 Oct, 18:36
Re: Excel for sight reductionsJoão Daniel Luís6 Oct, 18:33
Re: Excel for sight reductionsDavid Pike6 Oct, 18:03
Tussles with a Mk IX A bubble sextantLawrie Elms6 Oct, 17:33
Re: Excel for sight reductionsPeter Hakel6 Oct, 15:06
Re: Excel for sight reductionsTibor Miseta6 Oct, 15:00
Re: Excel for sight reductionsDavid Pike6 Oct, 14:38
Quality Used SextantDonn Denman6 Oct, 13:17
Excel for sight reductionsPhil N6 Oct, 07:04
Re: Traditional navigation by slide ruleBrian Walton4 Oct, 01:39
Re: Correction vs. errorAndrés Ruiz3 Oct, 06:12
Re: Bubble horizon altitude correctionsMichael Josefsson2 Oct, 16:09
Re: Correction vs. errorLars Bergman30 Sep, 19:36
Re: Visting London Oct 11-15 maybe...Frank Reed30 Sep, 19:18
Re: Crashed on an alien planet... where am I?David Pike30 Sep, 19:13
Re: Visting London Oct 11-15 maybe...Bill Lionheart30 Sep, 19:02
Visting London Oct 11-15 maybe...Frank Reed30 Sep, 18:10
Re: Correction vs. errorFrank Reed30 Sep, 17:46
Re: Crashed on an alien planet... where am I?Frank Reed30 Sep, 17:13
Re: Crashed on an alien planet... where am I?Frank Reed30 Sep, 16:34
Re: Crashed on an alien planet... where am I?Frank Reed30 Sep, 15:28
Re: Agnostic gnomon and horary errorFrank Reed30 Sep, 14:38
Re: Bubble horizon altitude correctionsDavid Pike30 Sep, 12:18
Re: Bubble horizon altitude correctionsDavid Pike28 Sep, 21:14
Re: Bubble horizon altitude correctionsDavid Pike27 Sep, 22:03
Re: Lunar Distances with a Russian SextantAlexandre Eremenko27 Sep, 16:36
Celestial Navigation on the Earth's surface and in interstellar spaceAndrés Ruiz27 Sep, 14:18
Re: Lunar Distances with a Russian SextantMartin Caminos26 Sep, 22:25
Re: Correction vs. errorLars Bergman26 Sep, 19:30
Re: Bubble horizon altitude correctionsThomas K26 Sep, 18:33
Re: Correction vs. errorAndrés Ruiz26 Sep, 14:30
Re: Lunar Distances with a Russian SextantAlexandre Eremenko26 Sep, 12:21
Re: Correction vs. errorMartin Caminos26 Sep, 05:00
Re: Correction vs. errorFrank Reed26 Sep, 04:30
Correction vs. errorPaul Hirose25 Sep, 23:25
Re: Lunar Distances with a Russian SextantMartin Caminos25 Sep, 22:46
Definition of Index Error and Arc ErrorDavid Pike25 Sep, 15:48
Re: Van Gogh: where and when puzzlesFrank Reed25 Sep, 14:44
Van Gogh: where and when puzzlesDave Walden25 Sep, 13:32
Re: Lunar Distances with a Russian SextantAlexandre Eremenko25 Sep, 13:19
Lunar Distances with a Russian SextantMartin Caminos25 Sep, 02:44
Re: Bubble horizon altitude correctionsDavid Pike23 Sep, 20:49
Re: Earhart book by LongPaul Hirose23 Sep, 20:39
Re: Bubble horizon altitude correctionsThomas K23 Sep, 14:46
Re: Equinox time?Paul Hirose22 Sep, 23:36
Re: Crashed on an alien planet... where am I?David Pike22 Sep, 15:14
Re: Crashed on an alien planet... where am I?Martin Caminos22 Sep, 13:35
Re: Equinox time?Robert H. van Gent22 Sep, 04:32
Re: Crashed on an alien planet... where am I?Robin Stuart21 Sep, 19:11
Equinox time?Frank Reed21 Sep, 17:43
Re: Crashed on an alien planet... where am I?Hewitt Schlereth20 Sep, 21:22
Re: Crashed on an alien planet... where am I?Bobby K20 Sep, 19:09
Re: Crashed on an alien planet... where am I?Doug Faunt20 Sep, 16:42
Crashed on an alien planet... where am I?Frank Reed20 Sep, 16:06
Re: Agnostic gnomon and horary errorChuck Varney19 Sep, 23:53
Re: Agnostic gnomon and horary errorAdrian F18 Sep, 19:03
Running Survey of a coastlinemax mulhern17 Sep, 21:52
Re: Longitude by sunset challengeMurray Buckman17 Sep, 19:29
Re: Bubble horizon altitude correctionsArt Leung17 Sep, 18:41
Re: Longitude by sunset challengeDavid Pike17 Sep, 11:49
Longitude by sunset challengeDavid Pike17 Sep, 10:52
Re: Bubble horizon altitude correctionsDavid Pike16 Sep, 21:47
Re: Bubble horizon altitude correctionsThomas K15 Sep, 23:33
Re: Nautical Almanac 2025Frank Reed15 Sep, 18:37
Re: Bubble horizon altitude correctionsFrank Reed15 Sep, 17:58
Re: Nautical Almanac 2025Frank Reed15 Sep, 17:42
Re: Astral Navigator programAlan S15 Sep, 16:58
Re: Agnostic gnomon and horary errorChuck Varney12 Sep, 21:06
Re: Astral Navigator programBill Ritchie12 Sep, 20:35
Re: Astral Navigator programMurray Buckman12 Sep, 20:26
Re: Bubble horizon altitude correctionsDavid Pike12 Sep, 10:43
Re: Agnostic gnomon and horary errorAdrian F12 Sep, 10:24
Astral Navigator programAlan S12 Sep, 03:29
Re: Agnostic gnomon and horary errorChuck Varney10 Sep, 23:56
Re: Learn the southern skyRobin Stuart10 Sep, 12:50
Re: Earhart book by LongPaul Hirose9 Sep, 21:40
Re: Bubble horizon altitude correctionsDavid Pike9 Sep, 20:16
Re: Bubble horizon altitude correctionsThomas K8 Sep, 22:43
Re: Bubble horizon altitude correctionsThomas K8 Sep, 19:17
Earhart book by LongPaul Hirose8 Sep, 18:34
Re: A New GalaxyDavid Pike8 Sep, 11:12
A New GalaxyDavid Pike8 Sep, 11:10
Re: Learn the southern skyHtom Trites7 Sep, 14:35
Re: Learn the southern skyRoger Puttman7 Sep, 01:16
Re: Learn the southern skyFrank Reed7 Sep, 01:08
Learn the southern skyFrank Reed7 Sep, 00:35
Re: Bubble horizon altitude correctionsGary LaPook5 Sep, 01:16
Re: Bubble horizon altitude correctionsGary LaPook5 Sep, 00:54
Re: Bubble horizon altitude correctionsFrank Reed5 Sep, 00:49
Re: Bubble horizon altitude correctionsThomas K5 Sep, 00:38
Re: Calibrating Your Sextant Without Horizon or CollimatorPaul Hirose4 Sep, 23:46
Re: Nautical Almanac 2025Dale Lichtblau4 Sep, 15:40
Re: Calibrating Your Sextant Without Horizon or CollimatorDavid Pike4 Sep, 11:00
Re: Calibrating Your Sextant Without Horizon or CollimatorFrank Reed3 Sep, 17:14
Calibrating Your Sextant Without Horizon or CollimatorDavid Pike3 Sep, 12:07
Re: Is 20" arc error compatible with "free of error for practical use"?Nicola B2 Sep, 15:41
Re: US Naval Observatory back onlineChuck Varney1 Sep, 20:20
Moon TimeBob Goethe1 Sep, 19:55
Re: Nautical Almanac 2025Sean C1 Sep, 01:28
Re: Nautical Almanac 2025Sam Lyness31 Aug, 20:15
Re: Nautical Almanac 2025Dave Walden31 Aug, 19:03
Re: Nautical Almanac 2025Gary LaPook31 Aug, 04:55
Re: Nautical Almanac 2025Dale Lichtblau31 Aug, 03:11
Re: Nautical Almanac 2025Huub Robroek30 Aug, 14:03
Re: Bubble horizon altitude correctionsDavid Pike30 Aug, 08:53
Re: Bubble horizon altitude correctionsGary LaPook30 Aug, 00:05
Re: Bubble horizon altitude correctionsGary LaPook29 Aug, 23:52
Re: Bubble horizon altitude correctionsDavid Pike29 Aug, 22:03
Re: Bubble horizon altitude correctionsThomas K29 Aug, 18:58
Re: Rocket launch and navigation starsRafael C. Caruso29 Aug, 13:12
Re: Is 20" arc error compatible with "free of error for practical use"?David Pike28 Aug, 20:27
Re: Nautical Almanac 2025Alan S28 Aug, 01:45
Re: Is 20" arc error compatible with "free of error for practical use"?David Pike27 Aug, 17:44
Re: Is 20" arc error compatible with "free of error for practical use"?Art Leung27 Aug, 17:07
Re: Is 20" arc error compatible with "free of error for practical use"?Peter B27 Aug, 15:58
US Naval Observatory back onlineGary LaPook27 Aug, 15:08
Re: Rocket launch and navigation starsFrank Reed27 Aug, 15:06
Re: Rocket launch and navigation starsFrank Reed27 Aug, 14:49
Re: Rocket launch and navigation starsFrank Reed27 Aug, 14:00
Re: Rocket launch and navigation starsFrank Reed27 Aug, 13:56
Re: Is 20" arc error compatible with "free of error for practical use"?David Pike27 Aug, 10:11
Is 20" arc error compatible with "free of error for practical use"?Nicola B25 Aug, 20:02
Re: Rocket launch and navigation starsDavid Pike25 Aug, 19:29
Re: Rocket launch and navigation starsRobin Stuart25 Aug, 17:44
Re: Rocket launch and navigation starsDavid Pike25 Aug, 16:49
Re: Rocket launch and navigation starsRobin Stuart25 Aug, 12:44
Re: Rocket launch and navigation starsRafael C. Caruso24 Aug, 19:01
Re: Rocket launch and navigation starsRafael C. Caruso24 Aug, 18:40
Re: Rocket launch and navigation starsDavid Pike24 Aug, 17:14
Re: Rocket launch and navigation starsFrank Reed23 Aug, 20:59
Easy Sun GHA next week (EqT=0)Frank Reed23 Aug, 18:30
Re: Celestaire logoSean C21 Aug, 17:02
Celestaire logoPaul Hirose20 Aug, 21:12
Re: B Cooke and Son HullMichael Bradley15 Aug, 22:03
Re: Underwater bells as navigation aidsPaul Hirose15 Aug, 18:42
Re: Nautical Almanac 2025Dave Walden15 Aug, 12:11
Re: Next Steps in CelNav Journey...Art Leung14 Aug, 18:36
Re: B Cooke and Son HullDavid Pike14 Aug, 17:34
Re: Nautical Almanac 2025Martin Caminos14 Aug, 15:20
Re: Update on search for the Earhart plane, 87 years laterD Maracle14 Aug, 15:14
Nautical Almanac 2025Rafael C. Caruso13 Aug, 21:00
