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NavList:

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

January, 2020 to December, 2020

Index includes 2358 messages. Sorted alphabetically by author.

                    
Celestial navigation: easier basic principle?A Ponics25 Jan, 04:42
LAN calculations for GHAAdam Frolic26 Mar, 19:28
Hughes & Son's Sextant - General InfoAdrian Bevan22 Jun, 14:39
Re: Hughes & Son's Sextant - General InfoAdrian Bevan26 Aug, 12:49
Re: Hughes & Son's Sextant - General InfoAdrian Bevan28 Aug, 14:46
Re: Hughes & Son's Sextant - General InfoAdrian Bevan29 Aug, 10:10
Re: Hughes & Son's Sextant - General InfoAdrian Bevan29 Aug, 10:12
Re: Venus in daylightAdrian F9 Apr, 10:50
Re: Beginning celestial navigation methodAl Stewart26 Jun, 16:10
Re: Hezzanith SextantAl Stewart4 Sep, 17:02
Re: Hezzanith SextantAl Stewart5 Sep, 01:10
Re: Hezzanith SextantAl Stewart7 Sep, 00:03
Re: Hezzanith SextantAl Stewart7 Sep, 18:03
Re: Hezzanith SextantAl Stewart7 Sep, 23:02
Re: Hezzanith SextantAl Stewart8 Sep, 01:52
Re: Hezzanith SextantAl Stewart8 Sep, 02:08
Re: Hezzanith SextantAl Stewart8 Sep, 23:50
Re: Units in NavigationAl Stewart28 Sep, 17:54
Re: Hardly ever get an LOP than 20 NM - why?Alan S17 Jan, 06:11
Re: Latitude by two stars observed simultaneouslyAlan S5 Feb, 19:21
Re: ChronographAlan S5 Mar, 01:57
Re: Longitude by Time Sight Using a Slide RuleAlan S22 Mar, 22:32
Re: Longitude by Time Sight Using a Slide RuleAlan S23 Mar, 02:37
Re: d correctionAlan S30 Mar, 20:59
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Alan S2 Apr, 19:53
Re: Celestial in the Age of Sail, April 7-9, onlineAlan S2 Apr, 19:59
Re: Weems and Plath Celestial Slide RuleAlan S10 Apr, 20:29
Re: Weems and Plath Celestial Slide RuleAlan S15 Apr, 03:51
Re: Calculators "old technology"Alan S1 May, 01:42
Re: Calculators "old technology"Alan S1 May, 01:48
Re: Celestial Navigation in the British Royal NavyAlan S4 May, 20:23
Re: Traditional navigation by slide ruleAlan S13 May, 01:44
Re: Beginning celestial navigation methodAlan S15 May, 02:29
Re: Beginning celestial navigation methodAlan S15 May, 23:04
Re: Sextant handle electric system, out of serviceAlan S20 Jun, 00:24
Re: Timex Iron Man Watch=kaputAlan S2 Jul, 17:16
Re: Timex Iron Man Watch=kaputAlan S2 Jul, 22:51
Re: Timex Iron Man Watch=kaputAlan S4 Jul, 02:47
Re: Navigator's Slide RuleAlan S12 Jul, 04:07
Re: Navigator's Slide RuleAlan S12 Jul, 16:58
Re: Navigator's Slide RuleAlan S12 Jul, 22:17
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S14 Jul, 20:27
Re: M.F. Maury and the progress of historyAlan S16 Jul, 22:08
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S18 Jul, 16:56
Re: Hybrid artificial horizonAlan S23 Jul, 18:22
Re: Hybrid artificial horizonAlan S23 Jul, 21:17
Re: Making an artificial horizonAlan S25 Jul, 02:54
Re: AH Level?Alan S13 Aug, 15:07
Re: Navigator's Slide RuleAlan S18 Aug, 03:16
Re: Sextant LubricationAlan S8 Sep, 16:44
Re: Novice navigator with a Freiberger sextantAlan S10 Sep, 03:00
Re: Digital SextantAlan S10 Sep, 18:52
Re: Star globe details and a Russian/Soviet bookAlan S25 Sep, 21:16
Re: Star globe details and a Russian/Soviet bookAlan S26 Sep, 22:35
Re: Crelle's tablesAlan S27 Sep, 04:00
Re: Navigation Systems: online lectureAlan S29 Sep, 22:54
Re: Battenberg manualsAlan S7 Oct, 19:16
Re: Phosphine biomarker gas in Venus atmosphere.Alan S8 Oct, 04:02
Re: Experience with an artifical horizonAlan S14 Oct, 03:49
Re: Folding Chair for CNAlan S14 Oct, 21:45
Re: Crelle's tablesAlan S17 Oct, 16:39
Re: Navigator's Slide RuleAlberto Najar12 Jul, 10:10
Automatic Plotting of LOP's using graphing calculatorAlex Spradling13 Feb, 22:57
Re: Automatic Plotting of LOP's using graphing calculatorAlex Spradling14 Feb, 00:34
Air Almanac and AP 2020 availableAlexander Duytschaever30 Mar, 13:35
Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever26 Apr, 14:55
Re: Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever28 Apr, 15:00
Re: Celestial in the thin air!Alexander Duytschaever9 Jun, 09:04
Re: Celestial in the thin air!Alexander Duytschaever9 Jun, 09:09
Re: Cosine formula to solve a right spherical triangle?Alexandre Eremenko21 Jan, 20:06
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsAlexandre Eremenko23 Jan, 21:18
Re: Navigate to this islandAlexandre Eremenko19 Mar, 20:39
Re: Please help to identify a sextantAlexandre Eremenko20 Mar, 01:07
Re: Maskelyne: Astronomer RoyalAlexandre Eremenko25 Mar, 20:54
Re: Sestrel sextant thoughts?Alexandre Eremenko23 May, 04:42
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May, 02:19
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May, 15:47
Re: Russian celestial star globeAlexandre Eremenko19 Sep, 18:53
Re: Russian celestial star globeAlexandre Eremenko20 Sep, 12:11
Re: Measuring (and Calculating) DipAndrew T. Young19 Oct, 04:24
Celnav apps for AndroidAndrés Ruiz13 Feb, 18:01
Re: Automatic Plotting of LOP's using graphing calculatorAndrés Ruiz14 Feb, 06:54
Re: A-12 ExperiencesAndrés Ruiz14 Feb, 14:39
Re: Smart Phone CNAndrés Ruiz5 Mar, 19:50
Re: Nautical Almanac AppAndrés Ruiz3 Apr, 09:21
Re: Nautical Almanac AppAndrés Ruiz4 Apr, 09:40
Re: Nautical Almanac AppAndrés Ruiz5 Apr, 17:18
Re: Paper: Geometry of Elliptical Probability Contours...Andrés Ruiz24 Apr, 19:21
Re: NavlistAndrés Ruiz2 May, 19:14
Re: Celestial Navigation licensing examsAndrés Ruiz6 May, 14:50
Re: Position from altitude and azimuth.Andrés Ruiz8 May, 10:26
Re: Non-graphical way to solve a wind triangleAndrés Ruiz11 May, 05:56
Re: Position from altitude and azimuth.Andrés Ruiz11 May, 06:36
Re: Position from altitude and azimuth.Andrés Ruiz11 May, 09:01
Re: Non-graphical way to solve a wind triangleAndrés Ruiz12 May, 07:27
Re: Beginning celestial navigation methodAndrés Ruiz13 May, 07:13
Re: Equal Azimuth LinesAndrés Ruiz13 May, 17:04
Re: Position from altitude and azimuth.Andrés Ruiz13 May, 17:22
Re: Position from altitude and azimuth.Andrés Ruiz15 May, 06:31
Re: Position from altitude and azimuth.Andrés Ruiz15 May, 06:53
Re: Equal Azimuth LinesAndrés Ruiz15 May, 09:21
Re: Position from two azimuthsAndrés Ruiz16 May, 10:58
Re: Position from two azimuthsAndrés Ruiz17 May, 09:42
Re: Position from altitude and azimuth.Andrés Ruiz17 May, 10:17
Re: Position from altitude and azimuth.Andrés Ruiz18 May, 08:09
Re: Position from altitude and azimuth.Andrés Ruiz19 May, 19:14
Re: Position from altitude and azimuth.Andrés Ruiz20 May, 07:55
Re: Equal Azimuth LinesAndrés Ruiz21 May, 18:28
Re: Sights with just azimuthAndrés Ruiz23 May, 09:57
Re: Sights with just azimuthAndrés Ruiz23 May, 10:07
Re: Parallax in azimuthAndrés Ruiz25 May, 16:12
Re: Celestial in the thin air!Andrés Ruiz5 Jun, 07:01
Re: EOT Will Change Sign In Thirteen Hours TimeAndrés Ruiz12 Jun, 06:17
Re: Plot Sheet GeneratorAndrés Ruiz20 Jul, 13:38
Re: Longitude at noonAndrés Ruiz9 Sep, 07:57
Re: Essay: Navigating by the Heavens...Andy Schell23 Jul, 23:09
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte7 Feb, 13:09
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte8 Feb, 07:41
Classical Lunars diagram: who invented it ?Antoine Couëtte9 Feb, 14:43
Re: Lunar distance parallactic retardationAntoine Couëtte15 Feb, 18:12
Re: Using the sun's direct and reflected image to determine a sextant's IEAntoine Couëtte11 Mar, 19:09
Re: Index error vs. index correctionAntoine Couëtte20 Mar, 19:36
Re: Index error vs. index correctionAntoine Couëtte21 Mar, 20:22
Re: Index error vs. index correctionAntoine Couëtte22 Mar, 19:07
Re: Index error vs. index correctionAntoine Couëtte22 Mar, 19:17
Re: Index error vs. index correctionAntoine Couëtte23 Mar, 16:27
Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte31 Mar, 07:07
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte2 Apr, 07:35
Re: Star tracker article, interesting graphicsAntoine Couëtte4 Apr, 09:31
Re: Curve fitting for noon SunAntoine Couëtte5 Apr, 23:49
Re: A strange set of Venus LoPs.Antoine Couëtte6 Apr, 17:14
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte8 Apr, 16:25
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr, 09:11
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr, 19:20
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr, 22:56
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte13 Apr, 17:13
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte14 Apr, 14:22
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte15 Apr, 14:55
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte15 Apr, 17:12
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte18 Apr, 18:51
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte19 Apr, 18:40
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte20 Apr, 02:23
Re: 2020-05-03 Sun-Venus sessionAntoine Couëtte7 May, 21:43
Re: Position from altitude and azimuth.Antoine Couëtte8 May, 12:30
Re: Position from altitude and azimuth.Antoine Couëtte9 May, 05:13
Re: Position from altitude and azimuth.Antoine Couëtte9 May, 11:39
Re: Position from altitude and azimuth.Antoine Couëtte10 May, 16:23
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 06:01
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 09:19
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 10:34
Re: Position from altitude and azimuth.Antoine Couëtte12 May, 19:48
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 02:56
Equal Azimuth LinesAntoine Couëtte13 May, 07:40
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 14:33
Re: Equal Azimuth LinesAntoine Couëtte13 May, 20:23
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 20:42
Re: Equal Azimuth LinesAntoine Couëtte14 May, 15:39
Re: Intercept Method or Marcq St. HilaireAntoine Couëtte14 May, 16:52
Re: Equal Azimuth LinesAntoine Couëtte15 May, 08:57
Re: Equal Azimuth LinesAntoine Couëtte15 May, 20:40
Re: Position from two azimuthsAntoine Couëtte16 May, 14:01
Re: Position from two azimuthsAntoine Couëtte17 May, 10:42
Re: Position from two azimuthsAntoine Couëtte18 May, 01:37
Re: Lunar distance parallactic retardationAntoine Couëtte22 May, 19:10
Re: Sestrel sextant thoughts?Antoine Couëtte23 May, 11:17
Re: Sestrel sextant thoughts?Antoine Couëtte24 May, 07:18
Re: Parallax in azimuthAntoine Couëtte24 May, 20:34
Re: Lunar distance method of ChauvenetAntoine Couëtte28 May, 09:39
Re: Parallax in azimuthAntoine Couëtte29 May, 06:35
Re: E.O.T. for 2020Antoine Couëtte2 Jun, 14:46
Re: d correctionBarrie Heald29 Mar, 14:05
Re: d correctionBarrie Heald30 Mar, 02:33
Re: M.F. Maury and the progress of historyBill B15 Jul, 20:06
Re: Longitude at noonBill B9 Sep, 23:11
Re: Crelle's tablesBill B28 Sep, 05:47
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:07
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:37
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart21 Jan, 11:43
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart24 Jan, 07:45
Re: Is this a real site (celestial... .info)?Bill Lionheart10 Feb, 08:29
Re: Radio from the middle of nowhereBill Lionheart29 Apr, 21:30
Celestial Navigation TowersBill Lionheart6 May, 15:12
Re: Position from altitude and azimuth.Bill Lionheart9 May, 07:47
Re: Position from altitude and azimuth.Bill Lionheart9 May, 23:18
Re: Position from altitude and azimuth.Bill Lionheart11 May, 07:01
Re: Position from altitude and azimuth.Bill Lionheart12 May, 18:11
Re: NavlistBill Lionheart13 May, 09:01
Re: Position from altitude and azimuth.Bill Lionheart13 May, 09:14
Re: Position from altitude and azimuth.Bill Lionheart15 May, 14:51
Re: Equal Azimuth LinesBill Lionheart15 May, 16:33
Re: Position from altitude and azimuth.Bill Lionheart16 May, 16:59
Davis Mk 25 prismatic monocular upgradeBill Lionheart17 May, 13:04
Re: Position from altitude and azimuth.Bill Lionheart18 May, 09:59
Re: Position from altitude and azimuth.Bill Lionheart19 May, 08:00
Re: Position from altitude and azimuth.Bill Lionheart19 May, 11:13
Re: Position from altitude and azimuth.Bill Lionheart19 May, 13:19
Re: Position from altitude and azimuth.Bill Lionheart19 May, 16:04
Re: Position from altitude and azimuth.Bill Lionheart20 May, 06:18
Re: Position from altitude and azimuth.Bill Lionheart20 May, 18:50
Re: Position from altitude and azimuth.Bill Lionheart21 May, 16:25
Sights with just azimuthBill Lionheart22 May, 19:06
Re: ADMIN: The 21st Century Awaits...Bill Lionheart24 May, 11:15
Automated celnav in the newsBill Lionheart30 May, 15:30
Re: Navigation system failureBill Lionheart1 Jun, 21:41
Re: Sun's GenderBill Lionheart21 Jun, 15:14
Re: Corporal Sadler SAS: Desert NavigationBill Lionheart24 Jun, 18:08
Re: Ex-Meridian Sight using InmansBill Lionheart25 Jun, 07:20
Re: Timex Iron Man Watch=kaputBill Lionheart3 Jul, 08:46
More Cocked HatsBill Lionheart18 Jul, 07:59
Re: More Cocked HatsBill Lionheart19 Jul, 09:58
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul, 07:24
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul, 15:52
Re: The History of Celestial Navigation (2020)Bill Lionheart29 Jul, 12:16
RCC's log archiveBill Lionheart2 Aug, 11:35
Re: Quantum Sensors in Navigation - Free Webinar Monday 10th AugustBill Lionheart10 Aug, 19:30
Re: Who needs a compass? Who needs a sextant?Bill Lionheart19 Aug, 17:55
Re: Digital SextantBill Lionheart10 Sep, 10:55
Re: Single LOP is enough?Bill Lionheart15 Sep, 21:01
Re: Kollsman periscopic sextant mountBill Lionheart22 Sep, 09:51
Re: Curious sextant add-onBill Lionheart22 Oct, 06:57
Re: Curious sextant add-onBill Lionheart22 Oct, 09:44
Curious sextant add-onBill Lockhart21 Oct, 17:06
Re: Curious sextant add-onBill Lockhart22 Oct, 00:14
Re: Curious sextant add-onBill Lockhart22 Oct, 17:42
Re: Dating Hughes and Son sextantsBill Morris5 Jan, 07:13
Re: Kollsman periscopic sextant mountBill Morris17 Feb, 21:15
Re: Artificial horizon: gyro vs bubble?Bill Morris23 Feb, 22:28
Re: Choosing right A-10: how to?Bill Morris27 Feb, 21:55
Re: Kelvin Hughes sounding sextant !Bill Morris17 Mar, 06:34
Re: My sextant repairBill Morris20 Jun, 05:29
Re: My sextant repairBill Morris20 Jun, 21:51
Re: Hughes & Son's Sextant - General InfoBill Morris23 Jun, 22:26
Re: A-10 Sextant Maintenance ManualBill Morris28 Jun, 05:01
Re: Expensive toysBill Morris5 Aug, 09:12
Re: Hezzanith SextantBill Morris6 Sep, 08:50
Re: Hezzanith SextantBill Morris8 Sep, 22:10
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris16 Oct, 01:29
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris17 Oct, 02:41
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris17 Oct, 03:24
Re: Unusual SunBill Ritchie1 Jan, 17:35
Re: Automatic Plotting of LOP's using graphing calculatorBill Ritchie15 Feb, 02:23
Modern Bygrave Slide Rule EmulatorBill Ritchie5 Mar, 20:45
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie18 Mar, 18:53
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie21 Mar, 23:05
Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Bill Ritchie2 Apr, 10:40
Re: Minimum geocentric Saturn-Mars apparent angular DistanceBill Ritchie3 Apr, 12:06
Re: Venus mer-pass for Lat, Sun time sight for Lon.Bill Ritchie19 Apr, 14:52
Re: Comedy on the Greenwich MeridianBill Ritchie18 Jun, 14:36
Re: Navigator's Slide RuleBill Ritchie13 Jul, 08:32
Slide Rule Emulators relocatedBill Ritchie16 Jul, 21:20
Astron relocatedBill Ritchie16 Jul, 21:36
Re: NO Online Meetings TomorrowBill Ritchie6 Sep, 21:42
Re: Crelle's tablesBill Ritchie27 Sep, 21:55
RAF Air Navigation: listing on ebayBob Crawley9 Jan, 19:27
Re: RAF Air Navigation: listing on ebayBob Crawley16 Jan, 10:27
Re: RAF Air Navigation: listing on ebayBob Crawley18 Jan, 09:16
Re: Modern Bygrave Slide Rule EmulatorBob Crawley7 Mar, 09:24
Dutch Nautical Atlas/Almanac 1584Bob Crawley5 Apr, 07:02
Re: Dutch Nautical Atlas/Almanac 1584Bob Crawley6 Apr, 17:50
1583 Dutch Almanac and cross staffBob Crawley9 Apr, 18:51
Re: 1583 Dutch Almanac and cross staffBob Crawley10 Apr, 06:31
Excellent talk by David PikeBob Crawley13 May, 07:08
Re: Celestial in the thin air!Bob Crawley6 Jun, 08:36
Flat Earth?Bob Crawley26 Jun, 06:37
Royal Geographical Society talk: 8 Oct 2020Bob Crawley7 Aug, 07:13
Re: Navigation Training at Sea and in the Air - Free Online SeminarBob Crawley16 Oct, 18:09
Re: How high is "Angels One Five"?Bob Goethe3 Jan, 03:13
Re: Why Can't My GNSS Receiver See Galileo?Bob Goethe19 Jan, 19:27
Japanese star globeBob Goethe29 Feb, 15:55
Russian mechanical navigation computerBob Goethe29 Feb, 15:57
Re: Traditional navigation by slide ruleBob Goethe13 May, 19:37
E.O.T. for 2020Bob Goethe30 May, 18:17
Re: E.O.T. for 2020Bob Goethe30 May, 20:36
Navigation system failureBob Goethe31 May, 12:33
Re: Navigator's Slide RuleBob Goethe11 Jul, 15:49
Re: Navigator's Slide RuleBob Goethe12 Jul, 19:44
Re: Navigator's Slide RuleBob Goethe13 Jul, 16:26
Re: Navigator's Slide RuleBob Goethe13 Jul, 16:28
Re: Martin Creamer dies at 104Bob Goethe8 Sep, 22:19
Re: Martin Creamer dies at 104Bob Goethe9 Sep, 21:57
Re: USNO web app clonedBob Goethe15 Sep, 11:19
Re: USNO web app clonedBob Goethe15 Sep, 12:56
Moon meridian passageBob GW28 Sep, 23:23