Re: Update on search for the Earhart plane, 87 years laterGary LaPook13 Aug, 06:22
Re: Traditional navigation by slide ruleBrian Walton13 Aug, 01:03
Re: Update on search for the Earhart plane, 87 years laterPaul Hirose12 Aug, 21:33
B Cooke and Son HullDavid Pike12 Aug, 21:02
Re: Update on search for the Earhart plane, 87 years laterGary LaPook11 Aug, 07:37
Re: Update on search for the Earhart plane, 87 years laterGary LaPook11 Aug, 07:30
Re: Update on search for the Earhart plane, 87 years laterGary LaPook11 Aug, 06:46
Re: Update on search for the Earhart plane, 87 years laterGary LaPook11 Aug, 00:28
Re: Update on search for the Earhart plane, 87 years laterGary LaPook11 Aug, 00:08
Re: Update on search for the Earhart plane, 87 years laterGary LaPook10 Aug, 23:59
Re: Astro-inertial navigationPaul Hirose10 Aug, 23:06
Re: Update on search for the Earhart plane, 87 years laterGary LaPook10 Aug, 19:59
Re: Update on search for the Earhart plane, 87 years laterNavList Visitor10 Aug, 19:15
Re: Update on search for the Earhart plane, 87 years laterRoger Puttman10 Aug, 08:31
Re: Update on search for the Earhart plane, 87 years laterGary LaPook10 Aug, 07:32
Re: Update on search for the Earhart plane, 87 years laterGary LaPook10 Aug, 05:48
Re: Update on search for the Earhart plane, 87 years laterHoward G9 Aug, 22:17
Re: Update on search for the Earhart plane, 87 years laterGary LaPook9 Aug, 18:35
Re: Jupiter and MarsBill Ritchie9 Aug, 17:39
Re: Update on search for the Earhart plane, 87 years laterDavid Pike8 Aug, 21:05
Re: Update on search for the Earhart plane, 87 years laterGary LaPook8 Aug, 11:33
Re: Jupiter and MarsPaul Hirose7 Aug, 22:52
Re: Update on search for the Earhart plane, 87 years laterDavid Pike7 Aug, 20:36
Re: Update on search for the Earhart plane, 87 years laterFrank Reed7 Aug, 17:35
Re: Jupiter and MarsAntoine Couëtte7 Aug, 17:13
Re: Jupiter and MarsFrank Reed7 Aug, 17:07
Re: Update on search for the Earhart plane, 87 years laterHoward G7 Aug, 15:05
Re: Jupiter and MarsRoger W. Sinnott7 Aug, 11:35
Re: Jupiter and MarsRobert H. van Gent7 Aug, 10:15
Jupiter and MarsAntoine Couëtte7 Aug, 05:35
Re: Update on search for the Earhart plane, 87 years laterHoward G7 Aug, 02:56
Bubble horizon altitude correctionsThomas K6 Aug, 21:03
Re: USCG exam memoriesFrank Gumprecht6 Aug, 20:00
Re: Update on search for the Earhart plane, 87 years laterFrank Reed6 Aug, 14:00
Re: Update on search for the Earhart plane, 87 years laterSean C6 Aug, 02:53
Star map on a space "soap"Frank Reed5 Aug, 20:37
Re: Update on search for the Earhart plane, 87 years laterFrank Reed5 Aug, 19:41
Re: Troughton & SimmsNoell Wilson5 Aug, 12:38
US Navy MK 3 Mod 0 for saleNoell Wilson5 Aug, 11:58
Re: Spanish nautical almanac 1854Martin Caminos5 Aug, 10:58
Re: Update on search for the Earhart plane, 87 years laterHoward G5 Aug, 07:35
Re: Update on search for the Earhart plane, 87 years laterDavid C4 Aug, 03:54
Re: Astro-inertial navigationPaul Hirose3 Aug, 21:11
Re: Astro-inertial navigationPaul Dolkas3 Aug, 18:13
Re: Update on search for the Earhart plane, 87 years laterDavid Pike3 Aug, 16:37
Re: Update on search for the Earhart plane, 87 years laterDavid Pike3 Aug, 15:12
Re: Astro-inertial navigationDavid Pike3 Aug, 13:39
Rocket launch and navigation starsFrank Reed2 Aug, 21:29
Re: Spanish nautical almanac 1854Antoine Couëtte2 Aug, 06:45
Astro-inertial navigationPaul Hirose2 Aug, 03:45
Spanish nautical almanac 1854Frank Reed1 Aug, 22:31
Re: Next Steps in CelNav Journey...Will H.31 Jul, 03:44
Re: Traditional navigation by slide rulePaul Hirose29 Jul, 22:05
Re: Update on search for the Earhart plane, 87 years laterGary LaPook29 Jul, 09:27
Re: Update on search for the Earhart plane, 87 years laterNavList Visitor29 Jul, 09:18
Re: Update on search for the Earhart plane, 87 years laterGary LaPook29 Jul, 09:03
Re: Update on search for the Earhart plane, 87 years laterAntoine Couëtte29 Jul, 06:15
Re: Update on search for the Earhart plane, 87 years laterDavid C29 Jul, 05:25
Re: Update on search for the Earhart plane, 87 years laterSean C29 Jul, 01:06
Re: Update on search for the Earhart plane, 87 years laterDavid C28 Jul, 05:53
Re: Traditional navigation by slide ruleBrian Walton28 Jul, 03:51
Re: Update on search for the Earhart plane, 87 years laterGary LaPook28 Jul, 02:02
Re: Update on search for the Earhart plane, 87 years laterHoward G28 Jul, 00:45
Moncrieff and Hood disappearanceDavid C27 Jul, 20:30
Re: Update on search for the Earhart plane, 87 years laterAntoine Couëtte27 Jul, 18:34
Re: Update on search for the Earhart plane, 87 years laterAntoine Couëtte27 Jul, 13:32
Re: Update on search for the Earhart plane, 87 years laterDavid C27 Jul, 05:24
Re: Update on search for the Earhart plane, 87 years laterDavid C26 Jul, 23:32
Re: Next Steps in CelNav Journey...NavList Visitor26 Jul, 16:04
Re: Update on search for the Earhart plane, 87 years laterDavid C26 Jul, 08:41
Re: Update on search for the Earhart plane, 87 years laterHoward G26 Jul, 01:54
Re: Moon standstill livestream from Los AngelesBill Ritchie25 Jul, 16:56
Re: Next Steps in CelNav Journey...Paul Saffo25 Jul, 16:25
Re: Next Steps in CelNav Journey...Denis Vannier24 Jul, 21:39
Re: Next Steps in CelNav Journey...Denis Vannier24 Jul, 16:45
Re: Update on search for the Earhart plane, 87 years laterFrank Reed24 Jul, 13:23
Update on search for the Earhart plane, 87 years laterGary LaPook24 Jul, 06:06
Re: Next Steps in CelNav Journey...Will H.23 Jul, 04:00
Re: Next Steps in CelNav Journey...Modris Fersters22 Jul, 19:28
Re: Sextant TelescopeDavid Pike22 Jul, 14:34
Re: Sextant TelescopeAlexandre Eremenko22 Jul, 12:13
Re: Moon standstill livestream from Los AngelesBill Ritchie22 Jul, 10:43
Re: Next Steps in CelNav Journey...Will H.22 Jul, 02:09
Re: Sextant TelescopeModris Fersters21 Jul, 19:20
Troughton & SimmsMartyn Downer21 Jul, 17:17
Re: Sextant TelescopeDavid Pike21 Jul, 09:03
Re: Moon standstill livestream from Los AngelesFrank Reed20 Jul, 22:39
Re: Sextant TelescopeModris Fersters20 Jul, 13:12
Re: Sextant TelescopeAlexandre Eremenko20 Jul, 03:10
Re: Moon standstill livestream from Los AngelesBill Ritchie19 Jul, 22:15
Re: Traditional navigation by slide rulePaul Hirose19 Jul, 19:32
Re: Sextant TelescopeDavid Pike19 Jul, 19:31
Re: Sextant TelescopeFrank Reed19 Jul, 14:09
Re: Moon standstill livestream from Los AngelesFrank Reed19 Jul, 12:53
Re: Moon standstill livestream from Los AngelesDavid Pike19 Jul, 10:57
Moon standstill livestream from Los AngelesPaul Hirose18 Jul, 23:24
Re: Sextant TelescopeDavid Pike18 Jul, 21:41
Re: Sextant TelescopeAlexandre Eremenko18 Jul, 14:38
Re: Sextant TelescopeAndy Howse18 Jul, 06:40
Re: Sextant TelescopeAlexandre Eremenko17 Jul, 00:40
Re: Sextant TelescopeMarty Lyons16 Jul, 19:01
Re: Sextant TelescopeAlexandre Eremenko16 Jul, 15:08
Re: Next Steps in CelNav Journey...Frank Reed16 Jul, 14:14
Sextant TelescopeJoão Daniel de Andrade Gomes Luís16 Jul, 13:30
Next Steps in CelNav Journey...WCH15 Jul, 23:58
Re: ChatGPT and the navigation stars...Andrew Nikitin15 Jul, 06:44
Re: Spica eclipsed by the Moon: July 13/14Joe Plazak14 Jul, 03:22
Re: Spica eclipsed by the Moon: July 13/14Frank Reed14 Jul, 00:37
Re: Lunar distance by photographyPeter Monta13 Jul, 19:02
Re: Question about horizon mirror unsilvered halfChuck Varney12 Jul, 23:51
Re: Question about horizon mirror unsilvered halfDenis Vannier12 Jul, 16:49
Re: ChatGPT and the navigation stars...Bob Goethe12 Jul, 15:12
Re: Question about horizon mirror unsilvered halfChuck Varney11 Jul, 21:08
Re: ChatGPT and the navigation stars...Huub Robroek10 Jul, 15:04
Re: ChatGPT and the navigation stars...Bill Ritchie9 Jul, 10:15
Question about horizon mirror unsilvered halfJoe Wong9 Jul, 09:43
Re: ChatGPT and the navigation stars...Wolfgang Köberer9 Jul, 07:13
Re: ChatGPT and the navigation stars...Frank Reed9 Jul, 05:03
Re: ChatGPT and the navigation stars...Andrew Nikitin9 Jul, 02:55
Re: In need of two mirrorsDenis Vannier8 Jul, 20:41
Re: ChatGPT and the navigation stars...Hewitt Schlereth8 Jul, 20:30
ChatGPT and the navigation stars...Frank Reed8 Jul, 20:13
Re: Catalogue of Stars. Afterword.Antoine Couëtte7 Jul, 17:45
Catalogue of Stars. Afterword.Andrew Nikitin7 Jul, 16:20
Catalogue of Stars. Part 3.Andrew Nikitin7 Jul, 15:51
Catalogue of Stars. Part 2.Andrew Nikitin7 Jul, 15:38
Catalogue of Stars. Part 1.Andrew Nikitin6 Jul, 22:53
Re: Atmospheric refraction high above Sea LevelAntoine Couëtte6 Jul, 17:22
Spica eclipsed by the Moon: July 13/14Frank Reed6 Jul, 15:55