Re: Moon meridian passageBob GW29 Sep, 08:35
Re: Moon meridian passageBob GW29 Sep, 09:12
Clear side of horizon mirrors has reflecting properties.Bob GW14 Oct, 09:28
Re: Clear side of horizon mirrors has reflecting properties.Bob GW14 Oct, 17:21
(Almost) no shadowBob Miorelli20 Mar, 20:13
Re: Navigator's Slide RuleBob Peterson13 Jul, 13:50
Re: Variation or Declination?Brad Morris8 Jan, 17:46
Re: Jupiter-Saturn Conjunction: 21 Dec 2020Brad Morris10 Jan, 03:25
Re: Reed's Lunars Calculator AnniversaryBrad Morris11 Jan, 18:56
Re: Curve fitting for noon SunBrad Morris12 Jan, 23:41
Re: Curve fitting for noon SunBrad Morris13 Jan, 00:52
Re: A-10 Sextant Maintenance ManualBrian Holmes25 Jun, 15:12
Determination of the GHA of AriesBrian Jones9 Sep, 18:40
Re: Determination of the GHA of AriesBrian Jones10 Sep, 09:54
Re: Determination of the GHA of AriesBrian Jones12 Sep, 15:19
Re: Sunrise Time Sight /Amplitude LOPBrian Walton3 Mar, 09:46
Re: Celestial Navigation in the British Royal NavyBrian Walton5 May, 07:11
Re: A ramble on "new improved methods"Brian Walton30 Jun, 03:35
Re: A ramble on "new improved methods"Brian Walton1 Jul, 05:26
Re: A ramble on "new improved methods"Brian Walton1 Jul, 21:05
Re: Units in NavigationBrian Walton25 Sep, 04:32
Re: Units in NavigationBrian Walton26 Sep, 10:17
Re: Haversines with LogarithmsBrian Walton16 Oct, 07:58
Re: Haversines with LogarithmsBrian Walton17 Oct, 09:01
Re: Haversines with LogarithmsBrian Walton18 Oct, 14:49
Re: Haversines with LogarithmsBrian Walton20 Oct, 14:45
Re: Celestial navigation: easier basic principle?Bruce Cutting26 Jan, 19:10
Re: Celestial navigation: easier basic principle?Bruce Cutting27 Jan, 03:23
Re: Radio from the middle of nowhereBruce Cutting29 Apr, 18:15
Re: Navigator's Slide RuleBruce Cutting12 Jul, 16:36
Re: Comet NeowiseBruce Cutting21 Jul, 01:14
Re: CN and my PhD thesisBruce Cutting22 Aug, 17:34
Re: CN and my PhD thesisBruce Cutting23 Aug, 01:36
Re: CN and my PhD thesisBruce Cutting23 Aug, 02:00
Re: Longitude at noonBruce Cutting9 Sep, 03:45
Re: Longitude at noonBruce Cutting9 Sep, 18:21
Re: Novice navigator with a Freiberger sextantBruce Cutting9 Sep, 19:51
Re: Digital SextantBruce Cutting11 Sep, 23:45
Re: New Soviet era sextant SNO-TBruce Cutting15 Sep, 00:00
Re: New Soviet era sextant SNO-TBruce Cutting15 Sep, 20:06
Re: New Soviet era sextant SNO-TBruce Cutting16 Sep, 20:13
Re: New Soviet era sextant SNO-TBruce Cutting17 Sep, 02:19
Re: New Soviet era sextant SNO-TBruce Cutting19 Sep, 16:58
Re: Online Webex Meetings Tomorrow, Sep 20Bruce Cutting20 Sep, 21:33
Re: Kollsman periscopic sextant mountBruce Cutting22 Sep, 01:55
Re: US Navy MK II sextant manualBruce Cutting7 Oct, 00:14
Timex Iron Man Watch=kaputBruce J. Pennino1 Jul, 22:08
Re: Kids and the planetsBruce J. Pennino28 Jul, 04:20
Re: AH Level?Bruce J. Pennino8 Aug, 03:08
Moon Rise - I'm Missing SomethingBruce J. Pennino10 Aug, 17:33
Re: CN and my PhD thesisBruce J. Pennino22 Aug, 16:02
Re: Moon meridian passageBruce J. Pennino29 Sep, 23:21
Maskelyne: Astronomer RoyalCharles McElhill23 Mar, 16:33
Re: Maskelyne: Astronomer RoyalCharles McElhill24 Mar, 12:38
Re: Maskelyne: Astronomer RoyalCharles McElhill25 Mar, 21:33
Re: Timex Iron Man Watch=kaputCharles McElhill4 Jul, 13:11
Re: Navigator's Slide RuleCharles McElhill19 Aug, 23:38
Beta testers wantedChris Allison12 Sep, 13:46
Re: Beta testers wantedChris Allison13 Sep, 17:17
Re: Beta testers wantedChris Allison16 Sep, 09:01
Re: A12 vs A8-A sextantsChris Caswell23 Mar, 21:43
Re: Bausch and Lomb 5854 sextantChris Caswell6 Apr, 11:30
LunarsChris Lamousin9 Mar, 03:00
Re: Royal Museums Greenwich closedChris Willmes17 Mar, 20:38
Re: Venus in daylightChris Willmes8 Apr, 22:35
Looking for Kollsman MA-2 sextant in working orderChuck Killian9 Aug, 01:39
Re: Plot Sheet GeneratorDale Lichtblau10 Jul, 21:29
Re: Harold Gatty's KamalDale Lichtblau12 Jul, 13:28
Re: NavList HamsDale Lichtblau12 Jul, 13:41
Re: Sun over Abu SimbelDale Lichtblau12 Jul, 13:58
Re: NavList HamsDale Lichtblau14 Jul, 18:48
Re: M.F. Maury and the progress of historyDale Lichtblau14 Jul, 19:30
Oblate or Prolate...?Dale Lichtblau20 Jul, 20:04
NavList Hams: Longitude by WireDale Lichtblau21 Jul, 01:18
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul, 00:32
Re: Oblate or Prolate...?Dale Lichtblau28 Jul, 20:45
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul, 20:48
Re: Bobby Schenk's Golden SextantDale Lichtblau4 Aug, 18:26
RIP Marvin CreamerDale Lichtblau18 Aug, 14:06
9th Century Lunar problem...Dale Lichtblau7 Sep, 14:39
Re: Curve fitting for noon SunDave Walden14 Jan, 15:10
Time lapse coastal voyage with stars (and he can use a sextant)Dave Walden17 Jan, 23:55
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 01:56
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 03:49
Re: Satellite collision over northeast USDave Walden30 Jan, 00:22
Re: Weems Star Altitude CurvesDave Walden7 Feb, 23:08
Re: Please help to identify a sextantDave Walden18 Feb, 16:03
Re: Martelli Table ProvenanceDave Walden24 Feb, 16:12
Re: Index error vs. index correctionDave Walden21 Mar, 13:04
Re: Minimum geocentric Saturn-Mars apparent angular DistanceDave Walden2 Apr, 16:58
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr, 01:11
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr, 02:43
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr, 03:38
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden13 Apr, 14:35
Re: Weems and Plath Celestial Slide RuleDave Walden14 Apr, 22:45
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden16 Apr, 12:59
Hyatt's Celestial CoordinatorDave Walden26 Apr, 13:49
NavlistDave Walden30 Apr, 11:55
Position from altitude and azimuth.Dave Walden7 May, 17:02
Re: Position from altitude and azimuth.Dave Walden8 May, 11:55
Re: Position from altitude and azimuth.Dave Walden9 May, 12:13
Re: Position from altitude and azimuth.Dave Walden9 May, 12:34
Re: Position from altitude and azimuth.Dave Walden9 May, 13:41
Re: Position from altitude and azimuth.Dave Walden11 May, 03:08
Re: Position from altitude and azimuth.Dave Walden11 May, 23:42
Position from two azimuthsDave Walden15 May, 18:22
Re: Position from two azimuthsDave Walden16 May, 13:43
Re: Position from two azimuthsDave Walden16 May, 13:45
Re: Position from altitude and azimuth.Dave Walden19 May, 22:18
Parallax in azimuthDave Walden24 May, 16:49
Time and placeDave Walden26 May, 01:10
Re: Time and placeDave Walden20 Jun, 19:14
Re: Time and placeDave Walden23 Jun, 20:50
Re: Ball Drop SextantDave Walden23 Jun, 20:55
Re: Hybrid artificial horizonDave Walden20 Jul, 11:39
Re: Beta testers wantedDave Walden13 Sep, 21:18
Re: USNO web app clonedDave Walden15 Sep, 12:42
Re: USNO web app clonedDave Walden17 Sep, 17:35
Re: Kollsman periscopic sextant mountDave Walden21 Sep, 22:49
Re: Kollsman periscopic sextant mountDave Walden23 Sep, 12:09
Re: Polaris' PM in RA?Dave Walden24 Sep, 21:58
Re: Polaris' PM in RA?Dave Walden24 Sep, 22:03
Re: Polaris' PM in RA?Dave Walden24 Sep, 22:16
Re: Polaris' PM in RA?Dave Walden24 Sep, 22:55
Re: Crelle's tablesDave Walden27 Sep, 12:31
Re: Crelle's tablesDave Walden27 Sep, 15:22
Re: New Year's EveDavid C1 Jan, 03:11
Re: New Year's EveDavid C1 Jan, 04:06
Unusual SunDavid C1 Jan, 06:53
Re: Unusual SunDavid C1 Jan, 20:15
Re: Air Almanac 2020 full pdf now available...David C1 Jan, 20:33
Beidou Network OperationalDavid C7 Jan, 23:26
Variation or Declination?David C8 Jan, 03:08
Re: Yellow page in NADavid C14 Jan, 21:11
Designed for the use of British SeamanDavid C18 Jan, 22:06
Compass CheckDavid C19 Jan, 02:12
Re: Compass CheckDavid C19 Jan, 07:15
Re: Compass CheckDavid C19 Jan, 08:07
Re: Compass CheckDavid C20 Jan, 04:27
Re: Compass CheckDavid C20 Jan, 04:34
Percy Lyall Hooker Davis' High Latitude TablesDavid C21 Jan, 05:45
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 21:11
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 21:15
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 22:25
Re: No DR position. How can you get an accurate celestial fix?David C26 Jan, 02:25
Re: No DR position. How can you get an accurate celestial fix?David C27 Jan, 06:33
Scale of InterceptDavid C1 Feb, 04:32
Re: Scale of InterceptDavid C1 Feb, 21:19
Re: Scale of InterceptDavid C2 Feb, 03:16
Re: History & development of HO-249David C4 Feb, 03:10
Re: Is this a real site (celestial... .info)?David C9 Feb, 08:16
Re: [OT] Browser trickDavid C2 Mar, 20:41
Re: Today's sub-Sun pointDavid C3 Mar, 00:40
Time of SunsetDavid C13 Mar, 07:48
Re: Time of SunsetDavid C13 Mar, 21:26
Re: Royal Museums Greenwich closedDavid C18 Mar, 04:53
Re: GPS Anti Spoof ProDavid C27 Mar, 06:24
Re: GPS Anti Spoof ProDavid C27 Mar, 06:28
Re: GPS Anti Spoof ProDavid C27 Mar, 06:41
Re: Venus in daylightDavid C28 Mar, 02:39
Re: Venus in daylightDavid C28 Mar, 23:08
Re: Venus in daylightDavid C28 Mar, 23:17
Re: Venus in daylightDavid C29 Mar, 21:33
Nautical Almanac AppDavid C30 Mar, 21:44
Re: Venus in daylightDavid C31 Mar, 04:38
Re: Bagnold Sun CompassDavid C31 Mar, 06:16
Re: Venus in daylightDavid C31 Mar, 21:30
Re: Venus in daylightDavid C31 Mar, 21:36
Re: Venus in daylightDavid C1 Apr, 05:02
Re: Venus in daylightDavid C1 Apr, 06:38
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C1 Apr, 20:32
Re: Nautical Almanac AppDavid C3 Apr, 21:49
Re: Nautical Almanac AppDavid C3 Apr, 22:41
Re: Nautical Almanac AppDavid C3 Apr, 22:51
Re: Nautical Almanac AppDavid C4 Apr, 21:35
Re: Venus in daylightDavid C5 Apr, 22:19
Re: Nautical Almanac AppDavid C5 Apr, 22:29
Re: Venus in daylightDavid C7 Apr, 00:13
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C8 Apr, 02:07
Re: Venus in daylightDavid C8 Apr, 02:22
Re: Venus in daylightDavid C8 Apr, 07:05
Anti-spoof appDavid C11 Apr, 00:47
Re: Venus mer-pass for Lat, Sun time sight for Lon.David C11 Apr, 00:52
Re: Anti-spoof appDavid C11 Apr, 21:07
Re: Anti-spoof appDavid C12 Apr, 00:14
Re: Anti-spoof appDavid C12 Apr, 02:45
Hughes, Dreisonstok and dec~latDavid C13 Apr, 21:58
Re: Anti-spoof appDavid C14 Apr, 22:54
Re: NavList social sessions LIVE todayDavid C15 Apr, 01:50
Precepts - or how to make things more complicated than they really areDavid C18 Apr, 21:44
HO 200 AquinoDavid C19 Apr, 02:46
Re: HO 200 AquinoDavid C19 Apr, 22:11
HO 200 Copyright InfringementDavid C20 Apr, 03:51
Re: HO 200 Copyright InfringementDavid C20 Apr, 05:05
Ogura's Short Method for Altitude (aka Nories' A_K table)David C21 Apr, 07:01
Re: Anti-spoof appDavid C21 Apr, 22:05
Re: Sign of d in HO249David C23 Apr, 22:23
Change of assumed position terminologyDavid C25 Apr, 01:56
Re: Lockdown Escape (Madness?)David C28 Apr, 00:53
Re: Lockdown Escape (Madness?)David C29 Apr, 03:26
Hav-Doniol re-visitedDavid C29 Apr, 22:13
Re: Lockdown Escape (Madness?)David C29 Apr, 23:40
Re: Radio from the middle of nowhereDavid C29 Apr, 23:59
Re: Lockdown Escape (Madness?)David C30 Apr, 04:50
Re: Calculators "old technology"David C30 Apr, 22:15
Re: Lockdown Escape (Madness?)David C30 Apr, 22:28
Smart and Shearme Position Line TablesDavid C3 May, 00:08
Re: Smart and Shearme Position Line TablesDavid C3 May, 09:43
Re: Smart and Shearme Position Line TablesDavid C3 May, 21:38
Re: Smart and Shearme Position Line TablesDavid C3 May, 21:53
Re: Smart and Shearme Position Line TablesDavid C3 May, 23:45
Re: Smart and Shearme Position Line TablesDavid C6 May, 04:25
Re: Smart and Shearme Position Line TablesDavid C6 May, 22:30
Re: Position from altitude and azimuth.David C8 May, 04:49
Re: Intercept Method or Marcq St. HilaireDavid C14 May, 08:35
Ex-Meridian Sight using InmansDavid C10 Jun, 10:01
Re: Ex-Meridian Sight using InmansDavid C10 Jun, 19:45
Re: Ex-Meridian Sight using InmansDavid C10 Jun, 20:08
Re: Ex-Meridian Sight using InmansDavid C11 Jun, 04:54
EOT Will Change Sign In Thirteen Hours TimeDavid C12 Jun, 03:20
Re: Ex-Meridian Sight using InmansDavid C14 Jun, 05:34
Re: Comedy on the Greenwich MeridianDavid C16 Jun, 05:48
Winter Solstice and a Moon EclipseDavid C21 Jun, 01:33
Re: Winter Solstice and a Moon EclipseDavid C21 Jun, 06:49
Re: Winter Solstice and a Moon EclipseDavid C21 Jun, 06:51
Sun's GenderDavid C21 Jun, 07:08
A ramble on "new improved methods"David C28 Jun, 04:52
Re: A ramble on "new improved methods"David C28 Jun, 20:12
Re: A ramble on "new improved methods"David C29 Jun, 21:02
Re: A ramble on "new improved methods"David C30 Jun, 20:43
Re: A ramble on "new improved methods"David C30 Jun, 22:25
Re: Burton's Nautical TablesDavid C2 Jul, 22:04
Re: Online Meetings SundayDavid C5 Jul, 04:02
Longitude by unequal altitudes - BrentDavid C6 Jul, 03:14
Re: Online Meetings SundayDavid C6 Jul, 03:20
Re: Longitude by unequal altitudes - BrentDavid C7 Jul, 02:53
Re: Longitude by unequal altitudes - BrentDavid C7 Jul, 04:53
Re: Longitude by unequal altitudes - BrentDavid C13 Jul, 05:30
Re: Venus in daylight this monthDavid C13 Jul, 19:11
Re: Venus in daylight this monthDavid C15 Jul, 04:56
Re: Venus in daylight this monthDavid C15 Jul, 05:14
Re: Venus in daylight this monthDavid C15 Jul, 21:15
Re: Dip Short DSLR Camera CN SunDavid C20 Jul, 22:26
Re: Dip Short DSLR Camera CN SunDavid C21 Jul, 02:30
Re: Dip Short DSLR Camera CN SunDavid C21 Jul, 03:01
Re: Burton's Nautical TablesDavid C26 Jul, 03:07
Re: Hybrid artificial horizonDavid C26 Jul, 03:31
Re: Hybrid artificial horizonDavid C26 Jul, 05:02
Re: Hybrid artificial horizonDavid C26 Jul, 21:26
Re: Venus in daylight this weekDavid C27 Jul, 06:10
Re: Venus in daylight this weekDavid C27 Jul, 20:16
Re: Kids and the planetsDavid C27 Jul, 21:19
Re: Kids and the planetsDavid C28 Jul, 02:51
Re: Kids and the planetsDavid C28 Jul, 07:27
Re: The History of Celestial Navigation (2020)David C31 Jul, 05:46
Re: RCC's log archiveDavid C3 Aug, 05:49
Re: AH Level?David C7 Aug, 21:46
Re: Navigation TablesDavid C9 Aug, 20:01
Re: Navigation TablesDavid C10 Aug, 03:10
Re: Moon Rise - I'm Missing SomethingDavid C10 Aug, 23:01
Re: Sextant certificate with a graphDavid C16 Aug, 21:32
Re: Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleDavid C16 Aug, 21:50
Long by Chron - Wikipedia articleDavid C17 Aug, 03:07
Re: Long by Chron - Wikipedia articleDavid C17 Aug, 03:13
Re: Long by Chron - Wikipedia articleDavid C17 Aug, 21:19
What time is it?David C23 Aug, 04:31
Re: What time is it?David C23 Aug, 07:42
Re: What time is it?David C23 Aug, 07:54
Re: What time is it?David C23 Aug, 09:03
Re: What time is it?David C23 Aug, 22:14
Re: What time is it?David C23 Aug, 23:05
Re: Longitude at noonDavid C9 Sep, 04:24
Re: Longitude at noonDavid C9 Sep, 05:26
Re: Determination of the GHA of AriesDavid C10 Sep, 04:49
Re: Problem with Frank Reed updated online almanacDavid C10 Sep, 20:44
Re: Determination of the GHA of AriesDavid C11 Sep, 07:55
Re: Beta testers wantedDavid C13 Sep, 22:43
Significant moment in Atlantic oceanDavid C14 Sep, 00:07
Re: Beta testers wantedDavid C14 Sep, 02:12
Re: USNO web app clonedDavid C15 Sep, 21:01
Re: Single LOP is enough?David C15 Sep, 21:17
Towson's tables?David C17 Sep, 23:19
Re: Towson's tables?David C18 Sep, 22:53
Re: Towson's tables?David C19 Sep, 03:11
Re: Towson's tables?David C19 Sep, 03:44
Re: Towson's tables?David C19 Sep, 04:22
Re: Towson's tables?David C19 Sep, 22:36
Re: Equinox at 13:30 UT... the Sun is heading south!David C22 Sep, 22:56
Re: Equinox at 13:30 UT... the Sun is heading south!David C24 Sep, 22:55
Re: Units in NavigationDavid C25 Sep, 22:22
Re: Units in NavigationDavid C25 Sep, 23:11
Re: Units in NavigationDavid C26 Sep, 21:27
Crelle's tablesDavid C27 Sep, 02:10
Re: Units in NavigationDavid C27 Sep, 22:05
Re: Crelle's tablesDavid C27 Sep, 22:29
Re: Units in NavigationDavid C27 Sep, 22:41
Re: Crelle's tablesDavid C28 Sep, 04:34
Re: GHA of the MoonDavid C3 Oct, 00:26
Re: GHA of the MoonDavid C3 Oct, 08:01
Re: Old navigation books collectionDavid C6 Oct, 04:35
Re: Time sight primerDavid C10 Oct, 08:45
Re: Time sight primerDavid C11 Oct, 02:41
Re: Haversines with LogarithmsDavid C12 Oct, 03:41
Re: Haversines with LogarithmsDavid C13 Oct, 02:40
Re: Haversines with LogarithmsDavid C13 Oct, 19:49
Re: Experience with an artifical horizonDavid C14 Oct, 04:44
Re: Clear side of horizon mirrors has reflecting properties.David C14 Oct, 18:09
Re: Haversines with LogarithmsDavid C14 Oct, 18:51
Re: Haversines with LogarithmsDavid C14 Oct, 18:54
Re: Haversines with LogarithmsDavid C16 Oct, 21:12
Re: Crelle's tablesDavid C17 Oct, 04:29
Re: Crelle's tablesDavid C17 Oct, 05:52
Re: Crelle's tablesDavid C17 Oct, 20:00
Re: Haversines with LogarithmsDavid C19 Oct, 02:05
Re: Haversines with LogarithmsDavid C19 Oct, 04:26
Re: Haversines with LogarithmsDavid C19 Oct, 21:14
Re: Hav-Doniol re-visitedDavid C22 Oct, 20:39
Re: Curve fitting for noon SunDavid Fleming13 Jan, 00:19
Re: Comedy on the Greenwich MeridianDavid Fleming16 Jun, 18:35
Re: Average altitude of a celestial sightDavid Fleming18 Aug, 02:06
Re: Determination of the GHA of AriesDavid Fleming9 Sep, 23:00
Re: Determination of the GHA of AriesDavid Fleming10 Sep, 18:14
Re: Moon meridian passageDavid Fleming29 Sep, 00:57
Re: Experience with an artifical horizonDavid Fleming16 Oct, 03:03
Re: Position bias from UTCDavid Iwancio4 Jan, 20:51
Re: Position bias from UTCDavid Iwancio9 Jan, 11:33
Re: Yellow page in NADavid Iwancio14 Jan, 06:49
Re: Yellow page in NADavid Iwancio14 Jan, 22:33
Re: Cosine formula to solve a right spherical triangle?David Iwancio21 Jan, 18:27
Re: No DR position. How can you get an accurate celestial fix?David Iwancio22 Jan, 09:02
Re: Cosine formula to solve a right spherical triangle?David Iwancio22 Jan, 23:54
HMNAO Websites Down Too?David Iwancio27 Jan, 07:38
Re: HMNAO Websites Down Too?David Iwancio27 Jan, 16:22
Re: Earliest Crescent Moon VisibilityDavid Iwancio27 Jan, 17:21
Re: What does the Analemma depict?David Iwancio12 Feb, 22:27
Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 19:10
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 21:03
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 10:28
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 22:46
Re: ChronographDavid Iwancio5 Mar, 03:46
Re: Sign of d in HO249David Iwancio24 Apr, 07:31
Re: Sign of d in HO249David Iwancio25 Apr, 02:20
Re: Lockdown Escape (Madness?)David Iwancio27 Apr, 15:21
Re: Calculators "old technology"David Iwancio1 May, 19:40
Re: Equal Azimuth LinesDavid Iwancio13 May, 20:19
Re: Equal Azimuth LinesDavid Iwancio14 May, 01:52
Re: Moon corrections: how computation order affects the resultDavid Iwancio1 Sep, 07:56
Re: Moon corrections: how computation order affects the resultDavid Iwancio2 Sep, 11:40
Re: Moon corrections: how computation order affects the resultDavid Iwancio2 Sep, 12:08
Re: Moon corrections: how computation order affects the resultDavid Iwancio3 Sep, 21:50
Re: Determination of the GHA of AriesDavid Iwancio9 Sep, 23:22
Re: Digital SextantDavid Iwancio10 Sep, 18:30
Re: Determination of the GHA of AriesDavid Iwancio10 Sep, 19:14
Re: SD topocentric formulaDavid Iwancio11 Sep, 21:01
Re: USNO web app clonedDavid Iwancio16 Sep, 18:59
Re: Units in NavigationDavid Iwancio24 Sep, 18:18
Re: Units in NavigationDavid Iwancio27 Sep, 08:22
Re: GHA of the MoonDavid Iwancio2 Oct, 00:05
Re: GHA of the MoonDavid Iwancio3 Oct, 18:25
Re: Experience with an artifical horizonDavid Iwancio14 Oct, 07:05
Re: Experience with an artifical horizonDavid Iwancio18 Oct, 17:07
Re: Curious sextant add-onDavid Iwancio21 Oct, 18:10
Re: Curious sextant add-onDavid Iwancio22 Oct, 16:26
Re: Correcting for the movement of an observer: a plausible explanation?David Pike1 Jan, 20:03
Re: Dating Hughes and Son sextantsDavid Pike4 Jan, 23:07
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 09:21
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 19:50
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 23:54
Re: Variation or Declination?David Pike8 Jan, 16:40
Re: SpaceX Starlink launch: photo celestialDavid Pike8 Jan, 22:34
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 10:34
Re: RAF Air Navigation: listing on ebayDavid Pike9 Jan, 21:59
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 22:35
Re: SpaceX Starlink launch: photo celestialDavid Pike12 Jan, 09:08
Re: Yellow page in NADavid Pike13 Jan, 17:49
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 09:00
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 22:52
Re: SpaceX Starlink launch: photo celestialDavid Pike15 Jan, 08:32
Re: RAF Air Navigation: listing on ebayDavid Pike15 Jan, 19:36
Re: Hardly ever get an LOP than 20 NM - why?David Pike17 Jan, 10:31
Re: RAF Air Navigation: listing on ebayDavid Pike17 Jan, 14:01
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan, 18:47
Re: Cold War Sun HoursDavid Pike19 Jan, 19:08
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan, 19:40
Re: Why Can't My GNSS Receiver See Galileo?David Pike22 Jan, 21:16
Re: Captain Cook & celestial navigationDavid Pike22 Jan, 22:32
Re: No DR position. How can you get an accurate celestial fix?David Pike24 Jan, 19:41
Re: No DR position. How can you get an accurate celestial fix?David Pike25 Jan, 08:07
Re: Navigation devices available now on ebay.David Pike25 Jan, 19:40
Re: Navigation devices available now on ebay.David Pike26 Jan, 09:05
Re: Captain Cook & celestial navigationDavid Pike29 Jan, 19:36
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyDavid Pike29 Jan, 21:08
Re: GPS Anti Spoof based on radio sextant ?David Pike30 Jan, 11:50
Re: Scale of InterceptDavid Pike1 Feb, 19:01
A postage stamp on a football?? – try a cricket ball.David Pike2 Feb, 10:28
Re: Kollsman periscopic sextant mountDavid Pike9 Feb, 12:57
Re: A-12 ExperiencesDavid Pike10 Feb, 19:47
Re: A-12 ExperiencesDavid Pike11 Feb, 19:19
Re: Please help to identify a sextantDavid Pike17 Feb, 23:22
Re: Please help to identify a sextantDavid Pike18 Feb, 13:31
Re: Please help to identify a sextantDavid Pike18 Feb, 19:33
Re: Artificial horizon: gyro vs bubble?David Pike19 Feb, 18:36
Re: Artificial horizon: gyro vs bubble?David Pike20 Feb, 17:15
Re: Artificial horizon: gyro vs bubble?David Pike24 Feb, 22:07
Re: Choosing right A-10: how to?David Pike27 Feb, 10:30
Katherine JohnsonDavid Pike27 Feb, 19:37
Re: Choosing right A-10: how to?David Pike27 Feb, 20:58
Re: Choosing right A-10: how to?David Pike27 Feb, 21:30
Re: Choosing right A-10: how to?David Pike1 Mar, 20:01
Re: [OT] Browser trickDavid Pike1 Mar, 22:24
Re: Choosing right A-10: how to?David Pike2 Mar, 11:20
Re: Archive of HMS Bounty fatefulvoyage.comDavid Pike3 Mar, 20:40
Re: Grand Princess and Plague flagDavid Pike17 Mar, 20:02
Navigation webinarsDavid Pike19 Mar, 21:36
Re: Please help to identify a sextantDavid Pike20 Mar, 21:15
Re: Please help to identify a sextantDavid Pike21 Mar, 09:57
Re: Please help to identify a sextantDavid Pike21 Mar, 22:15
Re: Please help to identify a sextantDavid Pike22 Mar, 10:28
Using Photographs from the wwwDavid Pike22 Mar, 13:37
Re: Maskelyne: Astronomer RoyalDavid Pike24 Mar, 21:16
Re: GPS Anti Spoof ProDavid Pike26 Mar, 23:11
Re: GPS Anti Spoof ProDavid Pike27 Mar, 08:40
Re: Venus in daylightDavid Pike29 Mar, 09:46
Re: Navigation webinarsDavid Pike31 Mar, 13:29
Re: Venus in daylightDavid Pike5 Apr, 13:54
Re: Venus in daylightDavid Pike7 Apr, 20:36
Re: Venus in daylightDavid Pike8 Apr, 14:41
Re: Weems and Plath Celestial Slide RuleDavid Pike8 Apr, 20:39
Re: Venus in daylightDavid Pike8 Apr, 21:12
Re: Venus in daylightDavid Pike9 Apr, 18:52
Re: Weems and Plath Celestial Slide RuleDavid Pike10 Apr, 09:04
Re: Weems and Plath Celestial Slide RuleDavid Pike11 Apr, 16:52
Referring to Eds Daves & Davids for exampleDavid Pike11 Apr, 17:07
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr, 09:18
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr, 10:21
Re: NavList social sessions LIVE todayDavid Pike18 Apr, 19:29
Re: Sign of d in HO249David Pike22 Apr, 21:45
Re: Sign of d in HO249David Pike23 Apr, 17:06
Re: Sign of d in HO249David Pike23 Apr, 19:08
Re: Sign of d in HO249David Pike23 Apr, 19:08
Re: Sign of d in HO249David Pike24 Apr, 07:07
Paper: Geometry of Elliptical Probability Contours...David Pike24 Apr, 16:07
Re: Sign of d in HO249David Pike24 Apr, 19:51
Re: Sign of d in HO249David Pike25 Apr, 12:58
Re: Sign of d in HO249David Pike26 Apr, 12:40
Re: A12 vs A8-A sextantsDavid Pike26 Apr, 13:07
Re: Sign of d in HO249David Pike26 Apr, 17:56
Re: A12 vs A8-A sextantsDavid Pike28 Apr, 10:41
Re: Radio from the middle of nowhereDavid Pike30 Apr, 08:24
Re: Smart and Shearme Position Line TablesDavid Pike3 May, 21:35
Re: Celestial Navigation in the British Royal NavyDavid Pike5 May, 07:55
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 10:25
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 10:52
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 17:40
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 20:50
Re: Smart and Shearme Position Line TablesDavid Pike6 May, 16:36
Re: Smart and Shearme Position Line TablesDavid Pike7 May, 08:43
A Lancaster Navigator's Logs and Charts AnalysedDavid Pike7 May, 19:24
75th Anniversary of first Aries polar flightDavid Pike11 May, 09:22
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike11 May, 19:41
Re: Beginning celestial navigation methodDavid Pike13 May, 13:57
Re: Beginning celestial navigation methodDavid Pike13 May, 20:27
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike13 May, 21:28
Re: Beginning celestial navigation methodDavid Pike15 May, 09:24
Re: Position from two azimuthsDavid Pike16 May, 09:57
Re: Position from two azimuthsDavid Pike16 May, 20:48
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike18 May, 20:25
Re: Position from altitude and azimuth.David Pike19 May, 23:30
Re: Position from altitude and azimuth.David Pike20 May, 06:30
Re: Position from altitude and azimuth.David Pike20 May, 16:20
Re: Position from altitude and azimuth.David Pike20 May, 19:43
Re: Position from altitude and azimuth.David Pike21 May, 17:46
Re: Sights with just azimuthDavid Pike23 May, 08:45
Re: ADMIN: The 21st Century Awaits...David Pike24 May, 13:18
Re: Parallax in azimuthDavid Pike24 May, 20:30
Re: Sights with just azimuthDavid Pike29 May, 07:47
Re: Automated celnav in the newsDavid Pike30 May, 19:10
Free webinar GNSS SupercorrelationDavid Pike9 Jun, 18:02
Re: Free webinar GNSS SupercorrelationDavid Pike11 Jun, 18:30
Re: Free webinar GNSS SupercorrelationDavid Pike16 Jun, 09:36
Re: My sextant repairDavid Pike18 Jun, 09:40
Webinar – When GNSS fails, what will you do? Marrinav!David Pike21 Jun, 19:29
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun, 10:56
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun, 14:34
Re: Sextant Collimation ErrorDavid Pike25 Jun, 16:34
Re: Sextant Collimation ErrorDavid Pike25 Jun, 23:14
Re: Sextant Collimation ErrorDavid Pike27 Jun, 10:31
Re: Sextant Collimation ErrorDavid Pike28 Jun, 15:13
Re: Sextant Collimation ErrorDavid Pike28 Jun, 16:47
Re: Online Meetings SundayDavid Pike5 Jul, 20:56
Re: Online Meetings SundayDavid Pike8 Jul, 21:00
Re: Venus in daylight this monthDavid Pike14 Jul, 07:49
Re: Venus in daylight this monthDavid Pike14 Jul, 18:29
RAF O6a CompassDavid Pike17 Jul, 12:01
WEBINAR: Demystifying Contact Tracing AppsDavid Pike17 Jul, 13:36
Re: RAF O6a CompassDavid Pike18 Jul, 20:49
Re: RAF O6a CompassDavid Pike18 Jul, 21:21
Re: More Cocked HatsDavid Pike19 Jul, 07:48
Re: Comet NeowiseDavid Pike20 Jul, 23:56
Re: Comet NeowiseDavid Pike21 Jul, 09:03
Re: Comet NeowiseDavid Pike21 Jul, 10:05
Re: Hybrid artificial horizonDavid Pike27 Jul, 11:34
Kids and the planetsDavid Pike27 Jul, 12:01
Amazon to launch 3000 communication satellitesDavid Pike31 Jul, 19:58
Re: Expensive toysDavid Pike4 Aug, 10:48
Quantum Sensors in Navigation - Free Webinar Monday 10th AugustDavid Pike9 Aug, 14:03
Re: Quantum Sensors in Navigation - Free Webinar Monday 10th AugustDavid Pike10 Aug, 21:29
Re: Moon Rise - I'm Missing SomethingDavid Pike10 Aug, 21:51
Re: Sextant certificate with a graphDavid Pike16 Aug, 19:06
Re: Sextant certificate with a graphDavid Pike16 Aug, 19:21
Re: Sextant certificate with a graphDavid Pike17 Aug, 07:28
Re: Sextant certificate with a graphDavid Pike17 Aug, 08:10
Re: Navigator's Slide RuleDavid Pike18 Aug, 21:59
Re: Navigator's Slide RuleDavid Pike19 Aug, 15:38
Who's that hiding behind Jupiter?David Pike20 Aug, 20:47
Re: Who's that hiding behind Jupiter?David Pike21 Aug, 18:49
Re: Kollsman periscopic sextant mountDavid Pike3 Sep, 13:57
Re: NO Online Meetings TomorrowDavid Pike6 Sep, 07:15
Re: Hezzanith SextantDavid Pike7 Sep, 14:29
Free Webinar: POSITIONS OF TRUST: Can we work with Navigation Systems we struggle to understand?David Pike8 Sep, 18:29
Re: Digital SextantDavid Pike11 Sep, 10:40
Re: Kollsman periscopic sextant mountDavid Pike21 Sep, 20:39
Toy ship begins journeyDavid Pike24 Sep, 09:50
Re: Units in NavigationDavid Pike24 Sep, 16:46
Re: Toy ship begins journeyDavid Pike24 Sep, 16:58
Re: Toy ship begins journeyDavid Pike25 Sep, 11:42
Re: Units in NavigationDavid Pike25 Sep, 19:59
Re: Units in NavigationDavid Pike26 Sep, 12:45
Re: Units in NavigationDavid Pike26 Sep, 19:37
Re: Units in NavigationDavid Pike28 Sep, 21:59
Navigation Systems: online lectureDavid Pike29 Sep, 15:42
Re: Navigation Systems: online lectureDavid Pike30 Sep, 07:33
Re: Navigation Systems: online lectureDavid Pike2 Oct, 15:16
Re: Distance by Vertical AngleDavid Pike6 Oct, 23:16
Re: Battenberg manualsDavid Pike7 Oct, 17:54
Re: Battenberg manualsDavid Pike7 Oct, 18:02
Free Webinar on 17th & 18th Century Marine NavigationDavid Pike7 Oct, 18:24
Re: Battenberg manualsDavid Pike7 Oct, 23:26
Re: Free Webinar on 17th & 18th Century Marine NavigationDavid Pike8 Oct, 18:38
Re: Free Webinar on 17th & 18th Century Marine NavigationDavid Pike8 Oct, 20:56
Re: Battenberg manualsDavid Pike8 Oct, 22:54
Re: Battenberg manualsDavid Pike8 Oct, 23:11
Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike12 Oct, 19:00
Re: Battenberg manualsDavid Pike13 Oct, 18:42
Re: Clear side of horizon mirrors has reflecting properties.David Pike14 Oct, 15:53
Re: Clear side of horizon mirrors has reflecting properties.David Pike14 Oct, 19:55
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike15 Oct, 16:29
Re: Clear side of horizon mirrors has reflecting properties.David Pike16 Oct, 08:49
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike16 Oct, 20:21
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike17 Oct, 09:14
Re: Clear side of horizon mirrors has reflecting properties.David Pike17 Oct, 19:54
Re: Haversines with LogarithmsDavid Pike18 Oct, 19:39
Re: USAF smartphone celestial patentDavid Pike19 Oct, 08:38
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike19 Oct, 15:56
Re: USAF smartphone celestial patentDavid Pike19 Oct, 16:22
Re: USAF smartphone celestial patentDavid Pike19 Oct, 16:34
Re: Curious sextant add-onDavid Pike22 Oct, 17:10
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike22 Oct, 18:25
Re: Curious sextant add-onDavid Pike22 Oct, 19:56
Re: Live, interactive "Office Hours" Oct 23 and Oct 25 (Friday and Sunday)David Pike23 Oct, 08:45
Re: NavList HamsDavid Smith3 May, 07:38
Celestial Navigation in the British Royal NavyDavid Smith4 May, 08:51
Re: Celestial Navigation in the British Royal NavyDavid Smith5 May, 07:52
Spare parts for Mark IX sextantDean Tetley12 Jul, 07:01
Star Tracker - Space Shuttle and the Inertial Upper Stage.Derrick Young4 Apr, 18:53
Re: NavList HamsDerrick Young3 May, 14:42
Re: Sextant handle electric system, out of serviceDiego Melas18 Jun, 12:42
Re: Radio from the middle of nowhereDon Seltzer30 Apr, 14:44
Re: Radio from the middle of nowhereDon Seltzer1 May, 19:03
Re: Who needs a compass? Who needs a sextant?Don Seltzer19 Aug, 19:35
Re: Digital SextantDon Seltzer11 Sep, 13:37
Women navigators in the age of sailDon Seltzer23 Sep, 23:44
Re: Women navigators in the age of sailDon Seltzer24 Sep, 01:25
Re: Units in NavigationDon Seltzer26 Sep, 21:44
Re: Solve this Moon photo!Don Seltzer27 Sep, 20:59
Re: Solve this Moon photo!Don Seltzer29 Sep, 02:22
Is this a real site (celestial... .info)?Doug Faunt8 Feb, 17:59
Re: Is this a real site (celestial... .info)?Doug Faunt8 Feb, 22:12
Re: Google Maps and Street viewDoug Faunt4 Mar, 16:56
Re: Another SpaceX launch: photo celestialDoug Faunt12 Mar, 20:00
Re: Grand Princess and Plague flagDoug Faunt17 Mar, 20:12
Re: Maskelyne: Astronomer RoyalDoug Faunt26 Mar, 00:16
Re: Venus in daylightDoug Faunt29 Mar, 16:50
Re: Venus in daylightDoug Faunt29 Mar, 16:52
Star tracker article, interesting graphicsDoug Faunt3 Apr, 17:14
Re: Venus in daylightDoug Faunt8 Apr, 17:01
Re: Radio from the middle of nowhereDoug Faunt30 Apr, 03:29
Re: Radio from the middle of nowhereDoug Faunt30 Apr, 18:51
Re: Celestial Navigation licensing examsDoug Faunt1 May, 17:19
Re: Radio from the middle of nowhereDoug Faunt1 May, 17:40
Re: Radio from the middle of nowhereDoug Faunt1 May, 19:35
Re: Celestial Navigation licensing examsDoug Faunt2 May, 01:47
Re: Bermuda sailing races cancelledDoug Faunt2 May, 19:28
Re: Bermuda sailing races cancelledDoug Faunt2 May, 22:14
Re: NavList HamsDoug Faunt4 May, 00:14
Re: Celestial Navigation licensing examsDoug Faunt5 May, 22:37
Re: Celestial Navigation licensing examsDoug Faunt6 May, 22:46
Re: A Lancaster Navigator's Logs and Charts AnalysedDoug Faunt13 May, 22:13
Re: Janet Taylor octantDoug Faunt24 May, 01:58
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun, 04:33
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun, 04:51
Re: Sun's GenderDoug Faunt21 Jun, 17:52
Re: Corporal Sadler SAS: Desert NavigationDoug Faunt24 Jun, 17:04
Fun stuff referring to the Prime MeridianDoug Faunt24 Jun, 21:21
Re: Timex Iron Man Watch=kaputDoug Faunt3 Jul, 19:57
Re: Online Meetings SundayDoug Faunt6 Jul, 02:44
Re: NavList HamsDoug Faunt12 Jul, 23:54
Re: Navigator's Slide RuleDoug Faunt13 Jul, 02:59
Re: NavList HamsDoug Faunt14 Jul, 20:51
Re: Venus in daylight this monthDoug Faunt15 Jul, 18:34
Re: Navigator's Slide RuleDoug Faunt19 Aug, 19:03
Re: Kollsman periscopic sextant mountDoug Faunt21 Sep, 15:53