Re: Traditional navigation by slide ruleDave Walden6 Jul, 09:14
Re: Traditional navigation by slide ruleHewitt Schlereth5 Jul, 19:55
Re: Traditional navigation by slide ruleRon S5 Jul, 18:01
Re: Atmospheric refraction high above Sea LevelFrank Reed5 Jul, 17:24
Re: In need of two mirrorsArt Leung4 Jul, 14:25
Re: Atmospheric refraction high above Sea LevelAntoine Couëtte4 Jul, 07:03
Re: In need of two mirrorsBill Morris4 Jul, 00:38
Re: In need of two mirrorsPaul Bedel3 Jul, 19:32
Re: In need of two mirrorsJean-Philippe Planas3 Jul, 18:39
Re: Atmospheric refraction high above Sea LevelGary LaPook3 Jul, 17:40
Atmospheric refraction high above Sea LevelAntoine Couëtte3 Jul, 07:05
In need of two mirrorsMarc Gounard3 Jul, 03:34
Re: Standard Astronomical Refraction Tables [-1°,0°]Antoine Couëtte2 Jul, 12:38
Re: Standard Astronomical Refraction Tables [-1°,0°]Frank Reed1 Jul, 02:07
Re: Standard Astronomical Refraction Tables [-1°,0°]Evan McDade1 Jul, 01:40
Re: Lunar distance by photographyPaul Hirose30 Jun, 21:57
Re: Standard Astronomical Refraction Tables [-1°,0°]Frank Reed30 Jun, 16:13
Re: Standard Astronomical Refraction Tables [-1°,0°]Lars Bergman30 Jun, 13:27
Re: Old sextantDavid Pike29 Jun, 21:40
Standard Astronomical Refraction Tables [-1°,0°]Antoine Couëtte29 Jun, 17:25
Re: Old sextantIan Gifford29 Jun, 11:10
Re: Old sextantNavList Visitor29 Jun, 05:08
Re: Old sextantSean C29 Jun, 01:25
Re: Old sextantChuck Varney28 Jun, 20:58
Re: Old sextantDavid Pike28 Jun, 09:03
Re: Old sextantDavid Pike28 Jun, 08:53
Re: Old sextantFrank Reed28 Jun, 00:15
Re: Old sextantBill Morris27 Jun, 21:18
Re: Old sextantSean Michael Johnston26 Jun, 16:13
Re: Old sextantIan Gifford25 Jun, 16:37
Re: Old sextantDavid Pike24 Jun, 21:43
Re: Old sextantFrank Reed24 Jun, 19:51
Re: Lunar distance by photographyPeter Monta24 Jun, 17:43
Re: Star photo plate solverPeter Monta24 Jun, 17:35
Old sextantArt Horn24 Jun, 17:28
Re: A simple (?) puzzle from another amazing pictureAntoine Couëtte24 Jun, 14:07
Lunar distance by photographyPaul Hirose22 Jun, 19:43
Re: Polhemus Computer Celestial True Bearing (FAA-173)Art Leung22 Jun, 17:20
Re: Star photo plate solverFrank Reed22 Jun, 16:59
Re: Star photo plate solverMatus Tejiscak22 Jun, 11:57
Re: Polhemus Computer Celestial True Bearing (FAA-173)Dave Walden21 Jun, 23:44
A short Moon day SaturdayFrank Reed21 Jun, 18:43
Stellarium Moon for celestial navigationFrank Reed21 Jun, 16:55
GOAT of optical altitude measurements?Dave Walden21 Jun, 15:17
Re: Polhemus Computer Celestial True Bearing (FAA-173)Art Leung21 Jun, 14:10
Re: Polhemus Computer Celestial True Bearing (FAA-173)Dave Walden21 Jun, 12:19
Washington Post sweetly explains the solsticePaul Saffo20 Jun, 15:30
Re: Polhemus Computer Celestial True Bearing (FAA-173)Htom Trites20 Jun, 02:40
Re: Star photo plate solverFrank Reed19 Jun, 15:50
Star photo plate solverPaul Hirose19 Jun, 04:14
Re: More Lunars, now from ArgentinaMartin Caminos19 Jun, 02:39
Re: Lady Moon and the Archangel - a Nav QuizzMatus Tejiscak18 Jun, 23:11
Re: A simple (?) puzzle from another amazing pictureAntoine Couëtte18 Jun, 17:51
Re: More Lunars, now from ArgentinaFrank Reed18 Jun, 17:20
Re: A simple (?) puzzle from another amazing pictureFrank Reed18 Jun, 16:15
Re: Agnostic gnomon and horary errorFrank Reed18 Jun, 15:13
Re: A simple (?) puzzle from another amazing pictureAntoine Couëtte18 Jun, 14:25
Polhemus Computer Celestial True Bearing (FAA-173)Dave Walden18 Jun, 12:31
Re: More Lunars, now from ArgentinaMartin Caminos18 Jun, 03:27
Re: More Lunars, now from ArgentinaAntoine Couëtte17 Jun, 15:46
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte17 Jun, 08:00
Re: More Lunars, now from ArgentinaMartin Caminos16 Jun, 23:28
Re: More Lunars, now from ArgentinaFrank Reed16 Jun, 14:17
More Lunars, now from ArgentinaMartin Caminos15 Jun, 22:25
Re: Lunars at Cusco, PeruMartin Caminos15 Jun, 21:54
Re: Lunars at Cusco, PeruAntoine Couëtte15 Jun, 20:39
Re: Polhemus available on ebayJoe Plazak15 Jun, 20:37
Polhemus available on ebayGary LaPook15 Jun, 16:57
Bygrave sliderule available on ebay!Gary LaPook15 Jun, 16:51
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte14 Jun, 18:47
Re: Lunars at Cusco, PeruPaul Hirose14 Jun, 17:49
Re: Agnostic gnomon and horary errorAdrian F14 Jun, 13:16
Re: Agnostic gnomon and horary errorGeoff Hitchcox14 Jun, 04:32
Re: Polar celestial air navigation in 1958David Pike13 Jun, 21:13
Re: Lunars at Cusco, PeruMartin Caminos13 Jun, 17:55
Re: Lunars at Cusco, PeruAntoine Couëtte13 Jun, 07:10
Re: Agnostic gnomon and horary errorGeoff Hitchcox13 Jun, 00:47
Polar celestial air navigation in 1958Paul Hirose12 Jun, 22:26
Re: Lunars at Cusco, PeruPaul Hirose12 Jun, 21:38
Re: Lunars at Cusco, PeruMartin Caminos12 Jun, 03:08
Re: Lunars at Cusco, PeruPaul Hirose11 Jun, 19:30
Re: Agnostic gnomon and horary errorAdrian F11 Jun, 15:55
Re: Lunars at Cusco, PeruMartin Caminos11 Jun, 04:17
Re: Agnostic gnomon and horary errorGeoff Hitchcox11 Jun, 00:23
Re: Agnostic gnomon and horary errorChuck Varney10 Jun, 17:59
Re: Agnostic gnomon and horary errorGeoff Hitchcox10 Jun, 12:45
Re: Lunars at Cusco, PeruFrank Reed10 Jun, 06:44
Lunars at Cusco, PeruMartin Caminos10 Jun, 02:58
Re: Agnostic gnomon and horary errorFrank Reed8 Jun, 13:08
Re: Any practical Method to obtain WGS84 Altitudes?Antoine Couëtte7 Jun, 17:18
Re: Any practical Method to obtain WGS84 Altitudes?Geoff Hitchcox7 Jun, 10:00
Re: Any practical Method to obtain WGS84 Altitudes?Antoine Couëtte7 Jun, 02:16
A simple (?) puzzle from another amazing pictureAntoine Couëtte6 Jun, 14:05
Re: Any reliable computation of terrestrial refraction?Antoine Couëtte6 Jun, 12:42
Re: Any practical Method to obtain WGS84 Altitudes?Antoine Couëtte6 Jun, 12:41
Re: Agnostic gnomon and horary errorChuck Varney5 Jun, 18:43
Re: Agnostic gnomon and horary errorFrank Reed5 Jun, 05:47
Re: Altitude & azimuth from Bygrave formulasGary LaPook5 Jun, 03:23
Re: Agnostic gnomon and horary errorFrank Reed4 Jun, 13:28
Re: Agnostic gnomon and horary errorChuck Varney3 Jun, 23:53
Re: Agnostic gnomon and horary errorRobin Stuart3 Jun, 16:42
Re: Agnostic gnomon and horary errorRobin Stuart3 Jun, 14:13
Re: Instructions for Flat BygraveGary LaPook3 Jun, 06:47
Re: Agnostic gnomon and horary errorChuck Varney2 Jun, 20:10
Re: Agnostic gnomon and horary errorGeoff Hitchcox2 Jun, 13:49
Re: Altitude & azimuth from Bygrave formulasPaul Hirose1 Jun, 19:55
Re: Agnostic gnomon and horary errorChuck Varney1 Jun, 15:37
Re: Haversine scales on slide rulesBrian Walton1 Jun, 02:08
Re: Agnostic gnomon and horary errorGeoff Hitchcox1 Jun, 01:15
Re: Haversine scales on slide rulesPaul Dolkas31 May, 19:22
Haversine scales on slide rulesBill Ritchie31 May, 13:43
Re: Navigation slide rulePascal Jouin31 May, 13:14
Agnostic gnomon and horary errorFrank Reed30 May, 18:24
Lunars workshop this weekendFrank Reed30 May, 16:51
Re: The Plane Scale and Stereographic Projection in Early NavigationRobert H. van Gent30 May, 16:39
Re: The Plane Scale and Stereographic Projection in Early NavigationRobin Stuart30 May, 13:42
Re: The Plane Scale and Stereographic Projection in Early NavigationRobin Stuart30 May, 13:38
Re: The Plane Scale and Stereographic Projection in Early NavigationBrian Walton30 May, 08:59
Re: The Plane Scale and Stereographic Projection in Early NavigationRobert H. van Gent29 May, 20:31
Re: The Plane Scale and Stereographic Projection in Early NavigationRobin Stuart29 May, 16:56
Re: The Plane Scale and Stereographic Projection in Early NavigationRobert H. van Gent29 May, 15:55
The Plane Scale and Stereographic Projection in Early NavigationRobin Stuart29 May, 13:03
Re: GPS Anti Spoof app updateMurray Buckman28 May, 20:46
Marques... Lost four decades ago...Frank Reed28 May, 20:28
GPS Anti Spoof app updateFrank Reed28 May, 19:33
Re: Mk IX First ResultsDavid Pike28 May, 15:05
Re: Mk IX First ResultsLawrie Elms27 May, 11:47
Re: Sextant with 3D printerChuck Varney26 May, 15:54
Re: Sextant with 3D printerPaul Dolkas26 May, 08:03
Re: Sextant with 3D printerFrank Reed26 May, 04:19
Re: Mk IX First ResultsMichael Josefsson24 May, 17:44
Re: Mk IX First ResultsArt Leung24 May, 12:41
Re: Mk IX First ResultsMichael Josefsson24 May, 07:57
Re: Sextant with 3D printerJan Eckert23 May, 14:18
Sextant with 3D printerAndrés Ruiz23 May, 13:45
Re: Special Nav. Techniques for a Total Solar Eclipse? - No Wind!Brian Walton23 May, 11:52
Re: Special Nav. Techniques for a Total Solar Eclipse? - No Wind!Nick M23 May, 01:11
Re: A navigation star list and a great star atlasFrank Reed22 May, 14:26
Re: Frank's Celestial Courses valuableJohn Carbone22 May, 11:57
Lunars essentials...Martin Caminos21 May, 15:26
Re: A navigation star list and a great star atlasCharles McElhill20 May, 15:09
Re: A navigation star list and a great star atlasFrank Reed20 May, 04:05
Re: Lunars working time...Frank Reed20 May, 03:02
Re: A navigation star list and a great star atlasAlexander Wolf20 May, 02:50
Re: Lunars essentials...Frank Reed20 May, 02:28
Re: Lunars working time...Lars Bergman19 May, 17:05
Re: Lunars essentials...Martin Caminos17 May, 17:59
A navigation star list and a great star atlasFrank Reed17 May, 15:49
Lunars working time...Frank Reed16 May, 20:00
Lunars essentials...Frank Reed15 May, 21:50
Re: Instructions for Flat BygraveAlan S13 May, 19:51
Re: Instructions for Flat BygraveGary LaPook13 May, 17:21
Re: Paget Angle Sextant for SalePierre Vern13 May, 17:15
Re: Paget Angle Sextant for SalePierre Vern13 May, 15:29
Instructions for Flat BygraveAlan S13 May, 02:31
Re: Newport-Bermuda sunrise LOP... sextant optionalEric Grubman13 May, 00:12
Paget Angle Sextant for SaleSean C12 May, 22:53
Re: A POLL on horizon mirrorsAl Stewart12 May, 13:32
Re: A POLL on horizon mirrorsK McGrath11 May, 20:33
Re: A POLL on horizon mirrorsK McGrath11 May, 20:30
Re: Castro Compass Locking Lever?K McGrath11 May, 13:48
Re: Castro Compass Locking Lever?K McGrath11 May, 12:40
Castro Compass Locking Lever?K McGrath11 May, 09:42
Re: Geomagnetic storm and AuroraeDavid C11 May, 07:22
Re: Geomagnetic storm and AuroraeDavid C11 May, 06:32
Geomagnetic storm and AuroraeFrank Reed11 May, 04:26
Re: Sunspot group visible by sextantFrank Reed10 May, 16:37
Sunspot group visible by sextantFrank Reed10 May, 13:06
Re: Underwater bells as navigation aidsDavid C10 May, 04:51
Re: Underwater bells as navigation aidsMurray Buckman9 May, 22:35
Re: Underwater bells as navigation aidsPaul Hirose9 May, 20:31
Re: Underwater bells as navigation aidsBill Ritchie8 May, 22:24
Re: Underwater bells as navigation aidsFrank Reed8 May, 17:30
A sky for AntikytheraFrank Reed8 May, 01:52
Underwater bells as navigation aidsPaul Hirose7 May, 22:13
Re: A POLL on horizon mirrorsGary LaPook3 May, 02:45
Re: A POLL on horizon mirrorsRobert VanderPol II2 May, 20:52
Re: A POLL on horizon mirrorsFrank Reed2 May, 15:09
Re: A POLL on horizon mirrorsGary LaPook2 May, 07:00
Re: A POLL on horizon mirrorsGary LaPook2 May, 00:58
Re: A POLL on horizon mirrorsFrank Reed30 Apr, 16:07
Re: A POLL on horizon mirrorsDavid Pike28 Apr, 17:19
Re: Polaris Latitude WheelerGreg Rudzinski28 Apr, 12:14
Re: A POLL on horizon mirrorsFrank Reed28 Apr, 12:13
Re: Polaris Latitude WheelerBela Kovacs28 Apr, 11:20
DR - in the air and on the seaHoward G28 Apr, 02:11
Re: A POLL on horizon mirrorsDavid Pike27 Apr, 19:37
Re: A POLL on horizon mirrorsFrank Reed26 Apr, 09:33
Re: Newport-Bermuda sunrise LOP... sextant optionalGreg Rudzinski25 Apr, 17:12
Re: Newport-Bermuda sunrise LOP... sextant optionalGreg Rudzinski25 Apr, 16:30
Re: A POLL on horizon mirrorsMurray Buckman25 Apr, 02:48
Newport-Bermuda sunrise LOP... sextant optionalFrank Reed25 Apr, 01:57
Negative leap second newsFrank Reed25 Apr, 01:07
Re: A POLL on horizon mirrorsFrank Reed24 Apr, 11:31
Re: Help with Stellarium 24.1Homer Smith23 Apr, 21:06
Re: A POLL on horizon mirrorsMartin Caminos23 Apr, 03:30
Re: Help with Stellarium 24.1Homer Smith23 Apr, 03:22
Re: A POLL on horizon mirrorsDenis Vannier22 Apr, 19:17
Re: Help with Stellarium 24.1Frank Reed22 Apr, 00:20
Re: A POLL on horizon mirrorsDavid Pike21 Apr, 20:55
Re: A POLL on horizon mirrorsMurray Buckman21 Apr, 17:40
Re: Problematic sextant "lunar" videoRobert T21 Apr, 14:55
Re: Problematic sextant "lunar" videoRobert T21 Apr, 14:32
Re: A POLL on horizon mirrorsAlexandre Eremenko21 Apr, 13:54
A POLL on horizon mirrorsFrank Reed21 Apr, 12:18
Help with Stellarium 24.1Homer Smith20 Apr, 02:15
Re: Problematic sextant "lunar" videoFrank Reed19 Apr, 23:52
Re: EclipseMartin Caminos19 Apr, 23:17
Re: My eclipse tour through 15 statesHewitt Schlereth19 Apr, 20:23
My eclipse tour through 15 statesFrank Reed19 Apr, 16:29
Re: EclipseFrank Reed19 Apr, 15:35
Re: EclipseMartin Caminos19 Apr, 03:46
Re: Problematic sextant "lunar" videoJake R18 Apr, 19:06
Re: The Equinox at the Equator LineFrank Reed18 Apr, 12:45
Re: EclipseFrank Reed17 Apr, 18:52
Problematic sextant "lunar" videoFrank Reed17 Apr, 03:54
Re: Polaris Latitude WheelerGreg Rudzinski16 Apr, 18:22
Re: Polaris Latitude WheelerBela Kovacs16 Apr, 10:39
Re: Lunarian PuzzleFrank Reed15 Apr, 13:52
Re: Polaris Latitude WheelerFrank Reed15 Apr, 12:50
Re: Eclipse Island's 1766 Eclipse ObservationFrank Reed15 Apr, 12:41
Re: Polaris Latitude WheelerBela Kovacs15 Apr, 10:10
Re: Eclipse Island's 1766 Eclipse ObservationPeter Blaskett15 Apr, 07:14
Re: Eclipse Island's 1766 Eclipse ObservationPeter Blaskett15 Apr, 04:31
Re: Lunarian PuzzleJim Wyse15 Apr, 01:39
Re: Eclipse Island's 1766 Eclipse ObservationFrank Reed15 Apr, 00:05
Re: Blinking stars at Oxford... or elsewhere?Frank Reed14 Apr, 23:50
Ocean Globe Race: sextantsMurray Buckman14 Apr, 23:08
Re: Lunarian PuzzleAntoine Couëtte14 Apr, 18:06
Re: Eclipse Island's 1766 Eclipse ObservationJim Wyse14 Apr, 08:07
Re: Eclipse Island's 1766 Eclipse ObservationPeter Blaskett13 Apr, 00:56
Re: Eclipse Island's 1766 Eclipse ObservationAntoine Couëtte13 Apr, 00:08
Re: Charles H Cotter's PhD ThesisJ Pitys12 Apr, 18:23
Re: Eclipse Island's 1766 Eclipse ObservationPaul Hirose12 Apr, 02:53
Re: Eclipse Island's 1766 Eclipse ObservationJim Wyse12 Apr, 01:31
Re: Eclipse Island's 1766 Eclipse ObservationLars Bergman11 Apr, 19:07
Re: Eclipse Island's 1766 Eclipse ObservationJim Wyse11 Apr, 16:24
Re: Eclipse Island's 1766 Eclipse ObservationAntoine Couëtte11 Apr, 13:42
Re: Lunarian PuzzleAntoine Couëtte10 Apr, 20:12
Re: EclipseGary LaPook10 Apr, 02:43
Re: EclipseFrank Reed10 Apr, 00:52
Re: EclipseDavid McN9 Apr, 23:24
Re: EclipseDave Walden9 Apr, 22:28
Re: Eclipse Island's 1766 Eclipse ObservationAntoine Couëtte9 Apr, 21:00
Re: Eclipse Island's 1766 Eclipse ObservationLars Bergman9 Apr, 20:22
Re: EclipseMartin Caminos9 Apr, 17:17
Re: EclipseGary LaPook9 Apr, 05:16
EclipseFrank A8 Apr, 21:44
Re: Charles H Cotter's PhD ThesisDavid C8 Apr, 03:37
Eclipse Island's 1766 Eclipse ObservationJim Wyse8 Apr, 00:06
Eclipse path has changedPaul Hirose7 Apr, 21:59
Re: Charles H Cotter's PhD ThesisJ Pitys7 Apr, 19:47
Eclipse Weather at Eclipse IslandJim Wyse7 Apr, 07:25
Re: Spanish celestial navigationDave Walden7 Apr, 00:37
Free online Cel Nav ClassNavList Visitor6 Apr, 16:40
Re: Blinking stars at Oxford... or elsewhere?Peter Blaskett6 Apr, 02:21
Re: Blinking stars at Oxford... or elsewhere?Antoine Couëtte5 Apr, 15:56
Re: Spanish celestial navigationAndrés Ruiz5 Apr, 10:54
Re: Spanish celestial navigationAndrés Ruiz5 Apr, 07:22
Re: Spanish celestial navigationAndrés Ruiz5 Apr, 07:07
Re: Eclipse vacation rentals on April 7Gary LaPook5 Apr, 06:50
Re: Eclipse vacation rentals on April 7Sean C5 Apr, 02:10
Re: Eclipse vacation rentals on April 7Tom Sult4 Apr, 22:37
Re: Eclipse vacation rentals on April 7Gary LaPook4 Apr, 20:32
Re: Eclipse vacation rentals on April 7Gary LaPook4 Apr, 20:31
Re: Eclipse vacation rentals on April 7R William McAllister4 Apr, 18:31
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte4 Apr, 18:16
Re: Eclipse vacation rentals on April 7Frank Reed4 Apr, 14:31
Re: Any practical Method to obtain WGS84 Altitudes?Antoine Couëtte4 Apr, 14:24
Eclipse vacation rentals on April 7Luc Van den Borre4 Apr, 12:29
Re: Lunarian PuzzleJim Wyse4 Apr, 12:18
Re: Lunarian PuzzleJim Wyse3 Apr, 15:00
Re: Lunarian PuzzleLars Bergman3 Apr, 11:37
Re: Spanish celestial navigationChuck Varney3 Apr, 03:54
Re: ADMIN: Beware an email request, seemingly from a NavList memberAlan S3 Apr, 03:46
Re: The Nautical Magazine at archive.orgDave Walden3 Apr, 03:17
Lunarian PuzzleJim Wyse3 Apr, 03:02
Re: Spanish celestial navigationBrian Walton3 Apr, 01:11
Re: Spanish celestial navigationChuck Varney2 Apr, 22:20
Re: The Nautical Magazine at archive.orgFrank Reed2 Apr, 21:28
Lord Kelvin's Tables for Facilitating Sumner's Method at SeaPaul Hirose2 Apr, 20:24
The Nautical Magazine at archive.orgPaul Hirose2 Apr, 19:34
ADMIN: Beware an email request, seemingly from a NavList memberFrank Reed2 Apr, 15:36
Re: Spanish celestial navigationRobert H. van Gent2 Apr, 13:43
Re: Any reliable computation of terrestrial refraction?Antoine Couëtte2 Apr, 13:12