Re: Kollsman periscopic sextant mountDoug Faunt21 Sep, 20:29
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep, 01:09
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep, 17:13
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep, 18:56
A good reason to know celestial navigationDoug Faunt22 Sep, 19:09
Re: Kollsman periscopic sextant mountDoug Faunt23 Sep, 15:56
Re: Units in NavigationDoug Faunt25 Sep, 00:35
Re: Slide ruleDoug Faunt17 Oct, 18:53
Re: Navigation stars and a SpaceX MockshipDoug Faunt22 Oct, 02:33
Re: Curious sextant add-onDoug Faunt22 Oct, 17:23
Article about Frank's Nautical Almanac clone app in Ocean Navigator.Doug Faunt23 Oct, 02:33
Re: Designed for the use of British SeamanDoug MacPherson18 Jan, 23:51
Learning time sights and lunars online.Doug MacPherson17 May, 21:55
Re: Sun's Gender (United Kingdom 1835)Doug MacPherson23 Jun, 03:39
Re: Moon Venus Camera LunarDoug MacPherson19 Jul, 00:19
Re: Online Webex Meetings Tomorrow, Sep 20Doug MacPherson20 Sep, 21:10
Re: Experience with an artifical horizonDoug MacPherson14 Oct, 14:47
Celestaire Astra IIIB backlashDouglas Stephen14 Jun, 17:30
Re: Celestaire Astra IIIB backlashDouglas Stephen15 Jun, 13:01
Re: Celestaire Astra IIIB backlashDouglas Stephen16 Jun, 19:24
Re: Radio from the middle of nowhereDrago Simac29 Apr, 21:45
Re: NO Online Meetings TomorrowDrago Simac7 Sep, 22:12
Finding Longitude from LSTDuane Smith16 Aug, 21:46
Re: Finding Longitude from LSTDuane Smith17 Aug, 05:15
Maskelyne and lunar distanceDucruy Jacques30 Jul, 15:58
Re: Navigating in Microsoft Flight SimulatorDustin Baenen6 Jan, 19:18
Re: No DR position. How can you get an accurate celestial fix?Dustin Baenen20 Jan, 17:42
Re: ChronographDustin Baenen4 Mar, 15:55
Re: ChronographDustin Baenen4 Mar, 21:21
Re: A12 vs A8-A sextantsDustin Baenen23 Mar, 13:42
Re: Referring to Eds Daves & Davids for exampleDustin Baenen13 Apr, 21:35
Re: Venus in daylight this monthDustin Baenen15 Jul, 21:44
Re: Celestial Navigation Exercises and Plotting SheetsDustin Baenen31 Jul, 20:07
Re: Navigating in Microsoft Flight SimulatorDustin Baenen18 Aug, 15:06
Re: Curious sextant add-onDustin Baenen22 Oct, 19:20
Re: Curious sextant add-onDustin Baenen22 Oct, 21:24
Re: Smart Phone CNEd Hlywa5 Mar, 17:56
Re: NavList HamsEd Hlywa3 May, 16:22
Weems and Plath Celestial Slide RuleEd J.8 Apr, 17:52
Re: Weems and Plath Celestial Slide RuleEd J.11 Apr, 19:55
Re: Stellarium, refraction, HPEd Popko10 Jan, 11:23
Re: Stellarium, refraction, HPEd Popko11 Jan, 12:39
Reed's Lunars Calculator AnniversaryEd Popko11 Jan, 12:46
Re: Stellarium, refraction, HPEd Popko12 Jan, 00:09
Re: Reed's Lunars Calculator AnniversaryEd Popko12 Jan, 00:15
Re: Stellarium, refraction, HPEd Popko15 Jan, 13:10
Re: Stellarium, refraction, HPEd Popko15 Jan, 23:47
Re: Bausch and Lomb WWII Aircraft SextantsEd Popko20 Jan, 17:01
Re: Cosine formula to solve a right spherical triangle?Ed Popko26 Jan, 12:36
Re: Celestial navigation: easier basic principle?Ed Popko27 Jan, 10:56
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyEd Popko29 Jan, 21:26
Re: Moon Venus Lunar - Interpretation of resultsEd Popko31 Jan, 12:36
A-12 ExperiencesEd Popko9 Feb, 11:44
Re: A-12 ExperiencesEd Popko10 Feb, 00:57
Re: A-12 ExperiencesEd Popko10 Feb, 01:06
Re: A-12 ExperiencesEd Popko11 Feb, 13:36
Re: A-12 ExperiencesEd Popko12 Feb, 11:12
Re: Sun Slow DayEd Popko12 Feb, 11:23
Re: What does the Analemma depict?Ed Popko13 Feb, 13:35
Using the sun's direct and reflected image to determine a sextant's IEEd Popko9 Mar, 12:59
Re: Using the sun's direct and reflected image to determine a sextant's IEEd Popko9 Mar, 20:23
Re: Using the sun's direct and reflected image to determine a sextant's IEEd Popko10 Mar, 11:46
Re: Kelvin Hughes sounding sextant !Ed Popko17 Mar, 16:51
GPS Anti Spoof ProEd Popko24 Mar, 10:59
Re: Weems and Plath Celestial Slide RuleEd Popko10 Apr, 14:51
Re: Radio from the middle of nowhereEd Popko29 Apr, 12:10
NavList HamsEd Popko2 May, 11:20
Re: Hav-Doniol re-visitedEd Popko6 May, 13:46
BBC - Scientists explain magnetic pole's wanderingsEd Popko11 May, 17:09
Re: Plot Sheet GeneratorEd Popko17 Jul, 10:45
Re: NavList HamsEd Popko17 Jul, 11:00
Re: USNO web app clonedEd Popko18 Sep, 11:42
Re: Experience with an artifical horizonEd Popko18 Oct, 13:38
Re: 24MP DSLR 35mm LunarsEd Popko18 Oct, 13:41
Re: Moon corrections: how computation order affects the resultEric Fernandez1 Sep, 13:36
Re: Moon corrections: how computation order affects the resultEric Fernandez2 Sep, 09:43
Re: Moon corrections: how computation order affects the resultEric Fernandez3 Sep, 19:34
Re: Moon corrections: how computation order affects the resultEric Fernandez4 Sep, 07:45
SD topocentric formulaEric Fernandez11 Sep, 06:34
Re: SD topocentric formulaEric Fernandez12 Sep, 12:40
Re: SD topocentric formulaEric Fernandez12 Sep, 12:50
Re: USNO web app clonedEric Fernandez15 Sep, 15:34
Re: USNO web app clonedEric Fernandez16 Sep, 08:14
Re: Kollsman periscopic sextant mountEric Fernandez21 Sep, 09:58
Troughton sextantEric van der Veen6 Sep, 11:34
Moon corrections: how computation order affects the resultFernandez E31 Aug, 08:43
Re: Dating Hughes and Son sextantsFrancis Upchurch4 Jan, 06:45
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar, 07:52
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar, 21:51
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch19 Mar, 10:52
Re: Longitude by Time Sight Using a Slide RuleFrancis Upchurch23 Mar, 06:39
Re: Maskelyne: Astronomer RoyalFrancis Upchurch23 Mar, 17:28
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Francis Upchurch3 Apr, 17:07
Re: Comedy on the Greenwich MeridianFrancis Upchurch16 Jun, 04:09
Corporal Sadler SAS: Desert NavigationFrancis Upchurch24 Jun, 16:17
Re: M.F. Maury and the progress of historyFrancis Upchurch14 Jul, 20:28
Re: Toy ship begins journeyFrancis Upchurch24 Sep, 20:09
Phosphine biomarker gas in Venus atmosphere.Francis Upchurch8 Oct, 02:48
Kelvin Hughes sounding sextant !Frank Atkins9 Mar, 09:25
Re: Kelvin Hughes sounding sextant !Frank Atkins12 Mar, 12:09
Re: Kelvin Hughes sounding sextant !Frank Atkins13 Mar, 23:28
Re: Kelvin Hughes sounding sextant !Frank Atkins17 Mar, 22:30
Re: Latitude by two stars observed simultaneouslyFrank DeWald17 Jul, 17:25
Re: C Plath sextant, missing partFrank DeWald17 Jul, 18:04
USNOFrank Maxwell20 Feb, 02:32
Re: UsnoFrank Maxwell20 Feb, 22:39
Re: Longitude by Lunar OccultationFrank Reed4 Jan, 18:09
Re: Position bias from UTCFrank Reed4 Jan, 18:37
Re: A strange addition to a sextantFrank Reed4 Jan, 21:22
Re: Dating Hughes and Son sextantsFrank Reed4 Jan, 21:28
Navigating in Microsoft Flight SimulatorFrank Reed6 Jan, 00:59
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 02:25
Re: Moon’s SDFrank Reed7 Jan, 17:09
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 23:59
Re: Beidou Network OperationalFrank Reed8 Jan, 00:21
Re: Variation or Declination?Frank Reed8 Jan, 03:30
Re: Variation or Declination?Frank Reed8 Jan, 17:22
Re: Moon’s SDFrank Reed8 Jan, 19:19
SpaceX Starlink launch: photo celestialFrank Reed8 Jan, 20:10
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 19:56
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 20:12
Re: Stellarium, refraction, HPFrank Reed10 Jan, 01:32
Jupiter-Saturn Conjunction: 21 Dec 2020Frank Reed10 Jan, 02:57
Re: SpaceX Starlink launch: photo celestialFrank Reed11 Jan, 01:22
Re: Reed's Lunars Calculator AnniversaryFrank Reed12 Jan, 00:50
Re: SpaceX Starlink launch: photo celestialFrank Reed12 Jan, 02:57
Re: Stellarium, refraction, HPFrank Reed12 Jan, 23:13
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:02
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:20
Re: Curve fitting for noon SunFrank Reed13 Jan, 01:00
Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 03:33
Re: Stellarium, refraction, HPFrank Reed13 Jan, 04:23
Re: Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 19:27
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 01:25
Re: Stellarium, refraction, HPFrank Reed14 Jan, 01:43
Re: Stellarium, refraction, HPFrank Reed14 Jan, 03:42
Re: Curve fitting for noon SunFrank Reed14 Jan, 19:37
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 20:01
Re: Curve fitting for noon SunFrank Reed14 Jan, 23:42
Re: Stellarium, refraction, HPFrank Reed14 Jan, 23:57
Re: SpaceX Starlink launch: photo celestialFrank Reed15 Jan, 01:08
Re: Stellarium, refraction, HP ---- YES!Frank Reed15 Jan, 01:22
Starlink satellites over New England tonightFrank Reed16 Jan, 18:43
Re: Compass direction from MoonFrank Reed16 Jan, 19:05
Re: Compass direction from MoonFrank Reed17 Jan, 03:20
Some pop culture sextantsFrank Reed17 Jan, 04:09
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed17 Jan, 16:49
Re: Some pop culture sextantsFrank Reed17 Jan, 19:34
Re: Cold War Sun HoursFrank Reed17 Jan, 19:44
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed19 Jan, 03:08
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed19 Jan, 18:04
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 18:13
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 19:27
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 20:01
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 03:15
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 04:08
Re: No DR position. How can you get an accurate celestial fix?Frank Reed23 Jan, 02:56
Re: Cosine formula to solve a right spherical triangle?Frank Reed23 Jan, 03:36
Re: No DR position. How can you get an accurate celestial fix?Frank Reed25 Jan, 19:12
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed26 Jan, 20:56
Re: Earliest Crescent Moon VisibilityFrank Reed27 Jan, 17:04
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed27 Jan, 18:14
Re: GPS Anti Spoof based on radio sextant ?Frank Reed28 Jan, 19:06
Re: Captain Cook & celestial navigationFrank Reed29 Jan, 17:01
Satellite collision over northeast USFrank Reed29 Jan, 19:29
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed31 Jan, 01:36
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 01:57
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 02:07
Re: Scale of InterceptFrank Reed1 Feb, 17:20
Re: Scale of InterceptFrank Reed2 Feb, 01:13
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed2 Feb, 02:08
Re: A postage stamp on a football?? – try a cricket ball.Frank Reed3 Feb, 02:14
Re: Captain Cook & celestial navigationFrank Reed3 Feb, 02:53
Re: History & development of HO-249Frank Reed3 Feb, 03:56
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed3 Feb, 17:58
Re: Latitude by two stars observed simultaneouslyFrank Reed6 Feb, 18:25
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed8 Feb, 04:05
Re: Weems Star Altitude CurvesFrank Reed8 Feb, 18:47
Re: Is this a real site (celestial... .info)?Frank Reed8 Feb, 19:06
Celestial Navigation classes in the UK in JuneFrank Reed8 Feb, 19:30
Re: Classical Lunars diagram: who invented it ?Frank Reed9 Feb, 17:46
Re: Is this a real site (celestial... .info)?Frank Reed10 Feb, 00:25
Sun Slow DayFrank Reed11 Feb, 18:29
Re: Celestial Navigation classes in the UK in JuneFrank Reed13 Feb, 20:05
Re: Lunar distance parallactic retardationFrank Reed17 Feb, 19:32
Re: Two Bodies + Angle Between Them = Third LoPFrank Reed17 Feb, 19:57
Re: Katherine JohnsonFrank Reed27 Feb, 20:17
Today's sub-Sun pointFrank Reed1 Mar, 17:57
Re: [OT] Browser trickFrank Reed1 Mar, 21:22
Archive of HMS Bounty fatefulvoyage.comFrank Reed3 Mar, 20:10
Re: Air Almanac 2020 full pdf now available...Frank Reed4 Mar, 01:42
Re: Today's sub-Sun pointFrank Reed4 Mar, 02:34
Re: Longitudes greater than 180Frank Reed4 Mar, 03:24
Another SpaceX launch: photo celestialFrank Reed8 Mar, 01:03
Re: Another SpaceX launch: photo celestialFrank Reed8 Mar, 22:36
Re: GPS Anti Spoof: time to update...Frank Reed12 Mar, 17:29
Re: Another SpaceX launch: photo celestialFrank Reed12 Mar, 19:41
Royal Museums Greenwich closedFrank Reed17 Mar, 19:55
GMT by Lunar Distance in GuatemalaFrank Reed17 Mar, 19:59
Re: GPS Anti Spoof: time to update...Frank Reed17 Mar, 21:53
Navigate to this islandFrank Reed19 Mar, 19:20
Tabulate Lunar Distances by GHAFrank Reed21 Mar, 19:13
Re: Maskelyne: Astronomer RoyalFrank Reed23 Mar, 21:42
Happy Birthday, John HarrisonFrank Reed25 Mar, 03:24
Re: GPS Anti Spoof ProFrank Reed25 Mar, 03:36
Re: Maskelyne: Astronomer RoyalFrank Reed25 Mar, 04:20
Re: GPS Anti Spoof ProFrank Reed27 Mar, 00:10
Venus in daylightFrank Reed27 Mar, 22:19
Re: Venus in daylightFrank Reed28 Mar, 01:53
Re: Venus in daylightFrank Reed28 Mar, 03:27
Re: Venus in daylightFrank Reed28 Mar, 19:54
Celestial in the Age of Sail, April 7-9, onlineFrank Reed31 Mar, 18:17
Re: Venus in daylightFrank Reed31 Mar, 20:47
Re: Venus in daylightFrank Reed31 Mar, 21:54
Re: Lunars: optimal angular distancesFrank Reed31 Mar, 22:19
Re: Sun-Venus distance observationFrank Reed31 Mar, 22:29
Re: Venus in daylightFrank Reed1 Apr, 05:23
Re: Celestial in the Age of Sail, April 7-9, onlineFrank Reed1 Apr, 21:21
Re: Venus in daylightFrank Reed4 Apr, 22:38
Re: Venus in daylightFrank Reed5 Apr, 22:26
Re: Dutch Nautical Atlas/Almanac 1584Frank Reed5 Apr, 22:41
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed6 Apr, 20:24
Re: Venus in daylightFrank Reed7 Apr, 04:19
NavList-donated Amelia Earhart signFrank Reed7 Apr, 05:54
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed8 Apr, 03:55
NavList social sessions LIVE todayFrank Reed8 Apr, 06:34
Re: Venus in daylightFrank Reed8 Apr, 16:14
Re: NavList social sessions LIVE todayFrank Reed8 Apr, 22:21
Re: Venus in daylightFrank Reed9 Apr, 04:23
Re: Anti-spoof appFrank Reed18 Apr, 17:49
Re: NavList social sessions LIVE todayFrank Reed18 Apr, 18:13
Re: HO 200 AquinoFrank Reed19 Apr, 06:35
Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed19 Apr, 18:16
Online Workshop: Lunars, May 14-16Frank Reed19 Apr, 18:22
Re: False horizon under the Moon, under the Sun too?Frank Reed20 Apr, 17:15
Re: False horizon under the Moon, under the Sun too?Frank Reed20 Apr, 22:50
Re: April 28: Venus maximum brillianceFrank Reed21 Apr, 21:59
Buffy, the Moon is wrong...Frank Reed24 Apr, 19:50
Re: April 28: Venus maximum brillianceFrank Reed26 Apr, 06:01
Re: Hyatt's Celestial CoordinatorFrank Reed26 Apr, 20:54
Radio from the middle of nowhereFrank Reed26 Apr, 23:07
Meteorite over Iraqi Kurdistan in 1888Frank Reed27 Apr, 16:00
Re: Calibrating a Bris with a Davis mk15 sextantFrank Reed27 Apr, 17:47
Re: Radio from the middle of nowhereFrank Reed29 Apr, 17:47
Re: Calculators "old technology"Frank Reed30 Apr, 18:21
Re: Calculators "old technology"Frank Reed30 Apr, 20:55
Re: Calculators "old technology"Frank Reed1 May, 02:45
Re: Radio from the middle of nowhereFrank Reed1 May, 16:24
Celestial Navigation licensing examsFrank Reed1 May, 16:27
Re: Calculators "old technology"Frank Reed2 May, 03:00
Re: NavlistFrank Reed2 May, 17:23
Re: NavList HamsFrank Reed2 May, 17:27
Re: Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed2 May, 17:31
Bermuda sailing races cancelledFrank Reed2 May, 17:53
Re: Bermuda sailing races cancelledFrank Reed2 May, 21:21
Re: Position from altitude and azimuth.Frank Reed10 May, 18:33
Lunars and Traditional CN online workshopsFrank Reed10 May, 18:39
Re: Non-graphical way to solve a wind triangleFrank Reed12 May, 03:39
Re: A Lancaster Navigator's Logs and Charts AnalysedFrank Reed12 May, 23:29
Re: Position from altitude and azimuth.Frank Reed18 May, 21:11
Re: Position from altitude and azimuth.Frank Reed19 May, 06:58
Re: Position from altitude and azimuth.Frank Reed19 May, 15:04
Upcoming Online Celestial Navigation WorkshopsFrank Reed19 May, 23:46
Re: Position from altitude and azimuth.Frank Reed20 May, 18:54
ADMIN: The 21st Century Awaits...Frank Reed24 May, 00:15
Re: Janet Taylor octantFrank Reed24 May, 04:43
Re: Parallax in azimuthFrank Reed25 May, 03:17
Re: E.O.T. for 2020Frank Reed30 May, 19:14
Re: E.O.T. for 2020Frank Reed3 Jun, 04:30
Re: Navigation system failureFrank Reed3 Jun, 20:49
Re: USNO Nav. Star Chart how Old?Frank Reed3 Jun, 21:17
Re: Celestial in the thin air!Frank Reed5 Jun, 20:27
Re: Celestial in the thin air!Frank Reed9 Jun, 19:10
Wild legends of Nathaniel BowditchFrank Reed9 Jun, 20:22
Navwords crossword (1975)Frank Reed9 Jun, 20:26
Re: Ex-Meridian Sight using InmansFrank Reed10 Jun, 19:54
Comedy on the Greenwich MeridianFrank Reed16 Jun, 02:41
Online Celestial Navigation WorkshopsFrank Reed20 Jun, 20:51
Re: Sun's GenderFrank Reed22 Jun, 02:19
Bermuda Race: Exciting finish this yearFrank Reed24 Jun, 00:47
Ares at AriesFrank Reed25 Jun, 22:26
Re: Sextant Collimation ErrorFrank Reed26 Jun, 06:21
Re: Sextant Collimation ErrorFrank Reed28 Jun, 04:52
Re: A ramble on "new improved methods"Frank Reed30 Jun, 21:35
Venus in daylight this monthFrank Reed2 Jul, 22:50
Online Meetings SundayFrank Reed3 Jul, 03:12
Lunar Eclipse non-eventFrank Reed4 Jul, 22:27
Re: Online Meetings SundayFrank Reed4 Jul, 23:41
Re: Online Meetings SundayFrank Reed5 Jul, 04:50