Re: Spanish celestial navigationFrank Reed2 Apr, 12:52
Re: Box Sextant by HBDavid Pike2 Apr, 08:13
Re: Spanish celestial navigationFrank Reed1 Apr, 23:29
Re: Box Sextant by HBDavid Pike1 Apr, 21:02
Re: Spanish celestial navigationCharles McElhill1 Apr, 19:39
Re: Spanish celestial navigationFrank Reed1 Apr, 17:36
Re: Box Sextant by HBK McGrath1 Apr, 14:43
Re: Box Sextant by HBDavid Pike1 Apr, 11:27
Re: Spanish celestial navigationRobert H. van Gent1 Apr, 11:24
Re: Box Sextant by HBMichael Bradley1 Apr, 07:50
Re: Spanish celestial navigationFrank Reed1 Apr, 04:10
Re: Spanish celestial navigationMartin Caminos1 Apr, 02:54
Re: Box Sextant by HBBill Morris31 Mar, 19:37
Re: Box Sextant by HBDavid Pike31 Mar, 16:23
Re: Spanish celestial navigationAlexandre Eremenko31 Mar, 13:24
Re: Spanish celestial navigationRobert H. van Gent31 Mar, 13:23
Re: Box Sextant by HBK McGrath31 Mar, 12:59
Spanish celestial navigationFrank Reed31 Mar, 12:15
GPS jamming in the newsChris Lamousin29 Mar, 23:38
Re: GPS, Loran in The NY TimesRichard B. Langley29 Mar, 12:06
Re: Julian Day Number algorithmsSean C29 Mar, 02:10
GPS, Loran in The NY TimesPaul Saffo29 Mar, 00:00
Re: Julian Day Number algorithmsPaul Hirose28 Mar, 20:37
Re: Any reliable computation of terrestrial refraction?Frank Reed27 Mar, 13:08
Re: Any reliable computation of terrestrial refraction?Wolfgang Köberer27 Mar, 08:40
Blinking stars at Oxford... or elsewhere?Frank Reed27 Mar, 04:46
Re: Tempus et aestus non expectabo teFrank Reed26 Mar, 20:05
Re: Any reliable computation of terrestrial refraction?Paul Hirose26 Mar, 05:50
Re: Any practical Method to obtain WGS84 Altitudes?Paul Hirose26 Mar, 05:29
Re: Box Sextant by HBDavid Pike25 Mar, 22:16
Re: Any reliable computation of terrestrial refraction?Frank Reed25 Mar, 22:04
Re: Julian Day Number algorithmsPaul Hirose25 Mar, 20:46
Re: Box Sextant by HBK McGrath25 Mar, 14:41
Re: Tempus et aestus non expectabo teGeoff Hitchcox25 Mar, 10:43
Any reliable computation of terrestrial refraction?Antoine Couëtte25 Mar, 00:16
Any practical Method to obtain WGS84 Altitudes?Antoine Couëtte25 Mar, 00:14
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte24 Mar, 20:04
Re: Tempus et aestus non expectabo teDavid Pike24 Mar, 10:21
Re: Box Sextant by HBBill Lionheart23 Mar, 22:54
Re: Box Sextant by HBDavid Pike23 Mar, 21:06
Re: Box Sextant by HBDavid Pike23 Mar, 20:58
Re: Box Sextant by HBLuc Van den Borre22 Mar, 23:00
Re: Box Sextant by HBNoell Wilson22 Mar, 22:07
Re: The Equinox at the Equator LineMartin Caminos22 Mar, 16:50
Re: Tempus et aestus non expectabo teDavid Pike22 Mar, 09:21
Re: Chauvenet, Bessel, and over-mathed lunariansHewitt Schlereth21 Mar, 22:58
Re: Tempus et aestus non expectabo teGeoff Hitchcox21 Mar, 22:34
Re: Tempus et aestus non expectabo teDavid Pike21 Mar, 21:40
Re: The Equinox at the Equator LineGary LaPook21 Mar, 17:30
Re: The Equinox at the Equator LineFrank Reed21 Mar, 17:13
The Equinox at the Equator LineMartin Caminos21 Mar, 16:54
Re: Tempus et aestus non expectabo teFrank Reed21 Mar, 15:33
Re: Chauvenet, Bessel, and over-mathed lunariansRobin Stuart21 Mar, 14:10
Box Sextant by HBK McGrath21 Mar, 13:50
Re: Chauvenet, Bessel, and over-mathed lunariansLars Bergman21 Mar, 11:59
Re: Tempus et aestus non expectabo teGeoff Hitchcox21 Mar, 09:41
Re: Chauvenet, Bessel, and over-mathed lunariansFrank Reed21 Mar, 05:14
Re: Chauvenet, Bessel, and over-mathed lunariansDavid Iwancio21 Mar, 00:41
Re: Tempus et aestus non expectabo teDavid Pike20 Mar, 22:31
Re: Julian Day Number algorithmsPaul Hirose20 Mar, 20:12
Re: Tempus et aestus non expectabo teDavid Pike20 Mar, 19:34
Chauvenet, Bessel, and over-mathed lunariansFrank Reed20 Mar, 12:53
Re: Tempus et aestus non expectabo teBob Crawley20 Mar, 11:32
Re: Tempus et aestus non expectabo teGeoff Hitchcox20 Mar, 03:06
Re: Negative numbersDave Walden19 Mar, 14:12
Re: Tempus et aestus non expectabo teDavid Pike18 Mar, 13:44
Re: Radler de Aquino and Arthur A. AgetonNorman Plombe18 Mar, 12:35
Re: Tempus et aestus non expectabo teBob Crawley18 Mar, 07:27
Re: Celestial Navigation PresentationSean C17 Mar, 23:15
Re: Tempus et aestus non expectabo teGeoff Hitchcox17 Mar, 12:56
Celestial Navigation PresentationMartin Caminos17 Mar, 02:25
Spherical trigChris Lamousin16 Mar, 23:15
Re: Spherical TrigDavid C16 Mar, 20:50
Lightning strike protection for nav gearMarty Lyons16 Mar, 18:28
Re: Spherical TrigBill Lionheart16 Mar, 14:57
Re: Spherical TrigAlexandre Eremenko16 Mar, 13:03
Re: Spherical TrigAndrés Ruiz16 Mar, 12:34
Re: Lighthearted Friday - "guess" the time of the first star at twilightFrank Reed16 Mar, 12:01
Re: Spherical TrigFrank Reed16 Mar, 11:56
Lighthearted Friday - "guess" the time of the first star at twilightMurray Buckman15 Mar, 20:27
Re: Tempus et aestus non expectabo teGeoff Hitchcox13 Mar, 23:01
Spherical TrigChris Lamousin13 Mar, 20:12
Re: Will quartz watch be fried in lightning strike?John A13 Mar, 18:51
Re: Tables 214Gary LaPook13 Mar, 08:44
Re: Tables 214David Iwancio12 Mar, 23:26
Tempus et aestus non expectabo teDavid Pike12 Mar, 22:35
Re: Will quartz watch be fried in lightning strike?David Iwancio12 Mar, 22:21
Re: Boudicca and Lunar navigationDavid Iwancio12 Mar, 22:08
Re: Will quartz watch be fried in lightning strike?David Pike12 Mar, 21:26
Re: Tables 214Paul Hirose12 Mar, 20:42
Re: Will quartz watch be fried in lightning strike?Murray Buckman12 Mar, 19:39
Re: Will quartz watch be fried in lightning strike?John A12 Mar, 18:09
Re: Will quartz watch be fried in lightning strike?John A12 Mar, 18:02
Re: Boudicca and Lunar navigationRobin Stuart12 Mar, 17:19
Re: Will quartz watch be fried in lightning strike?John Clements12 Mar, 16:52
Re: Will quartz watch be fried in lightning strike?David Pike12 Mar, 16:21
Re: Will quartz watch be fried in lightning strike?Bill Lionheart12 Mar, 15:59
Re: Boudicca and Lunar navigationFrank Reed12 Mar, 15:17
Re: Will quartz watch be fried in lightning strike?Alexandre Eremenko12 Mar, 14:25
Japanese Bygrave on eBayArt Leung12 Mar, 11:56
Re: Tables 214David Iwancio12 Mar, 09:38
Re: Tables 214Gary LaPook12 Mar, 09:04
Will quartz watch be fried in lightning strike?John A12 Mar, 08:43
Re: Tables 214David McN12 Mar, 02:26
Re: Tables 214Frank Reed12 Mar, 02:01
Tables 214Martin Caminos11 Mar, 03:15
Re: Negative numbersRobin Stuart10 Mar, 17:52
Re: Negative numbersDave Walden10 Mar, 17:21
Re: Negative numbersAlexandre Eremenko10 Mar, 16:25
Re: Negative numbersDave Walden10 Mar, 16:14
Re: Negative numbersRobin Stuart10 Mar, 15:30
Re: Negative numbersTodd Spath10 Mar, 13:08
Re: Negative numbersDavid Pike10 Mar, 12:48
Re: Negative numbersFrank Reed10 Mar, 02:04
Re: Negative numbersDavid C9 Mar, 23:59
Re: Index arm angle for Artificial Horizon sightsFrank Reed9 Mar, 23:49
Re: Negative numbersDavid C9 Mar, 22:12
Re: Negative numbersDavid Pike9 Mar, 19:30
Re: Negative numbersAlexandre Eremenko9 Mar, 15:13
Re: Negative numbersDavid Iwancio9 Mar, 09:36
Re: Tecsun antenna setup for time signalPaul Hirose9 Mar, 06:52
Re: Tecsun antenna setup for time signalMurray Buckman8 Mar, 18:54
Re: A-12 index errorArt Leung8 Mar, 17:14
Re: Tecsun antenna setup for time signalTodd Spath8 Mar, 16:50
Re: A-12 index errorTodd Spath8 Mar, 16:25
Re: Negative numbersLars Bergman8 Mar, 14:13
Polaris Latitude WheelerBela Kovacs8 Mar, 11:57
Star Tracker for Celestial NavigationAndrés Ruiz8 Mar, 11:54
Re: How do GPS satellites navigate themselves?David C8 Mar, 07:15
Re: Negative numbersDavid C8 Mar, 06:56
Re: Negative numbersDavid C8 Mar, 04:02
Re: F.Terr. uses sextant example to "prove" nonsensePaul Saffo8 Mar, 00:20
Re: Lady Moon extreme declinationsGeoff Hitchcox7 Mar, 23:36
Re: How do GPS satellites navigate themselves?David Pike7 Mar, 22:59
Re: How do GPS satellites navigate themselves?Alexandre Eremenko7 Mar, 21:24
Re: Lady Moon extreme declinationsRobert H. van Gent7 Mar, 20:43
Re: Negative numbersAlexandre Eremenko7 Mar, 19:28
Re: How do GPS satellites navigate themselves?Antoine Couëtte7 Mar, 19:26
Re: How do GPS satellites navigate themselves?Frank Reed7 Mar, 19:23
How do GPS satellites navigate themselves?Alexandre Eremenko7 Mar, 18:03
Re: Negative numbersMurray Buckman7 Mar, 17:25
Re: Negative numbersAlexandre Eremenko7 Mar, 17:10
Re: Lady Moon and the Archangel - a Nav QuizzAntoine Couëtte7 Mar, 16:41
Re: A-12 index errorDavid Pike7 Mar, 16:39
Lady Moon extreme declinationsAntoine Couëtte7 Mar, 15:58
Re: Interesting astrolabeFrank Reed7 Mar, 14:04
Re: A-12 index errorDave Walden7 Mar, 13:51
Re: A-12 index errorMatus Tejiscak7 Mar, 12:20
Interesting astrolabePaul Dolkas7 Mar, 06:31
Re: Negative numbersDavid C7 Mar, 05:59
Re: A-12 index errorDavid Pike6 Mar, 21:13
Re: A-12 index errorFrank Reed6 Mar, 19:52
Re: A-12 index errorPaul Dolkas6 Mar, 18:21
Re: A-12 index errorAndrés Ruiz6 Mar, 10:01
Re: A-12 index errorDavid Pike6 Mar, 09:56
Re: Special Nav. Techniques for a Total Solar Eclipse?Bill Ritchie5 Mar, 10:22
Re: Negative numbersDavid C5 Mar, 05:06
Re: Negative numbersDavid C5 Mar, 04:46
Penumbral lunar eclipse March 25Frank Reed5 Mar, 03:38
Re: F.Terr. uses sextant example to "prove" nonsensePaul Dolkas4 Mar, 20:04
Re: F.Terr. uses sextant example to "prove" nonsenseBill Lionheart4 Mar, 17:42
Re: A-12 index errorArt Leung4 Mar, 13:50
Re: Negative numbersAndy Howse4 Mar, 07:41
Re: F.Terr. uses sextant example to "prove" nonsenseSean C4 Mar, 03:00
Re: Negative numbersDavid Pike4 Mar, 00:03
Re: A-12 index errorDavid Pike3 Mar, 21:55
Re: A-12 index errorPaul Dolkas3 Mar, 19:44
Re: Negative numbersDavid Pike3 Mar, 19:22
Re: Julian Day Number algorithmsPaul Hirose3 Mar, 19:15
F.Terr. uses sextant example to "prove" nonsensePaul Saffo3 Mar, 18:38
A-12 index errorMatus Tejiscak3 Mar, 16:30
Re: Negative numbersDavid Pike3 Mar, 15:36
Re: Negative numbersAlexandre Eremenko3 Mar, 15:34
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse3 Mar, 14:53
Re: Negative numbersUwe Buettner3 Mar, 13:33
Re: Negative numbersLars Bergman3 Mar, 10:17
Re: Amateur astro amazementAndy Johnson3 Mar, 08:52
Re: Negative numbersDavid C3 Mar, 03:46
Re: Negative numbersDavid C3 Mar, 03:19
Re: Negative numbersBill Lionheart2 Mar, 21:12
Re: Negative numbersFrank Reed2 Mar, 15:47
Re: Amateur astro amazementHuub Robroek2 Mar, 15:17
Re: A-10 bubble sextantGary LaPook2 Mar, 14:55
Re: James Cook's Northeastern North American Coastal ChartingFrank Reed2 Mar, 14:52
Negative numbersAlexandre Eremenko2 Mar, 14:12
Amateur astro amazementPaul Werner2 Mar, 13:46
Re: Tecsun antenna setup for time signalJim Wyse2 Mar, 08:14
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse2 Mar, 07:59
Re: Tecsun antenna setup for time signalDavid McN2 Mar, 05:34
Re: Amateur astro amazementPaul Werner1 Mar, 23:57
Re: Tecsun antenna setup for time signalMurray Buckman1 Mar, 21:40
Re: Amateur astro amazementHuub Robroek1 Mar, 19:20
Re: Tecsun antenna setup for time signalArt Leung1 Mar, 18:31
Re: Tecsun antenna setup for time signalMurray Buckman1 Mar, 16:28
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte1 Mar, 14:33
Re: Amateur astro amazementArt Leung1 Mar, 14:21
Re: Amateur astro amazementAntoine Couëtte1 Mar, 10:07
Re: Lady Moon and the Archangel - a Nav QuizzAntoine Couëtte1 Mar, 08:30
Re: Tecsun antenna setup for time signalRafael C. Caruso1 Mar, 01:23
Re: Tecsun antenna setup for time signalGerhard Straub29 Feb, 23:53
Re: Tecsun antenna setup for time signalPaul Hirose29 Feb, 22:37
Re: Tecsun antenna setup for time signalArt Leung29 Feb, 19:20
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte29 Feb, 19:03
Amateur astro amazementPaul Werner29 Feb, 18:05
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte29 Feb, 16:19
Re: Tecsun antenna setup for time signalJeremy Hillyard29 Feb, 15:59
Re: Lady Moon and the Archangel - a Nav QuizzMatus Tejiscak29 Feb, 15:54
A-10 bubble sextantJoseph White29 Feb, 15:14
Tecsun antenna setup for time signalArt Leung29 Feb, 14:49
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleGeoff Hitchcox29 Feb, 04:36
Re: MonViso, Lady Moon again with a Basilica Nav PuzzleFrank Reed28 Feb, 19:34
MonViso, Lady Moon again with a Basilica Nav PuzzleAntoine Couëtte28 Feb, 18:07
Re: Lady Moon and the Archangel - a Nav QuizzAntoine Couëtte28 Feb, 17:43
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse28 Feb, 14:24
Re: Lady Moon and the Archangel - a Nav QuizzMatus Tejiscak28 Feb, 12:04
Longitude - the musicalRafael C. Caruso28 Feb, 02:15
Re: Lady Moon and the Archangel - a Nav QuizzFrank Reed28 Feb, 00:39
Lady Moon and the Archangel - a Nav QuizzAntoine Couëtte27 Feb, 20:03
Re: Altitudes for a lunar from StellariumAndy Johnson27 Feb, 10:43
Re: CHU Time Signal CanadaTodd Spath27 Feb, 00:42
Re: CHU Time Signal CanadaTodd Spath26 Feb, 23:59
Re: Altitudes for a lunar from StellariumAndy Johnson26 Feb, 21:09
Re: Chronometer ratingPaul Hirose26 Feb, 21:00
Re: CHU Time Signal CanadaRichard B. Langley26 Feb, 15:15
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Dave Walden26 Feb, 13:39
Re: Altitudes for a lunar from StellariumHomer Smith25 Feb, 22:59
Re: Index arm angle for Artificial Horizon sightsNoell Wilson25 Feb, 21:26
Julian Day Number algorithmsRobert H. van Gent25 Feb, 20:24
Re: New method for finding longitude: Solar distancesFrank Reed25 Feb, 20:23
New method for finding longitude: Solar distancesModris Fersters25 Feb, 19:12
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Todd Spath25 Feb, 08:55
Re: CHU Time Signal CanadaDavid C25 Feb, 04:42
Re: CHU Time Signal CanadaTodd Spath25 Feb, 00:21
Re: CHU Time Signal CanadaBill Lionheart24 Feb, 20:34
Re: CHU Time Signal CanadaTodd Spath24 Feb, 19:04
Re: CHU Time Signal CanadaFrank Reed24 Feb, 14:11
Re: Telescope parallelism and lunarsModris Fersters24 Feb, 14:03
CHU Time Signal CanadaTodd Spath24 Feb, 12:53
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?David C23 Feb, 21:23
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Richard B. Langley23 Feb, 19:06
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Sean C23 Feb, 06:14
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C23 Feb, 04:52
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Dave Walden23 Feb, 02:40
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Frank Reed23 Feb, 01:33
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Robert H. van Gent22 Feb, 21:57
Re: Stars above Boston December 1993Murray Buckman22 Feb, 21:29
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Art Leung22 Feb, 14:58
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Frank Reed22 Feb, 06:00
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Frank Reed22 Feb, 04:58
Re: Altitudes for a lunar from StellariumFrank Reed22 Feb, 03:58
Re: Stars above Boston December 1993Frank Reed22 Feb, 03:36
Carry on, Mister BFrank Reed22 Feb, 03:08
Re: Stars above Boston December 1993Murray Buckman22 Feb, 01:28
Re: Altitudes for a lunar from StellariumDavid Iwancio21 Feb, 03:45
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Paul Hirose20 Feb, 20:35
Re: A little orbital navigationMatus Tejiscak20 Feb, 19:56
Re: Stars above Boston December 1993Carsten Krebs20 Feb, 14:13
Stars above Boston December 1993Frank Reed20 Feb, 08:51
Re: A little orbital navigationDavid Pike18 Feb, 21:08
Re: A little orbital navigationJeremy Hillyard18 Feb, 13:29
Re: A little orbital navigationTibor Miseta18 Feb, 10:32
Re: A little orbital navigationPaul Dolkas18 Feb, 05:55
Re: A little orbital navigationFrank Reed18 Feb, 04:51
A little orbital navigationFrank Reed18 Feb, 04:29
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C18 Feb, 03:29
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Peter Hakel18 Feb, 02:53
Re: Masters of the Air on Apple TV+Peter Hakel18 Feb, 02:35
Masters of the Air on Apple TV+Frank Reed18 Feb, 01:44
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Frank Reed18 Feb, 01:26
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C18 Feb, 00:54
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C18 Feb, 00:20
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Bill Lionheart17 Feb, 23:54
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C17 Feb, 21:23
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Richard B. Langley17 Feb, 20:50
Re: James Cook's Northeastern North American Coastal ChartingModris Fersters17 Feb, 20:14
Re: Altitudes for a lunar from StellariumModris Fersters17 Feb, 18:30
Re: James Cook's Northeastern North American Coastal ChartingWolfgang Köberer17 Feb, 17:22
Re: 2024 Air Almanac now availableDave Walden17 Feb, 13:19
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C17 Feb, 08:16
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David C17 Feb, 04:44
Altitudes for a lunar from StellariumHomer Smith17 Feb, 04:42
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Sean C17 Feb, 02:45
Re: A page from my logPeter Hakel17 Feb, 01:36
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Paul Hirose16 Feb, 20:05
Re: LogbooksLars Bergman16 Feb, 19:30
Re: A page from my logPaul Hirose16 Feb, 19:19