Re: Online Meetings SundayFrank Reed5 Jul, 20:25
Re: Online Meetings SundayFrank Reed6 Jul, 01:49
Re: Longitude by unequal altitudes - BrentFrank Reed7 Jul, 04:30
Sun over Abu SimbelFrank Reed9 Jul, 14:59
Re: Online Meetings SundayFrank Reed11 Jul, 17:00
Re: Trouble solving for spherical triangleFrank Reed12 Jul, 03:43
Comet NeowiseFrank Reed12 Jul, 20:37
Re: Navigator's Slide RuleFrank Reed14 Jul, 03:38
M.F. Maury and the progress of historyFrank Reed14 Jul, 06:33
Re: Venus in daylight this monthFrank Reed14 Jul, 16:30
Re: Venus in daylight this monthFrank Reed15 Jul, 07:32
Re: Astron relocatedFrank Reed16 Jul, 21:48
Re: Backstaff washed up on the beachFrank Reed18 Jul, 05:28
Sextant practice on the space stationFrank Reed19 Jul, 00:40
Re: Sextant practice on the space stationFrank Reed19 Jul, 06:13
Re: Dip Short DSLR Camera CN SunFrank Reed19 Jul, 21:23
Online "Office Hours" in one hourFrank Reed19 Jul, 22:02
Re: Dip Short DSLR Camera CN SunFrank Reed21 Jul, 03:03
Online WorkshopsFrank Reed21 Jul, 21:34
Essay: Navigating by the Heavens...Frank Reed21 Jul, 21:35
Re: Essay: Navigating by the Heavens...Frank Reed22 Jul, 17:37
"Office Hours" in two hoursFrank Reed26 Jul, 20:51
Venus in daylight this weekFrank Reed27 Jul, 04:18
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul, 06:47
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul, 06:59
Expensive toysFrank Reed1 Aug, 23:03
NavList/ReedNavigation.com "Office Hours" tomorrowFrank Reed2 Aug, 03:32
SpaceX views from an old British aircraftFrank Reed2 Aug, 19:12
Re: Expensive toysFrank Reed4 Aug, 18:20
Nautical Almanac 1786Frank Reed4 Aug, 19:52
Latitude by photoFrank Reed7 Aug, 06:18
Re: Latitude by photoFrank Reed7 Aug, 20:16
Re: AH Level?Frank Reed7 Aug, 23:04
Re: Latitude by photoFrank Reed8 Aug, 00:30
Re: Latitude by photoFrank Reed8 Aug, 18:21
Re: NavList/ReedNavigation.com "Office Hours" tomorrowFrank Reed8 Aug, 23:27
Re: Latitude by photoFrank Reed9 Aug, 02:23
Re: Navigation TablesFrank Reed9 Aug, 21:06
Re: Moon Rise - I'm Missing SomethingFrank Reed10 Aug, 18:54
Re: Online Video "Office Hours" tomorrowFrank Reed16 Aug, 01:37
Sextant certificate with a graphFrank Reed16 Aug, 15:55
Re: Sextant certificate with a graphFrank Reed16 Aug, 19:10
Re: Finding Longitude from LSTFrank Reed16 Aug, 22:13
Average altitude of a celestial sightFrank Reed17 Aug, 07:04
Re: Navigating in Microsoft Flight SimulatorFrank Reed17 Aug, 21:23
Re: Average altitude of a celestial sightFrank Reed17 Aug, 22:30
Online Video "Office Hours" tomorrowFrank Reed23 Aug, 02:28
Re: What time is it?Frank Reed23 Aug, 05:45
Re: What time is it?Frank Reed23 Aug, 06:09
Re: Latitude 48 Article Image as CN Piloting ExerciseFrank Reed23 Aug, 16:45
Re: What time is it?Frank Reed23 Aug, 22:24
Re: Navigation with Moon imagesFrank Reed24 Aug, 14:50
Re: Latitude 48 Article Image as CN Piloting ExerciseFrank Reed25 Aug, 02:13
Re: Hughes & Son's Sextant - General InfoFrank Reed28 Aug, 17:51
Online Meetings TomorrowFrank Reed30 Aug, 04:54
ADMIN: last night's internet outageFrank Reed1 Sep, 01:07
Re: Moon corrections: how computation order affects the resultFrank Reed1 Sep, 16:54
Re: Moon corrections: how computation order affects the resultFrank Reed1 Sep, 20:46
Re: Hezzanith SextantFrank Reed4 Sep, 23:57
Re: Hezzanith SextantFrank Reed6 Sep, 03:47
NO Online Meetings TomorrowFrank Reed6 Sep, 03:49
Re: 9th Century Lunar problem...Frank Reed7 Sep, 19:01
Re: Hezzanith SextantFrank Reed7 Sep, 23:11
Re: Yoder SextantFrank Reed8 Sep, 22:28
Re: Hezzanith SextantFrank Reed8 Sep, 23:39
Re: Longitude at noonFrank Reed9 Sep, 00:00
Re: Martin Creamer dies at 104Frank Reed9 Sep, 21:03
Re: Problem with Frank Reed updated online almanacFrank Reed10 Sep, 17:26
Re: Digital SextantFrank Reed10 Sep, 17:51
Re: Problem with Frank Reed updated online almanacFrank Reed11 Sep, 05:13
Re: Problem with Frank Reed updated online almanacFrank Reed11 Sep, 19:42
Re: SD topocentric formulaFrank Reed11 Sep, 20:13
Online Meetings Tomorrow, Sept 13Frank Reed13 Sep, 00:49
Re: Latitude by PolarisFrank Reed13 Sep, 06:16
Re: Beta testers wantedFrank Reed13 Sep, 19:55
USNO web app clonedFrank Reed15 Sep, 10:11
Re: USNO web app clonedFrank Reed15 Sep, 19:22
Re: Single LOP is enough?Frank Reed15 Sep, 19:41
Re: Latitude by PolarisFrank Reed15 Sep, 21:55
Re: USNO web app clonedFrank Reed16 Sep, 01:38
Re: USNO web app clonedFrank Reed16 Sep, 01:56
Re: Single LOP is enough?Frank Reed17 Sep, 19:46
Re: Towson's tables?Frank Reed17 Sep, 23:33
Re: Towson's tables?Frank Reed19 Sep, 03:44
Online Webex Meetings Tomorrow, Sep 20Frank Reed20 Sep, 01:04
Voyages of the Astrolabe, 1826-29 and 1837-40Frank Reed20 Sep, 06:01
Re: Online Webex Meetings Tomorrow, Sep 20Frank Reed20 Sep, 19:25
Re: Kollsman periscopic sextant mountFrank Reed22 Sep, 18:31
Equinox at 13:30 UT... the Sun is heading south!Frank Reed22 Sep, 19:16
Re: Polaris' PM in RA?Frank Reed23 Sep, 17:04
ReedNavigation.com Online Workshops: October 2020Frank Reed23 Sep, 18:21
Re: Equinox at 13:30 UT... the Sun is heading south!Frank Reed23 Sep, 21:03
Re: Women navigators in the age of sailFrank Reed24 Sep, 00:46
Star globe details and a Russian/Soviet bookFrank Reed24 Sep, 04:37
Re: Polaris' PM in RA?Frank Reed24 Sep, 16:47
ADMIN: NavList Operations ContributionsFrank Reed24 Sep, 23:53
Re: Units in NavigationFrank Reed26 Sep, 04:05
Re: Units in NavigationFrank Reed26 Sep, 18:02
Re: Units in NavigationFrank Reed26 Sep, 19:17
Re: Units in NavigationFrank Reed26 Sep, 19:43
Re: Star globe details and a Russian/Soviet bookFrank Reed26 Sep, 22:36
NO online "Office Hours" tomorrow...Frank Reed27 Sep, 00:28
Re: Units in NavigationFrank Reed27 Sep, 03:58
Solve this Moon photo!Frank Reed27 Sep, 06:14
Re: Solve this Moon photo!Frank Reed27 Sep, 21:26
Re: Solve this Moon photo!Frank Reed28 Sep, 19:18
Re: Moon meridian passageFrank Reed29 Sep, 01:01
Re: Solve this Moon photo!Frank Reed29 Sep, 05:55
Re: GHA of the MoonFrank Reed1 Oct, 22:34
Re: GHA of the MoonFrank Reed3 Oct, 05:12
Re: GHA of the MoonFrank Reed3 Oct, 18:39
Modern Celestial Navigation workshops postponed until mid-NovemberFrank Reed3 Oct, 20:28
Online Meeting Tomorrow, Oct 4, "Distance by Vertical Angle"Frank Reed3 Oct, 20:46
Re: GHA of the MoonFrank Reed3 Oct, 22:59
Re: GHA of the MoonFrank Reed3 Oct, 23:09
Re: GHA of the MoonFrank Reed5 Oct, 21:11
Distance by Vertical AngleFrank Reed6 Oct, 18:09
Re: Distance by Vertical AngleFrank Reed7 Oct, 18:16
Re: Distance by Vertical AngleFrank Reed8 Oct, 00:42
Re: Time sight primerFrank Reed11 Oct, 01:00
Re: Haversines with LogarithmsFrank Reed11 Oct, 01:21
Online Meetings Tomorrow, Oct 11Frank Reed11 Oct, 01:31
Re: Haversines with LogarithmsFrank Reed11 Oct, 16:03
Historical US nautical charts and other mapsFrank Reed11 Oct, 21:16
Re: Haversines with LogarithmsFrank Reed12 Oct, 17:51
Re: 24MP DSLR 35mm LunarsFrank Reed15 Oct, 01:55
Re: Problem: index correction by starFrank Reed15 Oct, 18:53
Re: Navigation Training at Sea and in the Air - Free Online SeminarFrank Reed15 Oct, 23:04
Re: Crelle's tablesFrank Reed17 Oct, 18:17
No "Office Hours" todayFrank Reed18 Oct, 08:42
USAF smartphone celestial patentFrank Reed18 Oct, 22:58
Workshop this weekend: Celestial in the Age of SailFrank Reed20 Oct, 15:49
My "Office Hours" sessions, schedule changeFrank Reed20 Oct, 17:26
Re: Haversines with LogarithmsFrank Reed20 Oct, 20:36
Navigation stars and a SpaceX MockshipFrank Reed21 Oct, 19:56
Re: Navigation stars and a SpaceX MockshipFrank Reed22 Oct, 02:08
French inertial-celestial systemFrank Reed22 Oct, 21:27
Live, interactive "Office Hours" Oct 23 and Oct 25 (Friday and Sunday)Frank Reed23 Oct, 03:14
Re: Haversines with LogarithmsFrank Reed23 Oct, 07:36
Re: Dating Hughes and Son sextantsFred Hebard4 Jan, 21:11
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 05:06
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 19:19
Re: Hardly ever get an LOP than 20 NM - why?Fred Hebard17 Jan, 14:29
Re: Cosine formula to solve a right spherical triangle?Fred Hebard22 Jan, 16:35
Re: April 28: Venus maximum brillianceFred Hebard26 Apr, 11:21
Re: Hybrid artificial horizonFred Hebard25 Jul, 21:28
Re: CN and my PhD thesisFred Hebard22 Aug, 16:06
Re: Kollsman periscopic sextant mountFred Hebard22 Sep, 17:49
Re: USAF smartphone celestial patentFred Hebard19 Oct, 08:53
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook1 Jan, 01:08
A strange addition to a sextantGary LaPook4 Jan, 19:14
Re: A strange addition to a sextantGary LaPook4 Jan, 21:42
GPS jammingGary LaPook16 Jan, 08:20
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook21 Jan, 19:17
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook23 Jan, 19:26
Navigation devices available now on ebay.Gary LaPook25 Jan, 07:05
Re: Navigation devices available now on ebay.Gary LaPook25 Jan, 23:17
Re: Navigation devices available now on ebay.Gary LaPook27 Jan, 05:02
Re: Earliest Crescent Moon VisibilityGary LaPook27 Jan, 17:30
Re: History & development of HO-249Gary LaPook3 Feb, 00:21
Re: History & development of HO-249Gary LaPook5 Feb, 18:46
Re: History & development of HO-249Gary LaPook5 Feb, 19:25
Re: History & development of HO-249Gary LaPook5 Feb, 19:29
Re: History & development of HO-249Gary LaPook5 Feb, 19:30
Re: Kollsman periscopic sextant mountGary LaPook9 Feb, 05:54
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:09
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:46
Re: Kollsman periscopic sextant mountGary LaPook16 Feb, 07:13
Re: Choosing right A-10: how to?Gary LaPook27 Feb, 06:55
Re: Choosing right A-10: how to?Gary LaPook29 Feb, 01:40
Re: Choosing right A-10: how to?Gary LaPook2 Mar, 08:13
Re: Modern Bygrave Slide Rule EmulatorGary LaPook6 Mar, 19:06
Re: Modern Bygrave Slide Rule EmulatorGary LaPook10 Mar, 20:42
Re: H.O. 249: rounding HoGary LaPook18 Mar, 07:36
Re: Index error vs. index correctionGary LaPook22 Mar, 01:39
Re: A12 vs A8-A sextantsGary LaPook22 Mar, 19:02
Re: A12 vs A8-A sextantsGary LaPook22 Mar, 19:06
Re: A12 vs A8-A sextantsGary LaPook24 Mar, 03:30
Re: NavList-donated Amelia Earhart signGary LaPook7 Apr, 19:31
Re: False horizon under the Moon, under the Sun too?Gary LaPook20 Apr, 18:58
Re: False horizon under the Moon, under the Sun too?Gary LaPook21 Apr, 20:55
Re: Sign of d in HO249Gary LaPook24 Apr, 00:37
Re: WWV is audible again (here)Gary LaPook24 Apr, 19:54
Re: Paper: Geometry of Elliptical Probability Contours...Gary LaPook24 Apr, 19:56
Re: Radio from the middle of nowhereGary LaPook29 Apr, 22:33
Re: Radio from the middle of nowhereGary LaPook30 Apr, 05:07
Re: Radio from the middle of nowhereGary LaPook30 Apr, 05:16
Re: Lockdown Escape (Madness?)Gary LaPook30 Apr, 21:43
Re: Celestial Navigation licensing examsGary LaPook1 May, 19:53
Re: Celestial Navigation licensing examsGary LaPook1 May, 19:54
Air Almanac for 2020Gary LaPook5 May, 19:56
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 07:46
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 07:51
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 18:44
Re: Kollsman Type 106C U.S. Navy MK IX Aircraft CompassGary LaPook19 May, 18:26
Re: Celestial in the thin air!Gary LaPook5 Jun, 18:22
Re: Ww2 A-8 octantGary LaPook10 Jun, 18:25
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun, 07:40
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun, 07:48
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook13 Jul, 18:34
Re: M.F. Maury and the progress of historyGary LaPook14 Jul, 06:55
Re: Slide Rule Emulators relocatedGary LaPook17 Jul, 17:44
Re: NavList HamsGary LaPook17 Jul, 17:46
Re: Hybrid artificial horizonGary LaPook20 Jul, 10:10
Re: Making an artificial horizonGary LaPook25 Jul, 06:12
Re: Kollsman periscopic sextant mountGary LaPook1 Sep, 07:45
Re: Moon corrections: how computation order affects the resultGary LaPook1 Sep, 19:48
Re: Kollsman periscopic sextant and mountGary LaPook3 Sep, 06:36
Re: Kollsman periscopic sextant and mountGary LaPook3 Sep, 06:56
Re: Good Book On Air NavigationGary LaPook4 Sep, 04:02
Re: Good Book On Air NavigationGary LaPook4 Sep, 04:29
Re: Latitude by PolarisGary LaPook13 Sep, 21:55
Re: Single LOP is enough?Gary LaPook15 Sep, 18:29
Re: Kollsman periscopic sextant mountGary LaPook21 Sep, 08:38
Re: Kollsman periscopic sextant mountGary LaPook21 Sep, 19:29
Re: Kollsman periscopic sextant mountGary LaPook21 Sep, 21:23
Re: Kollsman periscopic sextant mountGary LaPook22 Sep, 07:43
Re: Kollsman periscopic sextant mountGary LaPook22 Sep, 08:12
Re: Kollsman periscopic sextant mountGary LaPook22 Sep, 08:16
Re: Cel Nav Training FilmGary LaPook22 Sep, 08:51
Units in NavigationGary LaPook24 Sep, 01:30
Re: Units in NavigationGary LaPook24 Sep, 09:39
Re: Units in NavigationGary LaPook24 Sep, 20:45
Re: Units in NavigationGary LaPook25 Sep, 18:44
Re: Units in NavigationGary LaPook26 Sep, 09:27
Re: Units in NavigationGary LaPook26 Sep, 18:11
Re: Units in NavigationGary LaPook27 Sep, 03:00
Re: Units in NavigationGary LaPook27 Sep, 03:03
Re: Units in NavigationGary LaPook27 Sep, 21:24
Re: Units in NavigationGary LaPook27 Sep, 21:42
Re: Units in NavigationGary LaPook28 Sep, 07:31
Re: Units in NavigationGary LaPook28 Sep, 07:46
Re: Units in NavigationGary LaPook28 Sep, 19:57
Re: Units in NavigationGary LaPook28 Sep, 20:01
Re: Units in NavigationGary LaPook29 Sep, 00:02
Re: GHA of the MoonGary LaPook2 Oct, 08:22
Re: Haversines with LogarithmsGary LaPook12 Oct, 23:41
Re: Experience with an artifical horizonGary LaPook14 Oct, 17:12
Re: Haversines with LogarithmsGary LaPook14 Oct, 18:01
Re: Experience with an artifical horizonGary LaPook16 Oct, 17:26
Re: Navigation Training at Sea and in the Air - Free Online SeminarGary LaPook17 Oct, 05:43
Re: Navigation Training at Sea and in the Air - Free Online SeminarGary LaPook17 Oct, 20:42
Re: Experience with an artifical horizonGary LaPook18 Oct, 22:26
Re: Smithsonian Collection of Aircraft SextantsGary LaPook20 Oct, 03:53
Re: Curious sextant add-onGary LaPook21 Oct, 21:06
Re: Curious sextant add-onGary LaPook22 Oct, 08:08
Re: Haversines with LogarithmsGary LaPook23 Oct, 06:56
Re: Haversines with LogarithmsGary LaPook23 Oct, 19:19
Re: NavlistGeoffrey Butt12 May, 14:54
Re: Mystery Navy DeviceGeoffrey Kolbe12 Jan, 13:18
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan, 06:50
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan, 07:34
Re: Celestial navigation: easier basic principle?Geoffrey Kolbe27 Jan, 06:54
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 06:58
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 07:44
Re: Moon Venus Lunar - Interpretation of resultsGeoffrey Kolbe31 Jan, 15:06
Re: Captain Cook & celestial navigationGeoffrey Kolbe2 Feb, 08:10
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:17
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:36
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 06:20
Re: A-12 ExperiencesGeoffrey Kolbe9 Feb, 17:47
Re: A-12 ExperiencesGeoffrey Kolbe10 Feb, 05:56
Re: Please help to identify a sextantGeoffrey Kolbe18 Feb, 16:56
Re: Longitudes greater than 180Geoffrey Kolbe4 Mar, 07:44
Re: AH - sandwich (working concept)Geoffrey Kolbe5 Mar, 07:06
Re: ChronographGeoffrey Kolbe5 Mar, 09:14
Re: Please help to identify a sextantGeoffrey Kolbe21 Mar, 20:20
Re: Maskelyne: Astronomer RoyalGeoffrey Kolbe26 Mar, 06:13
Re: A12 vs A8-A sextantsGeoffrey Kolbe25 Apr, 18:16
Re: April 28: Venus maximum brillianceGeoffrey Kolbe26 Apr, 15:56
Re: A12 vs A8-A sextantsGeoffrey Kolbe28 Apr, 06:48
Re: Radio from the middle of nowhereGeoffrey Kolbe30 Apr, 06:26
Calculators "old technology"Geoffrey Kolbe30 Apr, 17:50
Re: Position from altitude and azimuth.Geoffrey Kolbe12 May, 09:55
Re: Celestaire Astra IIIB backlashGeoffrey Kolbe15 Jun, 15:11
Re: My sextant repairGeoffrey Kolbe20 Jun, 18:56
Re: Sun's GenderGeoffrey Kolbe22 Jun, 08:03
Re: The History of Celestial Navigation (2020)Geoffrey Kolbe28 Jul, 08:27
Martin Creamer dies at 104Geoffrey Kolbe8 Sep, 14:32
Re: Units in NavigationGeoffrey Kolbe24 Sep, 05:16
Re: More Cocked HatsGeorge Kaplan25 Jul, 20:31
Re: The History of Celestial Navigation (2020)George Kaplan30 Jul, 02:08
Re: The History of Celestial Navigation (2020)George Kaplan31 Jul, 00:42
Re: USNO web app clonedGeorge Kaplan19 Sep, 18:11
Re: USNO web app clonedGeorge Kaplan19 Sep, 20:55
Re: Kollsman periscopic sextant mountGlen Swanson21 Sep, 08:03
Beginning celestial navigation methodGrace O'Farrell12 May, 10:37
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 15:52
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 16:24
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 16:43
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 17:08
Re: Beginning celestial navigation methodGrace O'Farrell14 May, 14:41
Re: Beginning celestial navigation methodGrace O'Farrell15 May, 11:13
Re: Beginning celestial navigation methodGrace O'Farrell15 May, 18:50
Non-graphical way to solve a wind triangleGreg B11 May, 01:51
Re: My Marine E6M ( A marine version of the E6B )Greg B12 May, 13:42
Re: NavlistGreg Hill2 May, 12:44