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Christopher Willmes16 Feb, 17:56
Re: BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'David Pike16 Feb, 16:19
Re: 2024 Air Almanac now availableDavid Iwancio16 Feb, 08:31
Re: Cross-quarter daysDavid Iwancio16 Feb, 08:22
2024 Air Almanac now availableRafael C. Caruso15 Feb, 23:21
Re: LogbooksModris Fersters15 Feb, 19:38
BBC: 100th anniversary of the Greenwich Time Signal - the 'pips'Paul Saffo15 Feb, 19:22
Re: LogbooksDon Seltzer15 Feb, 19:10
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse15 Feb, 09:50
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse15 Feb, 09:21
Re: James Cook's Northeastern North American Coastal ChartingFrank Reed14 Feb, 23:56
Re: James Cook's Northeastern North American Coastal ChartingFrank Reed14 Feb, 21:50
Re: LogbooksDon Seltzer14 Feb, 20:26
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse14 Feb, 20:00
Re: LogbooksFrank Reed14 Feb, 14:51
Re: The Nautical Almanac & Astronomical Ephemeris for 1767Frank Reed14 Feb, 14:14
Re: The Nautical Almanac & Astronomical Ephemeris for 1767Uwe Buettner14 Feb, 09:21
Re: LogbooksFrank Reed14 Feb, 03:11
LogbooksDale Lichtblau14 Feb, 01:31
Re: Celesticomp V completeMurray Buckman14 Feb, 01:06
Celesticomp V completeJohn R13 Feb, 20:09
Re: Giant binoculars in Los AngelesPaul Saffo12 Feb, 23:13
Re: Special Nav. Techniques for a Total Solar Eclipse?Brian Walton12 Feb, 18:04
Re: James Cook's Northeastern North American Coastal ChartingJim Wyse12 Feb, 00:02
Re: Earhart news storyPaul Hirose11 Feb, 23:27
Re: Earhart news storyGary LaPook11 Feb, 23:01
Re: Giant binoculars in Los AngelesHewitt Schlereth11 Feb, 21:03
Sun Slow DayFrank Reed11 Feb, 19:44
Re: Special Nav. Techniques for a Total Solar Eclipse?Nick M11 Feb, 19:09
Re: Special Nav. Techniques for a Total Solar Eclipse?Nick M11 Feb, 19:01
Giant binoculars in Los AngelesFrank Reed11 Feb, 18:39
Re: James Cook's Northeastern North American Coastal ChartingModris Fersters11 Feb, 14:45
Re: LA to Hawaii problem?Michael Josefsson11 Feb, 08:34
Re: Earhart news storyPaul Hirose11 Feb, 00:44
Re: James Cook's Northeastern North American Coastal ChartingFrank Reed10 Feb, 23:37
Re: Milky Way photo navigationFrank Reed10 Feb, 22:09
Re: Rolling planetariumFrank Reed10 Feb, 21:49
Re: A page from my logPeter Hakel10 Feb, 16:57
Re: Finding Cape Horn latitudeMurray Buckman10 Feb, 16:47
Re: Rolling planetariumTodd Spath10 Feb, 15:28
Re: James Cook's Northeastern North American Coastal ChartingModris Fersters10 Feb, 14:55
Re: A page from my logHuub Robroek10 Feb, 09:07
Finding Cape Horn latitudeDavid McN10 Feb, 08:12
Re: Milky Way photo navigationAntoine Couëtte10 Feb, 07:48
Re: A page from my logDavid C10 Feb, 03:30
Re: A page from my logFrank Reed10 Feb, 02:37
Re: The Nautical Almanac & Astronomical Ephemeris for 1767Frank Reed10 Feb, 02:29
Re: The Nautical Almanac & Astronomical Ephemeris for 1767David C10 Feb, 01:58
Re: A page from my logDavid C10 Feb, 01:48
Re: Earhart or MH370, which is more difficult ?Gary LaPook10 Feb, 01:34
Re: Earhart news storyGary LaPook10 Feb, 01:26
Re: Earhart news storyGary LaPook10 Feb, 01:19
Re: Earhart news storyGary LaPook10 Feb, 01:15
Re: Milky Way photo navigationMurray Buckman10 Feb, 00:06
Re: A page from my logMurray Buckman9 Feb, 23:36
Re: A page from my logDavid McN9 Feb, 20:12
Re: A page from my logMurray Buckman9 Feb, 15:31
Re: Milky Way photo navigationCarsten Krebs9 Feb, 14:34
Re: The Nautical Almanac & Astronomical Ephemeris for 1767Robert H. van Gent9 Feb, 13:38
Re: The Nautical Almanac & Astronomical Ephemeris for 1767Bill Ritchie9 Feb, 10:10
Re: A page from my logDavid McN9 Feb, 07:20
Re: James Cook's Northeastern North American Coastal ChartingWolfgang Köberer9 Feb, 07:14
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Sean C9 Feb, 03:03
The Nautical Almanac & Astronomical Ephemeris for 1767Murray Buckman8 Feb, 20:17
James Cook's Northeastern North American Coastal ChartingJim Wyse8 Feb, 15:25
Cross-quarter daysBob Crawley8 Feb, 07:51
A page from my logMurray Buckman8 Feb, 03:34
Re: ADMIN: NavList Operations contributionsFrank Reed8 Feb, 00:05
Re: Milky Way photo navigationFrank Reed7 Feb, 23:58
Re: Milky Way photo navigationFrank Reed7 Feb, 23:50
Rolling planetariumFrank Reed6 Feb, 23:57
Re: Earhart news storyPaul Hirose6 Feb, 22:56
USNO Interactive Computer Ephemeris (ICE)Dave Walden5 Feb, 21:10
Re: Milky Way photo navigationMurray Buckman5 Feb, 16:39
Meanwhile in the UK, Cook's son deserterDavid Pike5 Feb, 14:35
Earhart or MH370, which is more difficult ?Marty Lyons5 Feb, 13:42
LA to Hawaii problem?Dave Walden5 Feb, 12:25
Re: Milky Way photo navigationAntoine Couëtte5 Feb, 10:33
Re: Milky Way photo navigationBill Ritchie5 Feb, 07:41
Re: Milky Way photo navigationMurray Buckman5 Feb, 03:15
Re: Special Nav. Techniques for a Total Solar Eclipse?Brian Walton5 Feb, 01:11
Re: Milky Way photo navigationCarsten Krebs4 Feb, 22:57
Re: Milky Way photo navigationTibor Miseta4 Feb, 21:27
Re: Milky Way photo navigationFrank Reed4 Feb, 16:54
Re: Earhart news storyNoell Wilson4 Feb, 13:48
Milky Way photo navigationFrank Reed4 Feb, 00:39
Re: Earhart news storyHewitt Schlereth4 Feb, 00:21
Re: Special Nav. Techniques for a Total Solar Eclipse?Frank Reed3 Feb, 21:19
Re: Earhart news storyFrank Reed3 Feb, 21:04
Special Nav. Techniques for a Total Solar Eclipse?Nick M3 Feb, 20:49
Re: Earhart news storyNoell Wilson3 Feb, 17:42
Re: Earhart news storyNoell Wilson3 Feb, 17:20
Re: Boudicca and Lunar navigationFrank Reed3 Feb, 16:20
Re: Boudicca and Lunar navigationMatus Tejiscak3 Feb, 09:51
Re: Boudicca and Lunar navigationMurray Buckman2 Feb, 17:36
Re: Earhart news storyFrank Reed2 Feb, 17:16
Re: Chronometer ratingAdrian F2 Feb, 16:42
Re: Earhart news storyMurray Buckman2 Feb, 16:30
Re: Earhart news storyFrank Reed2 Feb, 15:30
Re: Earhart news storyDon Seltzer2 Feb, 14:41
Re: Earhart news storyBill Lionheart2 Feb, 09:57
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Alexander Wolf2 Feb, 07:41
Earhart news storyHoward G2 Feb, 07:34
Boudicca and Lunar navigationFrank Reed2 Feb, 02:08
Re: Chronometer ratingFrank Reed1 Feb, 22:32
Re: Chronometer ratingMurray Buckman1 Feb, 01:38
Re: Chronometer ratingMurray Buckman1 Feb, 01:21
Re: Chronometer ratingMurray Buckman1 Feb, 01:03
Re: Chronometer ratingDavid C31 Jan, 22:38
Re: Chronometer ratingModris Fersters31 Jan, 19:21
Re: Chronometer ratingFrank Reed31 Jan, 05:10
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Frank Reed31 Jan, 04:41
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAntoine Couëtte31 Jan, 02:33
ADMIN: potential email problem on ThursdayFrank Reed30 Jan, 23:44
Re: The new century began: Jan 1, 2000 or Jan 1, 2001?Robert H. van Gent30 Jan, 23:01
Re: Chronometer ratingLars Bergman30 Jan, 22:49
The new century began: Jan 1, 2000 or Jan 1, 2001?Frank Reed30 Jan, 20:55
Re: Chronometer ratingAdrian F30 Jan, 17:35
Re: Kollsman MA-1 horizon reticle focusTodd Spath30 Jan, 01:23
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedMichael Bradley29 Jan, 23:20
In memoriam: Herman DekkerFrank Reed29 Jan, 21:10
Re: Chronometer ratingModris Fersters29 Jan, 10:09
Re: Polhemus computerGary LaPook29 Jan, 06:25
Re: Chronometer ratingDavid C29 Jan, 02:06
Re: Chronometer ratingDavid C29 Jan, 01:05
Re: ADMIN: NavList Operations contributionsDavid C29 Jan, 00:37
Re: ADMIN: NavList Operations contributionsFrank Reed28 Jan, 22:59
Re: ADMIN: NavList Operations contributionsDavid C28 Jan, 21:20
Re: Telescope parallelism and lunarsFrank Reed28 Jan, 20:16
Re: ADMIN: NavList Operations contributionsHuub Robroek28 Jan, 18:56
Re: Telescope parallelism and lunarsModris Fersters28 Jan, 18:30
Re: Telescope parallelism and lunarsFrank Reed28 Jan, 17:02
Re: ADMIN: NavList Operations contributionsFrank Reed28 Jan, 16:06
Re: Polhemus computerFrank Reed28 Jan, 15:52
Re: Telescope parallelism and lunarsModris Fersters28 Jan, 12:02
Re: Chronometer ratingDavid C28 Jan, 08:41
Re: Chronometer ratingDavid C28 Jan, 08:08
Re: Chronometer ratingDavid C27 Jan, 23:12
Telescope parallelism and lunarsModris Fersters27 Jan, 22:45
Re: ADMIN: NavList Operations contributionsNoell Wilson27 Jan, 20:08
Re: Polhemus computerAlan S27 Jan, 19:01
Re: Chronometer ratingSean C27 Jan, 02:52
Re: Longitude from moon culminationRobin Stuart26 Jan, 15:39
Re: Chronometer ratingNoell Wilson26 Jan, 15:33
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedBill Ritchie26 Jan, 03:10
Re: Sextant errorsPaul Hirose26 Jan, 00:02