Re: NavList HamsGreg Licfi3 May, 12:40
My Marine E6M ( A marine version of the E6B )Greg Licfi11 May, 01:21
Re: SpaceX Starlink launch: photo celestialGreg Rudzinski9 Jan, 15:23
Re: Hardly ever get an LOP than 20 NM - why?Greg Rudzinski17 Jan, 14:38
Re: Celestial Navigation classes in the UK in JuneGreg Rudzinski8 Feb, 20:33
Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:07
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:56
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 18:18
Sunrise Time Sight /Amplitude LOPGreg Rudzinski1 Mar, 21:49
Smart Phone CNGreg Rudzinski2 Mar, 14:12
Re: Smart Phone CNGreg Rudzinski3 Mar, 15:47
Re: ChronographGreg Rudzinski4 Mar, 14:20
Re: ChronographGreg Rudzinski4 Mar, 14:31
Re: ChronographGreg Rudzinski4 Mar, 15:16
Re: ChronographGreg Rudzinski4 Mar, 19:18
Re: Smart Phone CNGreg Rudzinski5 Mar, 02:52
Re: Smart Phone CNGreg Rudzinski5 Mar, 19:51
Re: Modern Bygrave Slide Rule EmulatorGreg Rudzinski6 Mar, 20:49
Re: Smart Phone CNGreg Rudzinski6 Mar, 23:05
Re: Smart Phone CNGreg Rudzinski7 Mar, 10:55
Custom Ex-Meridian Table for Slide RuleGreg Rudzinski8 Mar, 18:10
Re: Custom Ex-Meridian Table for Slide RuleGreg Rudzinski9 Mar, 02:07
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar, 17:21
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar, 19:39
Custom Compact Sight Reduction TablesGreg Rudzinski9 Mar, 22:13
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar, 23:34
Re: Navigate to this islandGreg Rudzinski19 Mar, 20:08
Re: Navigate to this islandGreg Rudzinski19 Mar, 20:10
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski22 Mar, 23:19
Re: Venus in daylightGreg Rudzinski29 Mar, 00:41
Re: NavList ResourcesGreg Rudzinski14 Apr, 14:38
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski26 Apr, 17:55
Re: Lockdown Escape (Madness?)Greg Rudzinski27 Apr, 13:08
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski27 Apr, 21:08
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski28 Apr, 13:05
Re: Lockdown Escape (Madness?)Greg Rudzinski29 Apr, 16:16
Re: Hav-Doniol re-visitedGreg Rudzinski30 Apr, 00:56
Re: Lockdown Escape (Madness?)Greg Rudzinski30 Apr, 11:34
Re: Calculators "old technology"Greg Rudzinski30 Apr, 17:57
Re: Height CorrectionGreg Rudzinski7 May, 12:52
Re: Height CorrectionGreg Rudzinski8 May, 12:48
Re: Intercept Method or Marcq St. HilaireGreg Rudzinski14 May, 12:27
Re: Mark III plastic sextantGreg Rudzinski6 Jun, 21:18
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun, 17:27
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun, 20:30
Re: Ex-Meridian Sight using InmansGreg Rudzinski14 Jun, 14:16
Re: Sextant Collimation ErrorGreg Rudzinski26 Jun, 13:54
Re: A ramble on "new improved methods"Greg Rudzinski28 Jun, 13:02
Re: A ramble on "new improved methods"Greg Rudzinski29 Jun, 12:40
Re: A ramble on "new improved methods"Greg Rudzinski30 Jun, 14:52
Re: A ramble on "new improved methods"Greg Rudzinski1 Jul, 12:17
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 14:49
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 15:44
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 23:25
First Surface Mirror Modification for Davis Artificial HorizonGreg Rudzinski13 Jul, 00:21
Re: Venus in daylight this monthGreg Rudzinski14 Jul, 12:45
Re: Venus in daylight this monthGreg Rudzinski14 Jul, 17:07
Moon Venus Camera LunarGreg Rudzinski17 Jul, 12:54
Re: Moon Venus Camera LunarGreg Rudzinski17 Jul, 15:28
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul, 12:41
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul, 13:03
Dip Short DSLR Camera CN SunGreg Rudzinski19 Jul, 14:36
Re: Hybrid artificial horizonGreg Rudzinski20 Jul, 02:27
Re: Hybrid artificial horizonGreg Rudzinski20 Jul, 16:14
Re: Comet NeowiseGreg Rudzinski21 Jul, 00:48
Re: Comet NeowiseGreg Rudzinski22 Jul, 01:02
Re: Essay: Navigating by the Heavens...Greg Rudzinski22 Jul, 18:37
Re: Hybrid artificial horizonGreg Rudzinski23 Jul, 20:37
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul, 12:34
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul, 20:29
Re: Hybrid artificial horizonGreg Rudzinski24 Jul, 22:26
Re: Hybrid artificial horizonGreg Rudzinski25 Jul, 13:30
Re: Hybrid artificial horizonGreg Rudzinski25 Jul, 19:50
Re: Hybrid artificial horizonGreg Rudzinski25 Jul, 20:49
Re: Plotting sheetsGreg Rudzinski30 Jul, 21:44
Re: Celestial Navigation Exercises and Plotting SheetsGreg Rudzinski31 Jul, 19:53
Pre Hurricane LunarGreg Rudzinski2 Aug, 06:17
Re: Latitude by photoGreg Rudzinski7 Aug, 13:42
Re: Latitude by photoGreg Rudzinski7 Aug, 23:02
Re: Latitude by photoGreg Rudzinski8 Aug, 00:46
Re: Latitude by photoGreg Rudzinski9 Aug, 02:45
Re: Moon Rise - I'm Missing SomethingGreg Rudzinski10 Aug, 21:38
Re: Long by Chron - Wikipedia articleGreg Rudzinski17 Aug, 10:38
Re: Average altitude of a celestial sightGreg Rudzinski18 Aug, 00:12
Re: Who needs a compass? Who needs a sextant?Greg Rudzinski18 Aug, 23:52
Calibrating New 24MP DSLR Canon Rebel for CNGreg Rudzinski19 Aug, 18:28
Re: Calibrating New 24MP DSLR Canon Rebel for CNGreg Rudzinski21 Aug, 12:41
Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug, 12:22
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug, 16:37
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug, 16:53
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug, 20:30
Re: Navigation with Moon imagesGreg Rudzinski24 Aug, 11:39
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski25 Aug, 04:22
Re: Navigation with Moon imagesGreg Rudzinski26 Aug, 01:59
Re: Navigation with Moon imagesGreg Rudzinski27 Aug, 20:53
Re: Navigation with Moon imagesGreg Rudzinski28 Aug, 19:50
Lunar Jupiter Lunar Calibration ImageGreg Rudzinski29 Aug, 04:07
Re: Longitude at noonGreg Rudzinski8 Sep, 22:59
Re: Digital SextantGreg Rudzinski10 Sep, 13:21
Sound Tracks for LunarsGreg Rudzinski11 Sep, 00:13
Re: Beta testers wantedGreg Rudzinski12 Sep, 22:09
Re: Single LOP is enough?Greg Rudzinski15 Sep, 18:24
Re: Solve this Moon photo!Greg Rudzinski27 Sep, 15:48
Re: Solve this Moon photo!Greg Rudzinski28 Sep, 02:59
Re: Azimuth diagram of Hanno IxGreg Rudzinski28 Sep, 13:06
Re: Solve this Moon photo!Greg Rudzinski28 Sep, 13:30
Re: Solve this Moon photo!Greg Rudzinski28 Sep, 20:30
Re: Haversines with LogarithmsGreg Rudzinski11 Oct, 18:51
Re: Haversines with LogarithmsGreg Rudzinski12 Oct, 06:03
Re: Haversines with LogarithmsGreg Rudzinski12 Oct, 14:28
Re: Experience with an artifical horizonGreg Rudzinski13 Oct, 22:04
24MP DSLR 35mm LunarsGreg Rudzinski14 Oct, 13:26
Re: 24MP DSLR 35mm LunarsGreg Rudzinski14 Oct, 16:08
Re: 24MP DSLR 35mm LunarsGreg Rudzinski15 Oct, 02:27
Re: Experience with an artifical horizonGreg Rudzinski16 Oct, 01:06
Re: Hav-Doniol re-visitedGreg Rudzinski22 Oct, 23:26
Re: Hav-Doniol re-visitedGreg Rudzinski23 Oct, 00:20
Trouble solving for spherical triangleHahns Burg11 Jul, 23:36
Re: Trouble solving for spherical triangleHahns Burg12 Jul, 12:21
Re: Navigator's Slide RuleHahns Burg12 Jul, 13:19
Novice navigator with a Freiberger sextantHans van der Zeijden9 Sep, 18:42
Compass direction from MoonHerman Dekker16 Jan, 18:39
Earliest Crescent Moon VisibilityHerman Dekker27 Jan, 14:27
Re: Earliest Crescent Moon VisibilityHerman Dekker29 Jan, 11:31
Re: Katherine Johnson/Browser trickHerman Dekker28 Feb, 08:32
Re: Sun-Venus distance observationHerman Dekker27 Mar, 19:46
Re: Celestial in the Age of Sail, April 7-9, onlineHerman Dekker1 Apr, 09:11
Re: Nautical Almanac AppHerman Dekker5 Apr, 07:21
Re: Nautical Almanac AppHerman Dekker5 Apr, 21:39
Re: Meridian Passage Table, Daily PagesHerman Dekker7 Apr, 08:30
STARPILOT TI-89(Titanium) calculator program update.Herman Dekker9 Apr, 17:50
Re: Anti-spoof appHerman Dekker12 Apr, 07:21
USNO Nav. Star Chart how Old?Herman Dekker3 Jun, 20:36
Re: Problem with Frank Reed updated online almanacHerman Dekker10 Sep, 21:00
Re: Problem with Frank Reed updated online almanacHerman Dekker11 Sep, 06:27
Re: USNO web app clonedHerman Dekker16 Sep, 06:09
Old navigation books collectionHerman Dekker5 Oct, 20:43
How long until Sun goes down?Herman Dekker13 Oct, 18:10
Re: Crelle's tablesHerman Dekker17 Oct, 07:17
Re: Curve fitting for noon SunHewitt Schlereth14 Jan, 00:38
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth17 Jan, 19:58
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth18 Jan, 23:03
Re: Online Workshop: Lunars, May 14-16Hewitt Schlereth19 Apr, 21:08
Re: Spare parts for Mark IX sextantHewitt Schlereth12 Jul, 23:54
Re: M.F. Maury and the progress of historyHewitt Schlereth14 Jul, 22:45
Re: M.F. Maury and the progress of historyHewitt Schlereth16 Jul, 20:28
Re: Moon Venus Camera LunarHewitt Schlereth18 Jul, 18:34
Re: One of Hewitt Schlereth's books just got plugged on YouTube.Hewitt Schlereth26 Jul, 19:57
Re: Expensive toysHewitt Schlereth3 Aug, 21:11
Impressive circumnavigation remembered - Ocean Navigator - Web Exclusives 2016Hewitt Schlereth18 Aug, 15:02
Re: Who needs a compass? Who needs a sextant?Hewitt Schlereth19 Aug, 18:44
Re: Dutch Nautical Atlas/Almanac 1584Huub Robroek5 Apr, 13:34
Re: 1583 Dutch Almanac and cross staffHuub Robroek10 Apr, 09:35
Re: Why Can't My GNSS Receiver See Galileo?Ian Vaughn19 Jan, 21:43
Re: Unusual SunIgor S.1 Jan, 22:30
Yellow page in NAIgor S.13 Jan, 09:12
Re: Curve fitting for noon SunIgor S.13 Jan, 17:00
Re: Compass direction from MoonIgor S.16 Jan, 19:44
Re: Hardly ever get an LOP than 20 NM - why?Igor S.17 Jan, 08:56
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsIgor S.24 Jan, 23:45
GPS Anti Spoof based on radio sextant ?Igor S.27 Jan, 16:43
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 20:18
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 22:22
History & development of HO-249Igor S.2 Feb, 17:18
Re: Russian Tables of Computed Altitude and AzimuthIgor S.5 Feb, 09:36
Re: History & development of HO-249Igor S.5 Feb, 09:42
Re: Is this a real site (celestial... .info)?Igor S.8 Feb, 18:55
AH - sandwich (working concept)Igor S.4 Mar, 23:45
Re: AH - sandwich (working concept)Igor S.6 Mar, 00:00
H.O. 249: rounding HoIgor S.17 Mar, 22:56
Re: Please help to identify a sextantIgor S.19 Mar, 23:35
Re: Sun-Venus distance observationIgor S.27 Mar, 10:58
Re: Sun-Venus distance observationIgor S.29 Mar, 21:33
Re: Sun-Venus distance observationIgor S.29 Mar, 21:56
Re: Venus in daylightIgor S.4 Apr, 21:40
Re: Celestial Navigation licensing examsIgor S.5 May, 19:25
Re: Celestial Navigation licensing examsIgor S.6 May, 19:30
A short explanatory CN videoIgor S.11 May, 23:37
A method for darkening glassIgor S.22 Jul, 08:35
The History of Celestial Navigation (2020)Igor S.27 Jul, 09:14
Re: Celestial Navigation Exercises and Plotting SheetsIgor S.31 Jul, 21:49
CN and my PhD thesisIgor S.22 Aug, 08:48
Re: CN and my PhD thesisIgor S.22 Aug, 22:29
Re: CN and my PhD thesisIgor S.22 Aug, 23:03
AstronawigacjaIgor S.24 Aug, 19:09
Re: Single LOP is enough?Igor S.15 Sep, 21:11
Re: Star globe details and a Russian/Soviet bookIgor S.25 Sep, 08:41
Re: Star globe details and a Russian/Soviet bookIgor S.26 Sep, 21:54
Re: Russian celestial star globeIgor S.27 Sep, 10:13
Re: A strange addition to a sextantJackson McDonald4 Jan, 22:08
Re: Navigate to this islandJackson McDonald19 Mar, 20:15
Re: Maskelyne: Astronomer RoyalJackson McDonald23 Mar, 18:11
Re: Amazon to launch 3000 communication satellitesJackson McDonald31 Jul, 21:05
Who needs a compass? Who needs a sextant?Jackson McDonald18 Aug, 13:07
Re: Kollsman periscopic sextant mountJacob M. Huffman III6 Jan, 00:14
Re: Kollsman periscopic sextant mountJakub Stastny6 Feb, 07:05
Re: Navigate to this islandJames F Campbell19 Mar, 20:20
Re: 2020-04-12: 59 Earth revolutions around the Sun - since the first man orbited the Earth!James F Campbell12 Apr, 19:35
Re: Radio from the middle of nowhereJames F Campbell29 Apr, 20:35
Plot Sheet GeneratorJames F Campbell9 Jul, 18:08
Re: Plot Sheet GeneratorJames F Campbell17 Jul, 19:14
Re: The History of Celestial Navigation (2020)James F Campbell28 Jul, 19:41
Re: Radio from the middle of nowhereJames Hofmann30 Apr, 17:43
GHA of the MoonJames Vrancik1 Oct, 22:00
Re: GHA of the MoonJames Vrancik2 Oct, 21:48
Re: GHA of the MoonJames Vrancik3 Oct, 20:29
ChronographJason Owens2 Mar, 22:41
ChronographsJason Owens4 Mar, 03:37
Re: Kelvin Hughes sounding sextant !Jean-Philippe Planas17 Mar, 17:29
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C17 Jan, 09:34
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C18 Jan, 09:45
Re: Compass CheckJeremy C19 Jan, 10:19
Re: Calculating the time when GHA is equals zero?Jeremy C12 Mar, 08:06
Re: Calculating the time when GHA is equals zero?Jeremy C13 Mar, 12:22
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar, 04:35
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar, 10:39
Re: Grand Princess and Plague flagJeremy C18 Mar, 09:08
Re: Grand Princess and Plague flagJeremy C18 Mar, 09:13
Re: NavList HamsJeremy C3 May, 20:18
Re: NavList HamsJeremy C4 May, 02:12
Re: Moon meridian passageJeremy C30 Sep, 18:03
IPhone 10 Compass/SextantJeremy Clark19 Jan, 14:35
Re: Hardly ever get an LOP than 20 NM - why?Jim Hickey17 Jan, 14:16
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 03:14
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 15:41
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 23:39
Re: Navigating in Microsoft Flight SimulatorJim Rives7 Jan, 03:17
Moon’s SDJim Rives7 Jan, 14:02
Re: Moon’s SDJim Rives8 Jan, 03:49
Re: Variation or Declination?Jim Rives8 Jan, 17:01
Re: Moon’s SDJim Rives9 Jan, 21:11
Stellarium, refraction, HPJim Rives9 Jan, 21:25
Re: Stellarium, refraction, HPJim Rives9 Jan, 23:24
Re: Stellarium, refraction, HPJim Rives11 Jan, 01:20
Re: Stellarium, refraction, HPJim Rives11 Jan, 18:08
Re: Stellarium, refraction, HPJim Rives12 Jan, 14:11
Re: Stellarium, refraction, HPJim Rives13 Jan, 01:09
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:08
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:45
Re: Stellarium, refraction, HPJim Rives14 Jan, 01:00
Re: Stellarium, refraction, HPJim Rives14 Jan, 02:54
Re: Stellarium, refraction, HPJim Rives15 Jan, 00:03
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 00:18
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 01:45
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 04:02
Re: Stellarium, refraction, HPJim Rives15 Jan, 17:40
Lunar 17Jan20 Interpretation of ResultsJim Rives19 Jan, 13:08
Mars Occultation Feb 18 2020Jim Rives19 Jan, 14:42
Re: No DR position. How can you get an accurate celestial fix?Jim Rives19 Jan, 17:30
Re: Satellite collision over northeast USJim Rives30 Jan, 02:59
Moon Venus Lunar - Interpretation of resultsJim Rives30 Jan, 16:49
Anti-spoof testing my sextantJim Rives30 Jan, 17:00
Re: Moon Venus Lunar - Interpretation of resultsJim Rives31 Jan, 02:59
Re: Anti-spoof testing my sextantJim Rives31 Jan, 03:06
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:09
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:38
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:46
Re: Moon Venus Lunar - Interpretation of resultsJim Rives2 Feb, 22:26
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:19
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:54
Re: Anti-spoof appJim Rives11 Apr, 03:09
Re: Anti-spoof appJim Rives12 Apr, 01:45
Re: Radio from the middle of nowhereJim Rives29 Apr, 17:42
Re: Azimuth diagram of Hanno IxJim Williams28 Sep, 04:36
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy6 Jan, 17:49
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy7 Jan, 04:01
Re: Variation or Declination?Joe Suligoy8 Jan, 04:44
Re: Stellarium, refraction, HPJoe Suligoy10 Jan, 23:51
Re: Stellarium, refraction, HP ---- YES!Joe Suligoy15 Jan, 03:20
Re: Radio from the middle of nowhereJohn Carbone29 Apr, 18:34
Re: Navigator's Slide RuleJohn Carbone12 Jul, 16:11
Celestial navigation resurgence (Yachting World)John Carbone8 Oct, 12:17
Re: Units in NavigationJohn Clements26 Sep, 20:01
Re: Free Webinar on 17th & 18th Century Marine NavigationJohn Clements9 Oct, 21:37
Re: Clear side of horizon mirrors has reflecting properties.John Clements16 Oct, 05:51
Re: New Year's EveJohn D. Howard1 Jan, 03:42
Re: How high is "Angels One Five"?John D. Howard3 Jan, 03:25
Re: Position bias from UTCJohn D. Howard8 Jan, 02:52
Re: Curve fitting for noon SunJohn D. Howard13 Jan, 01:35
Re: Hardly ever get an LOP than 20 NM - why?John D. Howard18 Jan, 16:08
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan, 17:41
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan, 17:47
Re: Captain Cook & celestial navigationJohn D. Howard31 Jan, 18:35
Re: Scale of InterceptJohn D. Howard1 Feb, 17:55
Re: Scale of InterceptJohn D. Howard2 Feb, 01:25
Re: Two Bodies + Angle Between Them = Third LoPJohn D. Howard17 Feb, 19:33
Re: Today's sub-Sun pointJohn D. Howard3 Mar, 13:11
Single LOP is enough?John Deen15 Sep, 12:47
Re: Single LOP is enough?John Deen16 Sep, 08:48
My sextant repairJohn Fosh17 Jun, 16:06
Re: Battenberg manualsJohn Niven7 Oct, 19:01
Re: Battenberg manualsJohn Niven9 Oct, 11:09
Re: Non-graphical way to solve a wind triangleJoseph Rheubeck11 May, 16:36
Backstaff washed up on the beachJosh Paterson18 Jul, 04:55
Re: 1583 Dutch Almanac and cross staffJürgen Hoefeld9 Apr, 19:49
Re: Hyatt's Celestial CoordinatorJürgen Hoefeld26 Apr, 20:30
Re: Ball Drop SextantJürgen Hoefeld23 Jun, 19:46
Re: Voyages of the Astrolabe, 1826-29 and 1837-40Jürgen Hoefeld20 Sep, 07:12
Re: Smithsonian Collection of Aircraft SextantsJürgen Hoefeld19 Oct, 07:38
Re: Kollsman periscopic sextant mountKen Gebhart6 Jan, 15:36
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Ken Gebhart12 Jul, 18:05
Re: Is this a real site (celestial... .info)?Ken Gebhart Jr.10 Feb, 00:48
Re: Flight 19 routeKevin MacKenzie30 Sep, 19:59
Re: Flight 19 routeKevin MacKenzie5 Oct, 16:54
Re: Radio from the middle of nowhereLars Bergman29 Apr, 19:10
Re: Smart and Shearme Position Line TablesLars Bergman3 May, 16:22
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 09:43
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 19:36
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 20:50
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:05
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:13
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:59
Re: Position from altitude and azimuth.Lars Bergman8 May, 20:16
Re: Position from altitude and azimuth.Lars Bergman9 May, 10:07
Re: Position from altitude and azimuth.Lars Bergman9 May, 21:35
Re: Position from altitude and azimuth.Lars Bergman9 May, 21:40
Re: Position from altitude and azimuth.Lars Bergman12 May, 11:56
Re: Time and placeLars Bergman28 May, 19:04
Re: Time and placeLars Bergman29 May, 08:03
Re: Time and placeLars Bergman23 Jun, 14:39
Re: Time and placeLars Bergman24 Jun, 08:40
Burton's Nautical TablesLars Bergman2 Jul, 20:16
Re: Longitude by unequal altitudes - BrentLars Bergman6 Jul, 09:42
Re: Longitude by unequal altitudes - BrentLars Bergman7 Jul, 15:08
Re: Crelle's tablesLars Bergman27 Sep, 19:50
Re: Haversines with LogarithmsLars Bergman11 Oct, 14:40
Re: Crelle's tablesLars Bergman17 Oct, 09:11
Hardly ever get an LOP than 20 NM - why?Laurence HOlden17 Jan, 03:42
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 02:48
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:07
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:14
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 03:17
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:21
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:30
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 23:45
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 02:45
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 07:03
Re: Grand Princess and Plague flagLu Abel17 Mar, 18:47
Re: Timex Iron Man Watch=kaputLu Abel2 Jul, 15:43
Re: Timex Iron Man Watch=kaputLu Abel2 Jul, 19:38
Re: Timex Iron Man Watch=kaputLu Abel3 Jul, 03:06
Re: Mystery Navy DeviceLuc Van den Borre11 Jan, 23:15
Bobby Schenk's Golden SextantLuc Van den Borre3 Aug, 14:40
Re: New Soviet era sextant SNO-TLuc Van den Borre15 Sep, 07:59
Re: Curious sextant add-onLuc Van den Borre21 Oct, 18:41
Re: Kollsman periscopic sextant mountLudwig Schweinfurth31 Aug, 22:53
Re: Kollsman periscopic sextant mountLudwig Schweinfurth21 Sep, 01:05
Sextant handle electric system, out of serviceManuel Acosta17 Jun, 22:51
Re: Sextant handle electric system, out of serviceManuel Acosta19 Jun, 04:02
Re: Online Workshop: Lunars, May 14-16Manuel Cruz19 Apr, 22:20
Re: NavList HamsManuel Cruz2 May, 18:27
Re: Radio from the middle of nowhereMarcel Tschudin3 May, 19:23
New Soviet era sextant SNO-TMarkku Kalima14 Sep, 19:59
Re: New Soviet era sextant SNO-TMarkku Kalima15 Sep, 19:40
Re: New Soviet era sextant SNO-TMarkku Kalima16 Sep, 18:59
Re: New Soviet era sextant SNO-TMarkku Kalima19 Sep, 10:43
Russian celestial star globeMarkku Kalima19 Sep, 10:58
Re: Russian celestial star globeMarkku Kalima27 Sep, 06:10
Stellarium Star Filtering.?Marty Lyons7 Apr, 14:00
Re: AH Level?Marty Lyons8 Aug, 02:37
Re: Experience with an artifical horizonMarty Lyons15 Oct, 23:00
Haversines with LogarithmsMatthew Gianelloni10 Oct, 16:15
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct, 11:46
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct, 12:14
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct, 16:14
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 01:10
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 01:17
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 10:56
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 11:44
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 14:13
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 14:36
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 18:13
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct, 23:51
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct, 11:26
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct, 12:05
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct, 18:22
Re: Experience with an artifical horizonMatthew Gianelloni14 Oct, 11:24
Re: Experience with an artifical horizonMatthew Gianelloni14 Oct, 11:32
Re: Haversines with LogarithmsMatthew Gianelloni14 Oct, 19:31
Re: Haversines with LogarithmsMatthew Gianelloni15 Oct, 10:31
Re: Haversines with LogarithmsMatthew Gianelloni16 Oct, 11:10
Re: Haversines with LogarithmsMatthew Gianelloni17 Oct, 18:25
Re: Kelvin Hughes sounding sextant !Michael Bradley11 Mar, 23:37
Re: Kelvin Hughes sounding sextant !Michael Bradley12 Mar, 12:04
Lockdown Escape (Madness?)Michael Bradley27 Apr, 08:53
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr, 13:34
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr, 17:44
Re: Lockdown Escape (Madness?)Michael Bradley29 Apr, 10:20
Re: Celestial Navigation in the British Royal NavyMichael Bradley4 May, 14:22
Re: Hav-Doniol re-visitedMichael Bradley4 May, 22:18
Re: Sestrel sextant thoughts?Michael Bradley23 May, 09:16
Re: M.F. Maury and the progress of historyMichael Bradley15 Jul, 06:23
Re: Average altitude of a celestial sightMichael Bradley17 Aug, 08:19
Hadley Cell AnecdoteMichael Bradley19 Aug, 12:39
Re: GHA of the MoonMichael Bradley4 Oct, 12:01
Re: Battenberg manualsMichael Bradley8 Oct, 14:23
Re: Curious sextant add-onMichael Bradley22 Oct, 18:39
Re: Yellow page in NAMichael Cain13 Jan, 15:53
Re: Katherine JohnsonMichael Cain27 Feb, 21:39
Final posting: Ron Peel, DFCMichael Cain28 Feb, 21:20
Re: ChronographMichael Cain4 Mar, 16:25
Re: False horizon under the Moon, under the Sun too?Michael Cain20 Apr, 23:17
Re: Celestial Navigation in the British Royal NavyMichael Cain5 May, 21:23
Re: Celestial Navigation Exercises and Plotting SheetsMichael Cain31 Jul, 23:34
Re: Kollsman periscopic sextant mountMichael Jones15 Feb, 19:08
Re: H.O. 249: rounding HoMichael Jones20 Mar, 04:26
A12 vs A8-A sextantsMichael Jones22 Mar, 13:51
Re: A12 vs A8-A sextantsMichael Jones22 Mar, 21:06
Re: A12 vs A8-A sextantsMichael Jones23 Mar, 19:33
Bagnold Sun CompassMichael Jones31 Mar, 04:00
Re: Radio from the middle of nowhereMichael Jones29 Apr, 20:25
Re: Celestial in the thin air!Michael Jones5 Jun, 14:57
Re: Celestial in the thin air!Michael Jones5 Jun, 15:03
Bausch and Lomb 5854 sextantMichael Nolan5 Apr, 12:00
Re: No DR position. How can you get an accurate celestial fix?Mike Burkes25 Jan, 16:01
Re: A strange set of Venus LoPs.Mike Burkes6 Apr, 23:26
Re: Ex-Meridian Sight using InmansMike Burkes24 Jun, 19:39
Re: Historic US chart & map collectionsMike Mayer17 Jan, 15:29
Re: A-8A Aircraft SextantMike Prokop13 Jun, 01:15
Problem with Frank Reed updated online almanacModris Fersters10 Sep, 13:00
Experience with an artifical horizonModris Fersters13 Oct, 18:51
Problem: index correction by starModris Fersters15 Oct, 18:23
Re: Problem: index correction by starModris Fersters16 Oct, 05:49
Re: Sextant certificate with a graphMurray Buckman17 Aug, 18:03
Re: Navigator's Slide RuleMurray Buckman19 Aug, 01:27
Re: Navigator's Slide RuleMurray Buckman19 Aug, 19:15
Re: Who's that hiding behind Jupiter?Murray Buckman20 Aug, 22:34
Re: What time is it?Murray Buckman23 Aug, 16:45
Re: Hughes & Son's Sextant - General InfoMurray Buckman26 Aug, 18:03
Re: Hezzanith SextantMurray Buckman7 Sep, 23:42
Re: Hezzanith SextantMurray Buckman8 Sep, 02:44
Re: Towson's tables?Murray Buckman19 Sep, 17:50
Re: Distance by Vertical AngleMurray Buckman7 Oct, 18:18
Re: Haversines with LogarithmsMurray Buckman13 Oct, 00:28
Re: Navigation stars and a SpaceX MockshipMurray Buckman22 Oct, 01:20
Re: Navigation stars and a SpaceX MockshipMurray Buckman22 Oct, 18:55
Navigator's Slide RuleMurray Felstead10 Jul, 05:47
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Murray Felstead7 Aug, 11:45
Re: Moon’s SDMurray Peake7 Jan, 17:09
Re: Weems Star Altitude CurvesMurray Peake5 Feb, 17:39
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 19:43
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 20:17
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 21:05
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 22:28
Re: Weems Star Altitude CurvesMurray Peake7 Feb, 08:54
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 08:52
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 09:09
Sestrel sextant thoughts?Ned Lloyd23 May, 03:28
Re: Sestrel sextant thoughts?Ned Lloyd23 May, 18:40
Janet Taylor octantNed Lloyd23 May, 19:30
Re: Sestrel sextant thoughts?Ned Lloyd24 May, 01:51
Re: Janet Taylor octantNed Lloyd24 May, 13:23
Re: Dating Hughes and Son sextantsNiall Fitzpatrick3 Jan, 09:24
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan, 17:33
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan, 18:46
Re: Hardly ever get an LOP than 20 NM - why?Nick M19 Jan, 02:03
Re: ChronographNick M4 Mar, 13:46
AH Level?Noell Wilson7 Aug, 20:42
Re: AH Level?Noell Wilson8 Aug, 14:35
Arrgh!Noell Wilson19 Sep, 12:56
Re: Units in NavigationNoell Wilson24 Sep, 17:13
Navigation TablesPaul Bedel9 Aug, 14:46
Re: Navigation TablesPaul Bedel10 Aug, 08:32
Re: Longitude at noonPaul Bedel10 Sep, 15:09
Re: Towson's tables?Paul Bedel19 Sep, 14:49
Re: Towson's tables?Paul Bedel20 Sep, 14:04
Re: Pilot watch slide rulesPaul Dolkas3 Jan, 02:34
Re: Radium Infused Bubble SextantPaul Dolkas3 Jan, 04:36
Re: Hybrid artificial horizonPaul Dolkas29 Jul, 03:24
Re: Pilot watch slide rulesPaul Hirose3 Jan, 07:50
Re: Position bias from UTCPaul Hirose7 Jan, 21:46
Re: Position bias from UTCPaul Hirose9 Jan, 06:22
Re: Stellarium, refraction, HPPaul Hirose14 Jan, 19:31
Historic US chart & map collectionsPaul Hirose16 Jan, 21:03
Fwd: Journal of,Astronomical History and Heritage December 2019Paul Hirose22 Jan, 05:18
Arthur Rostron's sextantPaul Hirose31 Jan, 22:15
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose1 Feb, 23:54
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose3 Feb, 19:00
Re: Is this a real site (celestial... .info)?Paul Hirose8 Feb, 19:47
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose12 Feb, 06:11
Lunar distance parallactic retardationPaul Hirose14 Feb, 21:24
Longitudes greater than 180Paul Hirose3 Mar, 22:07
Re: Using the sun's direct and reflected image to determine a sextant's IEPaul Hirose10 Mar, 06:03
Re: Kelvin Hughes sounding sextant !Paul Hirose13 Mar, 21:36
Index error vs. index correctionPaul Hirose13 Mar, 21:38
Re: Calculating the time when GHA is equals zero?Paul Hirose14 Mar, 20:21
Re: H.O. 249: rounding HoPaul Hirose20 Mar, 18:43
Re: A12 vs A8-A sextantsPaul Hirose27 Apr, 17:21
Re: Height CorrectionPaul Hirose8 May, 20:49
Re: Lunar distance parallactic retardationPaul Hirose20 May, 05:20
Lunar distance method of ChauvenetPaul Hirose26 May, 04:59
Re: Lunar distance method of ChauvenetPaul Hirose26 May, 19:07
Re: Parallax in azimuthPaul Hirose29 May, 19:20
Re: Celestaire Astra IIIB backlashPaul Hirose15 Jun, 19:48
Re: Polaris' PM in RA?Paul Hirose24 Sep, 21:02
Sky & Telescope Magazine article on Capt. Cook's AstronomyPaul Saffo26 Jan, 06:28
Re: Today's sub-Sun pointPaul Saffo2 Mar, 17:54
Grand Princess and Plague flagPaul Saffo17 Mar, 04:45
Re: Radio from the middle of nowherePaul Saffo3 May, 14:00
Re: Radio from the middle of nowherePaul Saffo3 May, 19:41
Re: Radio from the middle of nowherePaul Saffo4 May, 18:10
Re: Latitude by photoPaul Saffo8 Aug, 06:10
Re: Latitude by photoPaul Saffo8 Aug, 18:11
Re: Latitude by photoPaul Saffo9 Aug, 00:03
Re: Navigator's Slide RulePaul Saffo18 Aug, 07:25
Sextant problem gonePaul Werner31 Mar, 12:09
Re: No DR position. How can you get an accurate celestial fix?Peter Hakel25 Jan, 03:39
Re: Venus mer-pass for Lat, Sun time sight for Lon.Peter Hakel12 Apr, 02:04
Re: Position from altitude and azimuth.Peter Hakel8 May, 04:16
Re: Position from altitude and azimuth.Peter Hakel10 May, 23:26
Re: Position from altitude and azimuth.Peter Hakel12 May, 00:21
Re: Position from altitude and azimuth.Peter Hakel13 May, 00:19
Re: Position from two azimuthsPeter Hakel16 May, 07:51
Re: Position from two azimuthsPeter Hakel16 May, 21:15
Re: E.O.T. for 2020Peter Hakel1 Jun, 02:31
Re: Kollsman periscopic sextant mountPeter Hakel22 Sep, 00:05
Re: Kollsman periscopic sextant mountPeter Hakel23 Sep, 13:37
Re: GHA of the MoonPeter Hakel4 Oct, 05:01
Re: Crelle's tablesPeter Hakel17 Oct, 20:16
Re: Celestial navigation: easier basic principle?Peter Monta26 Jan, 07:44
Re: Celestial navigation: easier basic principle?Peter Monta27 Jan, 02:59
Re: Royal Museums Greenwich closedPeter Monta17 Mar, 23:40
Re: Please help to identify a sextantPeter Monta21 Mar, 23:25
Re: Venus in daylightPeter Monta4 Apr, 03:40
Re: WWV is audible again (here)Peter Monta24 Apr, 20:34
Re: Radio from the middle of nowherePeter Monta1 May, 23:40
Re: Davis Mk 25 prismatic monocular upgradePeter Monta18 May, 18:54
Re: Parallax in azimuthPeter Monta25 May, 08:13
Re: Mark III plastic sextantPeter Monta7 Jun, 00:44
Re: Free webinar GNSS SupercorrelationPeter Monta11 Jun, 02:40
Re: Celestaire Astra IIIB backlashPeter Monta14 Jun, 21:23
Re: Comedy on the Greenwich MeridianPeter Monta16 Jun, 04:40
Re: Sextant Collimation ErrorPeter Monta26 Jun, 03:35
Re: Sextant Collimation ErrorPeter Monta28 Jun, 02:36
Hybrid artificial horizonPeter Monta19 Jul, 18:43
Re: Hybrid artificial horizonPeter Monta24 Jul, 19:07
Re: Hybrid artificial horizonPeter Monta25 Jul, 17:48
Re: Hybrid artificial horizonPeter Monta25 Jul, 17:59
Re: Hybrid artificial horizonPeter Monta26 Jul, 18:40
Re: Hybrid artificial horizonPeter Monta27 Jul, 02:29
Re: AH Level?Peter Monta12 Aug, 05:21
Re: Navigator's Slide RulePeter Monta18 Aug, 21:32
Re: Calibrating New 24MP DSLR Canon Rebel for CNPeter Monta20 Aug, 12:03
Re: Calibrating New 24MP DSLR Canon Rebel for CNPeter Monta21 Aug, 20:24
Navigation with Moon imagesPeter Monta24 Aug, 02:33
Re: Navigation with Moon imagesPeter Monta25 Aug, 15:52
Re: Navigation with Moon imagesPeter Monta25 Aug, 16:02
Re: Navigation with Moon imagesPeter Monta25 Aug, 16:15
Re: Navigation with Moon imagesPeter Monta27 Aug, 16:19
Re: Navigation with Moon imagesPeter Monta28 Aug, 14:07
Re: New Soviet era sextant SNO-TPeter Monta17 Sep, 00:37
Re: RAF O6a CompassPeter Smith18 Jul, 14:22
Re: Air Almanac 2020 full pdf now available...Phil F10 Apr, 07:57
Re: A strange addition to a sextantPhilippe Posth5 Jan, 08:52
Re: Is this a real site (celestial... .info)?Philippe Posth9 Feb, 19:07
Sign of d in HO249Philippe Posth22 Apr, 14:20
Re: Sign of d in HO249Philippe Posth23 Apr, 21:36
Longitude at noonPhilippe Posth8 Sep, 19:21
Re: Longitude à midiPhilippe Posth9 Sep, 06:30
Re: Longitude at noonPhilippe Posth9 Sep, 18:56
Digital SextantPhilippe Posth10 Sep, 08:15
Re: Digital SextantPhilippe Posth11 Sep, 12:06
Re: Russian celestial star globePhilippe Posth21 Sep, 18:44
Kollsman Type 106C U.S. Navy MK IX Aircraft CompassPyndan Wulffe19 May, 05:23
Re: SpaceX Starlink launch: photo celestialR William McAllister12 Jan, 13:37
Cold War Sun HoursR William McAllister13 Jan, 17:59
Re: Some pop culture sextantsR William McAllister17 Jan, 04:25
Re: Celestial navigation: easier basic principle?R William McAllister26 Jan, 12:51
Cold War Hangar Navigating & Tales from On-board ShuttleR William McAllister26 Jan, 18:47
Re: Kollsman periscopic sextant mountR William McAllister9 Feb, 13:04
Re: Finding Longitude from LSTR William McAllister17 Aug, 12:46
Curve fitting for noon SunRafael C. Caruso12 Jan, 16:33
Re: Curve fitting for noon SunRafael C. Caruso13 Jan, 20:32
Re: Yellow page in NARafael C. Caruso13 Jan, 20:58
Re: Curve fitting for noon SunRafael C. Caruso14 Jan, 22:18
Re: Curve fitting for noon SunRafael C. Caruso16 Jan, 00:10
Captain Cook & celestial navigationRafael C. Caruso22 Jan, 16:35
Re: Venus in daylight this monthRafael C. Caruso16 Jul, 23:45
Cosine formula to solve a right spherical triangle?Rajeev Yadav21 Jan, 03:27
Re: US Navy MK II sextant manualRandy Shivak6 Oct, 22:07
Ww2 A-8 octantRich K10 Jun, 17:35
Re: Why Can't My GNSS Receiver See Galileo?Richard B. Langley20 Jan, 13:07