Re: Chronometer ratingLars Bergman25 Jan, 20:08
Re: Lunar DistancesModris Fersters25 Jan, 17:38
Re: Chronometer ratingFrank Reed25 Jan, 15:57
Re: Lunar DistancesHuub Robroek25 Jan, 15:16
Re: Polhemus computerGary LaPook25 Jan, 06:41
Re: Chronometer ratingLars Bergman24 Jan, 20:27
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed24 Jan, 16:01
Atlantic Crossing - Celestial Navigation in PracticeMartin Caminos24 Jan, 03:29
Re: Atlantic Crossing - Celestial Navigation in PracticePaul Hirose23 Jan, 20:58
Re: Resources for historical sea battlesAndrés Ruiz23 Jan, 17:01
Re: Resources for historical sea battlesFrank Reed23 Jan, 16:11
Resources for historical sea battlesRobert H. van Gent23 Jan, 15:32
Re: ADMIN: NavList Operations contributionsJeffrey Rock23 Jan, 04:38
Re: Chronometer ratingFrank Reed23 Jan, 03:12
Re: ADMIN: NavList Operations contributionsMurray Buckman23 Jan, 02:55
Re: ADMIN: NavList Operations contributionsFrank Reed23 Jan, 01:33
Re: ADMIN: NavList Operations contributionsMatus Tejiscak22 Jan, 19:51
ADMIN: NavList Operations contributionsFrank Reed22 Jan, 19:13
Re: Polhemus computerGary LaPook22 Jan, 19:08
ADMIN: email issuesFrank Reed22 Jan, 18:23
Position by azimuth of starsBill Lionheart22 Jan, 18:20
Atlantic Crossing - Celestial Navigation in PracticeMartin Caminos21 Jan, 22:26
Re: Polhemus computerJeffrey Rock21 Jan, 20:56
Re: Polhemus computerArt Leung21 Jan, 19:00
Re: Polhemus computerTibor Miseta21 Jan, 18:39
Re: Lunars accuracyModris Fersters21 Jan, 18:12
Re: Polhemus computerPaul Saffo21 Jan, 17:19
Re: Historical compass variation or magnetic declinationPaul Saffo21 Jan, 17:11
Re: Polhemus computerFrank Reed21 Jan, 15:48
Re: Sextant errorsFrank Maxwell21 Jan, 04:14
Re: Sextant errorsFrank Reed20 Jan, 23:03
Sextant errorsFrank Maxwell20 Jan, 22:16
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed20 Jan, 21:56
Re: Atlantic Crossing - Celestial Navigation in PracticeGary LaPook20 Jan, 20:51
Re: Atlantic Crossing - Celestial Navigation in PracticeGary LaPook20 Jan, 20:32
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed20 Jan, 17:03
Atlantic Crossing - Celestial Navigation in PracticeMartin Caminos20 Jan, 16:14
Re: JAXA lunar lander precision navigationFrank Reed20 Jan, 11:05
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed20 Jan, 10:54
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed20 Jan, 10:35
Re: Atlantic Crossing - Celestial Navigation in PracticeFrank Reed20 Jan, 10:20
Re: Atlantic Crossing - Celestial Navigation in PracticeModris Fersters20 Jan, 08:26
Re: Atlantic Crossing - Celestial Navigation in PracticeGary LaPook20 Jan, 05:55
Re: Atlantic Crossing - Celestial Navigation in PracticeGary LaPook20 Jan, 05:45
Atlantic Crossing - Celestial Navigation in PracticeMartin Caminos20 Jan, 01:31
Re: JAXA lunar lander precision navigationPeter Monta20 Jan, 00:16
JAXA lunar lander precision navigationFrank Reed19 Jan, 15:09
Re: Filming/photographing through sextantBill Lionheart19 Jan, 15:01
Re: Second World War Desert NavigatorRoger Puttman19 Jan, 09:23
Polhemus computerGary LaPook19 Jan, 08:38
Re: Filming/photographing through sextantSean C19 Jan, 04:05
Re: Second World War Desert NavigatorMurray Buckman19 Jan, 00:31
Re: Second World War Desert NavigatorRoger Puttman18 Jan, 20:09
Re: Second World War Desert NavigatorFrank Reed18 Jan, 17:06
Chronometer ratingLars Bergman17 Jan, 15:57
Re: Distance to the horizon in Bowditch and other sourcesJim Wyse17 Jan, 15:19
Re: Distance to the horizon in Bowditch and other sourcesRobert Lafleur17 Jan, 00:56
Re: Distance to the horizon in Bowditch and other sourcesFrank Reed16 Jan, 23:16
Filming/photographing through sextantBill Lionheart16 Jan, 22:26
Distance to the horizon in Bowditch and other sourcesRobert Lafleur16 Jan, 20:40
Re: "Almanaque Nautico Simplificado"Frank Reed16 Jan, 19:49
Re: Stars in Oppenheimer movieFrank Reed16 Jan, 19:19
Re: Second World War Desert NavigatorNoell Wilson16 Jan, 19:18
Re: "Almanaque Nautico Simplificado"Bela Kovacs16 Jan, 17:16
Re: "Almanaque Nautico Simplificado"Gary LaPook16 Jan, 09:30
Re: 12-power sextant scopes... Why?Fred Hebard16 Jan, 02:53
Re: "Almanaque Nautico Simplificado"Sean C16 Jan, 02:48
Re: "Almanaque Nautico Simplificado"Dave Walden16 Jan, 02:47
Re: 12-power sextant scopes... Why?Frank Reed16 Jan, 00:50
Re: "Almanaque Nautico Simplificado"Frank Reed15 Jan, 23:49
Re: "Almanaque Nautico Simplificado"Gary LaPook15 Jan, 22:55
Re: "Almanaque Nautico Simplificado"Frank Reed15 Jan, 21:28
Re: "Almanaque Nautico Simplificado"Antoine Couëtte15 Jan, 21:09
Re: "Almanaque Nautico Simplificado"Dave Walden14 Jan, 09:12
Re: "Almanaque Nautico Simplificado"David C13 Jan, 21:06
Re: Orion and a lighthouse... where are you?Antoine Couëtte13 Jan, 18:07
Re: "Almanaque Nautico Simplificado"Frank Reed13 Jan, 16:40
Re: "Almanaque Nautico Simplificado"Andrés Ruiz13 Jan, 16:04
Re: Orion and a lighthouse... where are you?David Pike13 Jan, 12:39
Re: Kollsman MA-1 horizon reticle focusTodd Spath12 Jan, 22:18
"Almanaque Nautico Simplificado"Dave Walden12 Jan, 21:34
Re: Latitude by Venus, Longitude by SunAndrés Ruiz12 Jan, 15:31
Re: Orion and a lighthouse... where are you?Antoine Couëtte12 Jan, 04:20
Re: Stars in Oppenheimer movieJeremy H12 Jan, 02:59
Re: Stars in Oppenheimer movieRobert H. van Gent11 Jan, 23:32
Re: Stars in Oppenheimer movieJeremy H11 Jan, 22:03
Re: 12-power sextant scopes... Why?Fred Hebard11 Jan, 20:16
Stars in Oppenheimer movieFrank Reed11 Jan, 18:55
Orion and a lighthouse... where are you?Frank Reed11 Jan, 18:36
Re: Latitude by Venus, Longitude by SunFrank Reed11 Jan, 18:14
Re: Latitude by Venus, Longitude by SunAntoine Couëtte11 Jan, 18:07
Re: 12-power sextant scopes... Why?Frank Reed11 Jan, 17:41
Re: HO229 Interpolation TablePaul Bedel10 Jan, 15:50
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAndrés Ruiz10 Jan, 10:35
Re: Kollsman MA-1 horizon reticle focusTodd Spath10 Jan, 02:26
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedDavid C9 Jan, 21:02
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAntoine Couëtte9 Jan, 19:58
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAndrés Ruiz9 Jan, 15:05
Re: Tripods for sextantsWerner Luehmann9 Jan, 13:11
Re: 12-power sextant scopes... Why?Al Stewart9 Jan, 04:34
Molded plastic sextant boxesNoell Wilson8 Jan, 23:22
Re: 12-power sextant scopes... Why?Murray Buckman8 Jan, 22:30
Re: 12-power sextant scopes... Why?Noell Wilson8 Jan, 22:16
Re: HO229 Interpolation TableArt Leung8 Jan, 18:08
HO229 Interpolation TablePhilippe Posth8 Jan, 16:48
Re: Tripods for sextantsRobin Stuart8 Jan, 14:06
Re: Kollsman MA-1 horizon reticle focusArt Leung8 Jan, 14:02
Re: Tripods for sextantsAndrés Ruiz8 Jan, 13:41
Re: Tripods for sextantsArt Leung8 Jan, 13:35
New use for my ABC tablesDavid McN8 Jan, 06:16
Tripods for sextantsMartin Caminos8 Jan, 04:26
Re: 12-power sextant scopes... Why?Al Stewart7 Jan, 22:43
Re: Tripods for sextantsPaul Dolkas7 Jan, 20:57
Tripods for sextantsFred Hebard7 Jan, 20:07
Re: 12-power sextant scopes... Why?David C7 Jan, 04:19
Re: Second World War Desert NavigatorDavid Pike6 Jan, 20:27
Re: 12-power sextant scopes... Why?Al Stewart6 Jan, 19:08
Re: 12-power sextant scopes... Why?Al Stewart6 Jan, 19:02
Re: Husun sextantDavid Pike6 Jan, 08:48
Second World War Desert NavigatorFrank Reed6 Jan, 05:18
Kollsman MA-1 horizon reticle focusTodd Spath6 Jan, 04:52
Re: 12-power sextant scopes... Why?David C6 Jan, 03:18
Re: 12-power sextant scopes... Why?David C6 Jan, 03:00
Re: Husun sextantFred Hebard5 Jan, 23:49
Re: Husun sextantDavid Pike5 Jan, 20:52
Re: 12-power sextant scopes... Why?David Pike5 Jan, 20:07
Re: 12-power sextant scopes... Why?Murray Buckman5 Jan, 20:00
12-power sextant scopes... Why?Frank Reed5 Jan, 17:26
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAndrés Ruiz5 Jan, 14:56
Re: Husun sextantFred Hebard3 Jan, 23:25
Will Satellite debris disrupt the Earth's magnetic field?Paul Saffo3 Jan, 22:58
Re: Husun sextantDavid Pike3 Jan, 21:29
Re: Husun sextantFred Hebard3 Jan, 17:56
Re: Husun sextantDavid Pike3 Jan, 14:14
Re: Husun sextantFred Hebard2 Jan, 21:19
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAntoine Couëtte2 Jan, 19:09
Re: Moving Navigator LAN: Culmination to Meridian Passage fully solvedAntoine Couëtte2 Jan, 15:19
Sailing to AmericaAndrés Ruiz2 Jan, 08:57
Husun sextantWilliam Patterson1 Jan, 23:18
Re: Navigation slide ruleAlan S1 Jan, 20:42

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