Re: The History of Celestial Navigation (2020)Richard B. Langley29 Jul, 13:37
Re: Air Almanac 2020 full pdf now available...Richard Holmes31 Jul, 16:12
Re: A strange addition to a sextantRobert Eno7 Jan, 04:55
No DR position. How can you get an accurate celestial fix?Robert Goldberg19 Jan, 15:29
Re: A second Chinese sextant?Robert Goldberg19 Jul, 21:54
Re: Earliest Crescent Moon VisibilityRobert H. van Gent27 Jan, 16:41
Re: Navigation with Moon imagesRobert Neff24 Aug, 15:57
Re: Who's that hiding behind Jupiter?Robert Neff24 Aug, 16:44
Re: Units in NavigationRobert Neff28 Sep, 15:46
Bausch and Lomb WWII Aircraft SextantsRobert Swartz19 Jan, 20:08
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:29
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:52
Re: A12 vs A8-A sextantsRobert Swartz25 Mar, 15:44
Bubble SextantsRobert Swartz25 Mar, 18:57
Re: Bubble SextantsRobert Swartz26 Mar, 00:37
Height CorrectionRobert Swartz7 May, 03:19
Re: A-12 ExperiencesRobert Swartz7 May, 04:15
Re: Height CorrectionRobert Swartz7 May, 05:43
Re: Height CorrectionRobert Swartz7 May, 15:33
AN5854-1 Bubble Sextant For SaleRobert Swartz20 May, 16:53
Bausch & Lomb A8-A Sextant For SaleRobert Swartz11 Jul, 03:12
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Robert Swartz12 Jul, 21:10
Info on Bubble SextantsRobert Swartz28 Jul, 03:44
Bausch and Lomb AN5854-1 Reconditioned Aircraft Sextant For SaleRobert Swartz12 Aug, 01:28
Interesting US Navy EquipmentRobert Swartz13 Aug, 02:18
Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleRobert Swartz15 Aug, 03:04
Re: Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleRobert Swartz16 Aug, 22:58
Periscopic Sextant Mount Listing--Beware-- UselessRobert Swartz19 Aug, 03:26
Re: Kollsman periscopic sextant and mountRobert Swartz3 Sep, 04:46
Bubble Sextant Electrical BugsRobert Swartz3 Sep, 05:06
Link Sextant Test Collimator Info.Robert Swartz3 Sep, 20:08
Good Book On Air NavigationRobert Swartz4 Sep, 01:23
Latitude by PolarisRobert Swartz13 Sep, 04:29
Re: Latitude by PolarisRobert Swartz14 Sep, 01:48
Reconditioned Bausch and Lomb A8-A Bubble Sextant F.S. DiscountedRobert Swartz4 Oct, 02:05
Re: Experience with an artifical horizonRobert Swartz16 Oct, 03:13
Deborah Warner Article re. Aircraft SextantsRobert Swartz19 Oct, 04:33
Smithsonian Collection of Aircraft SextantsRobert Swartz19 Oct, 04:35
Re: Smithsonian Collection of Aircraft SextantsRobert Swartz19 Oct, 22:46
Re: Yellow page in NARobert VanderPol II13 Jan, 17:46
Re: History & development of HO-249Robert VanderPol II3 Feb, 02:51
Re: A-12 ExperiencesRobert VanderPol II10 Feb, 07:04
Re: Sun Slow DayRobert VanderPol II13 Feb, 14:10
Re: Longitudes greater than 180Robert VanderPol II4 Mar, 14:02
Re: Sign of d in HO249Robert VanderPol II25 Apr, 13:05
Re: Radio from the middle of nowhereRobert VanderPol II29 Apr, 18:49
Re: NavList HamsRobert VanderPol II2 May, 16:47
Re: Timex Iron Man Watch=kaputRobert VanderPol II2 Jul, 22:12
One of Hewitt Schlereth's books just got plugged on YouTube.Robert VanderPol II25 Jul, 03:17
Re: Single LOP is enough?Robert VanderPol II16 Sep, 04:37
Re: Martelli Table ProvenanceRobert Wyatt24 Feb, 15:37
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 16:01
Position bias from UTCRobin Stuart4 Jan, 16:49
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 21:12
Re: Position bias from UTCRobin Stuart4 Jan, 21:38
Re: Longitude by Lunar OccultationRobin Stuart7 Jan, 17:08
Captain Cook's AstronomyRobin Stuart8 Jan, 17:25
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Robin Stuart16 Jan, 16:19
Re: Percy Lyall Hooker Davis' High Latitude TablesRobin Stuart22 Jan, 15:50
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRobin Stuart27 Jan, 14:44
Re: Captain Cook & celestial navigationRobin Stuart29 Jan, 17:52
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 18:54
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 21:07
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:26
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:53
Re: Captain Cook & celestial navigationRobin Stuart4 Feb, 15:47
Re: Captain Cook & celestial navigationRobin Stuart13 Mar, 16:29
Re: Index error vs. index correctionRobin Stuart22 Mar, 13:49
Re: Index error vs. index correctionRobin Stuart22 Mar, 20:54
Will anyone ever find Shackleton's lost ship?Robin Stuart22 Apr, 14:04
Re: Buffy, the Moon is wrong...Robin Stuart25 Apr, 12:15
Re: Calculators "old technology"Robin Stuart1 May, 18:16
Re: Smart and Shearme Position Line TablesRobin Stuart3 May, 14:37
Re: Calculators "old technology"Robin Stuart3 May, 15:18
Re: NavList HamsRobin Stuart4 May, 13:39
Re: Smart and Shearme Position Line TablesRobin Stuart5 May, 13:41
Re: Position from altitude and azimuth.Robin Stuart16 May, 13:48
Re: Equal Azimuth LinesRobin Stuart16 May, 14:08
Re: Position from altitude and azimuth.Robin Stuart17 May, 12:17
Re: Position from altitude and azimuth.Robin Stuart21 May, 15:47
Re: Position from altitude and azimuth.Robin Stuart22 May, 18:12
Re: Parallax in azimuthRobin Stuart25 May, 18:48
Re: Parallax in azimuthRobin Stuart28 May, 15:29
Re: Parallax in azimuthRobin Stuart29 May, 20:27
Longitude by Equal AltitudesRobin Stuart28 Jul, 12:25
Re: Hybrid artificial horizonRobin Stuart28 Jul, 12:55
Re: Hybrid artificial horizonRobin Stuart29 Jul, 14:13
Re: Latitude by photoRobin Stuart7 Aug, 17:15
Re: Latitude by PolarisRobin Stuart14 Sep, 14:46
Astronomical Observations of the 1869 Expedition through Grand CanyonRobin Stuart25 Sep, 17:03
Davis Instruments Prism-Level Owner's ManualRoger C Bucholz23 Jan, 01:51
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 20:07
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 23:36
Re: Captain Cook & celestial navigationRoger W. Sinnott13 Mar, 17:56
Re: Calculators "old technology"Roger W. Sinnott30 Apr, 19:09
Re: Lunar distance method of ChauvenetRoger W. Sinnott26 May, 11:37
Re: Polaris' PM in RA?Roger W. Sinnott23 Sep, 18:29
Re: GHA of the MoonRoger W. Sinnott2 Oct, 00:49
Re: Haversines with LogarithmsRoger W. Sinnott17 Oct, 21:22
NPR article on BetelgeuseRommel John Miller4 Jan, 01:48
Re: Towson's tables?Rommel John Miller17 Sep, 23:54
Re: No DR position. How can you get an accurate celestial fix?Ron Jones20 Jan, 00:18
Re: E.O.T. for 2020Ron Jones31 May, 18:06
Re: Kollsman periscopic sextant mountRonald van Riet21 Sep, 07:27
Battenberg manualsRonald van Riet7 Oct, 08:35
Re: Battenberg manualsRonald van Riet13 Oct, 10:08
Celestial in the thin air!S. Velasquez5 Jun, 04:34
Re: Celestial in the thin air!S. Velasquez5 Jun, 19:18
Mark III plastic sextantS. Velasquez6 Jun, 21:07
Re: Celestial in the Age of Sail, April 7-9, onlineSam Lyness1 Apr, 01:41
Re: Dating Hughes and Son sextantsSean C4 Jan, 05:45
Why Can't My GNSS Receiver See Galileo?Sean C19 Jan, 11:52
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 03:36
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 06:05
Re: Scale of InterceptSean C2 Feb, 07:14
Re: Scale of InterceptSean C2 Feb, 07:19
Re: UsnoSean C20 Feb, 05:27
Re: Venus in daylightSean C29 Mar, 04:40
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C1 Apr, 09:04
Re: Lunars: optimal angular distancesSean C2 Apr, 04:48
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C2 Apr, 08:13
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C3 Apr, 06:56
Re: Star Tracker - Space Shuttle and the Inertial Upper Stage.Sean C5 Apr, 05:16
Re: Stellarium Star Filtering.?Sean C7 Apr, 18:03
Re: UsnoSean C22 Apr, 06:57
Re: Sign of d in HO249Sean C24 Apr, 04:52
Re: Position from altitude and azimuth.Sean C11 May, 06:52
Re: Beginning celestial navigation methodSean C13 May, 04:44
Re: Some pop culture sextantsSean C30 May, 10:31
Re: Sun's GenderSean C21 Jun, 20:41
Re: Navigation Library for sale (K Gebhart)Sean C25 Jun, 07:26
Re: Online Meetings SundaySean C5 Jul, 04:49
Re: Plot Sheet GeneratorSean C9 Jul, 22:08
Re: M.F. Maury and the progress of historySean C14 Jul, 07:47
Re: Sextant practice on the space stationSean C19 Jul, 04:30
Excel AlmanacSean C28 Jul, 03:33
Re: Celestial Navigation Exercises and Plotting SheetsSean C1 Aug, 00:03
Re: Finding Longitude from LSTSean C16 Aug, 22:53
Re: Finding Longitude from LSTSean C18 Aug, 09:28
Re: Determination of the GHA of AriesSean C11 Sep, 07:18
Re: Russian celestial star globeSean C20 Sep, 04:25
Polaris' PM in RA?Sean C23 Sep, 09:57
Re: Polaris' PM in RA?Sean C24 Sep, 14:07
Re: Polaris' PM in RA?Sean C25 Sep, 06:15
Re: GHA of the MoonSean C3 Oct, 04:48
Re: GHA of the MoonSean C5 Oct, 07:48
Re: NavList HamsSean Johnston3 May, 16:31
Re: Navigator's Slide RuleSean Johnston11 Jul, 14:52
Re: Navigator's Slide RuleSean Johnston18 Jul, 14:50
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Jul, 16:09
Re: Navigator's Slide RuleSean Johnston17 Aug, 23:23
Re: Yoder SextantSimon Horwith8 Sep, 16:38
Re: Old navigation books collectionSimon Horwith5 Oct, 22:08
Celestial Navigation Exercises and Plotting SheetsSimon T31 Jul, 12:07
Re: More Cocked HatsSivan Toledo19 Jul, 08:42
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 18:59
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 19:06
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 20:13
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 20:46
Re: Today's sub-Sun pointSteve E. Bryant3 Mar, 03:36
Re: Today's sub-Sun pointSteve E. Bryant3 Mar, 19:26
Re: Today's sub-Sun pointSteve E. Bryant4 Mar, 06:29
Calculating the time when GHA is equals zero?Steve E. Bryant9 Mar, 06:14
Re: Calculating the time when GHA is equals zero?Steve E. Bryant11 Mar, 06:23
Re: Calculating the time when GHA is equals zero?Steve E. Bryant13 Mar, 03:20
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar, 06:18
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar, 17:45
Re: Calculating the time when GHA is equals zero?Steve E. Bryant21 Mar, 00:15
Lunars: optimal angular distancesSteve E. Bryant31 Mar, 18:55
Re: Sun-Venus distance observationSteve E. Bryant1 Apr, 19:18
Re: Lunars: optimal angular distancesSteve E. Bryant4 Apr, 09:38
Meridian Passage Table, Daily PagesSteve E. Bryant6 Apr, 21:27
Re: NavList-donated Amelia Earhart signSteve E. Bryant8 Apr, 04:57
NavList ResourcesSteve E. Bryant11 Apr, 14:07
Re: NavList social sessions LIVE todaySteve E. Bryant15 Apr, 01:09
Re: Hyatt's Celestial CoordinatorSteve E. Bryant26 Apr, 17:37
Intercept Method or Marcq St. HilaireSteve E. Bryant14 May, 01:24
Re: Intercept Method or Marcq St. HilaireSteve E. Bryant14 May, 02:51
Plotting sheetsThomas J. Murphy30 Jul, 00:58
Re: Air Almanac 2020 full pdf now available...Thomas Spidle13 Jan, 16:01
Re: Another SpaceX launch: photo celestialThomas Spidle13 Mar, 01:54
Re: A-12 ExperiencesTibor Miseta9 Feb, 23:23
Re: Venus in daylightTibor Miseta7 Apr, 12:44
Re: Lockdown Escape (Madness?)Tibor Miseta29 Apr, 22:07
Re: Sextant practice on the space stationTibor Miseta19 Jul, 12:02
Re: GHA of the MoonTibor Miseta5 Oct, 17:16
Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell12 Jul, 03:00
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell14 Jul, 22:21
Re: Smart Phone CNTom Sult7 Mar, 03:25
Re: ADMIN: The 21st Century Awaits...Tom Sult24 May, 00:48
Re: Expensive toysTom Sult1 Aug, 23:34
How high is "Angels One Five"?Tony Oz3 Jan, 02:41
Re: Hardly ever get an LOP than 20 NM - why?Tony Oz17 Jan, 08:18
Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz23 Jan, 08:32
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz24 Jan, 09:40
Russian Tables of Computed Altitude and AzimuthTony Oz4 Feb, 14:44
Re: Weems Star Altitude CurvesTony Oz5 Feb, 13:51
Re: Russian Tables of Computed Altitude and AzimuthTony Oz5 Feb, 17:13
Re: Weems Star Altitude CurvesTony Oz6 Feb, 08:14
The All-Haversine formula for Hc known since 1924?Tony Oz6 Feb, 17:56
Re: Weems Star Altitude CurvesTony Oz6 Feb, 20:50
Re: Weems Star Altitude CurvesTony Oz6 Feb, 22:06
Re: Weems Star Altitude CurvesTony Oz7 Feb, 18:48
Re: Weems Star Altitude CurvesTony Oz8 Feb, 08:20
Re: Weems Star Altitude CurvesTony Oz8 Feb, 20:00
Re: A-12 ExperiencesTony Oz11 Feb, 18:20
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz13 Feb, 23:19
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 08:45
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 18:43
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 20:36
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 21:24
Please help to identify a sextantTony Oz17 Feb, 21:46
Re: Please help to identify a sextantTony Oz18 Feb, 15:27
Re: Please help to identify a sextantTony Oz19 Feb, 08:59
Artificial horizon: gyro vs bubble?Tony Oz19 Feb, 09:05
Re: Artificial horizon: gyro vs bubble?Tony Oz20 Feb, 08:36
Re: Artificial horizon: gyro vs bubble?Tony Oz24 Feb, 09:36
Choosing right A-10: how to?Tony Oz26 Feb, 15:58
Re: Choosing right A-10: how to?Tony Oz27 Feb, 17:36
Re: Choosing right A-10: how to?Tony Oz2 Mar, 08:42
Re: Today's sub-Sun pointTony Oz3 Mar, 08:18
Re: ChronographTony Oz4 Mar, 20:28
Re: Calculating the time when GHA is equals zero?Tony Oz9 Mar, 18:59
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz9 Mar, 19:26
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz10 Mar, 13:41
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz10 Mar, 18:47
Re: Calculating the time when GHA is equals zero?Tony Oz11 Mar, 20:13
Re: Calculating the time when GHA is equals zero?Tony Oz12 Mar, 18:02
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar, 19:37
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar, 22:58
Re: Calculating the time when GHA is equals zero?Tony Oz14 Mar, 19:07
Re: Calculating the time when GHA is equals zero?Tony Oz16 Mar, 10:58
Re: Navigate to this islandTony Oz19 Mar, 20:24
Please help to identify a sextantTony Oz19 Mar, 21:04
Re: Please help to identify a sextantTony Oz20 Mar, 08:45
Re: Calculating the time when GHA is equals zero?Tony Oz21 Mar, 07:08
Re: Tabulate Lunar Distances by GHATony Oz21 Mar, 19:56
Re: Tabulate Lunar Distances by GHATony Oz21 Mar, 20:03
Re: Please help to identify a sextantTony Oz21 Mar, 20:43
Sun-Venus distance observationTony Oz22 Mar, 20:26
Re: Sun-Venus distance observationTony Oz23 Mar, 11:58
Re: LAN calculations for GHATony Oz26 Mar, 22:54
Re: Sun-Venus distance observationTony Oz27 Mar, 19:35
Re: Venus in daylightTony Oz28 Mar, 18:57
Re: Venus in daylightTony Oz28 Mar, 20:14
Re: Venus in daylightTony Oz29 Mar, 13:21
Re: d correctionTony Oz29 Mar, 16:25
Re: d correctionTony Oz30 Mar, 09:11
Re: d correctionTony Oz30 Mar, 21:38
Sirius: spin-off of the "Venus in daylight"Tony Oz5 Apr, 00:36
A strange set of Venus LoPs.Tony Oz6 Apr, 09:29
Re: A strange set of Venus LoPs.Tony Oz6 Apr, 16:35
Re: A strange set of Venus LoPs.Tony Oz6 Apr, 18:42
Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz10 Apr, 22:06
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz11 Apr, 20:26
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz11 Apr, 22:51
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz12 Apr, 10:45
2020-04-12: 59 Earth revolutions around the Sun - since the first man orbited the Earth!Tony Oz12 Apr, 11:49
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz14 Apr, 14:41
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz15 Apr, 07:40
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz15 Apr, 16:15
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz18 Apr, 21:00
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz20 Apr, 09:03
False horizon under the Moon, under the Sun too?Tony Oz20 Apr, 11:58
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr, 08:26
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr, 11:33
April 28: Venus maximum brillianceTony Oz21 Apr, 12:37
Re: False horizon under the Moon, under the Sun too?Tony Oz22 Apr, 12:42
Re: Sign of d in HO249Tony Oz23 Apr, 14:57
WWV is audible again (here)Tony Oz24 Apr, 19:01
Re: WWV is audible again (here)Tony Oz25 Apr, 08:40
Re: WWV is audible again (here)Tony Oz26 Apr, 21:19
Re: Lockdown Escape (Madness?)Tony Oz30 Apr, 14:26
2020-05-03 Sun-Venus sessionTony Oz3 May, 21:25
Congratulations on the Victory Day!Tony Oz9 May, 09:51
Re: Weems and Plath Celestial Slide RuleTracy Shrier9 Apr, 23:51
Re: Weems and Plath Celestial Slide RuleTracy Shrier14 Apr, 20:56
Re: My Marine E6M ( A marine version of the E6B )Tracy Shrier12 May, 02:53
Re: Longitude at noonTracy Shrier9 Sep, 17:05
Re: Longitude at noonTracy Shrier9 Sep, 21:58
Cel Nav Training FilmTracy Shrier21 Sep, 20:35
Ball Drop SextantVicente Botella23 Jun, 16:21
Re: Ball Drop SextantVicente Botella24 Jun, 08:17
Re: Starmaster slide rule on ebayWil Bailey31 Jan, 11:56
Re: Mystery Navy DeviceWilliam Edward Henry11 Jan, 18:28
Re: Burton's Nautical TablesWilliam Edward Henry2 Jul, 21:15
Re: RAF O6a CompassWilliam Edward Henry18 Jul, 16:12
Re: Air Almanac 2020 full pdf now available...Willy Unger10 May, 03:44
Re: Hybrid artificial horizonWolfgang Hasper20 Jul, 10:07
Re: Captain Cook & celestial navigationWolfgang Köberer5 Feb, 10:04
Re: [OT] Browser trickWolfgang Köberer1 Mar, 18:08
Re: Maskelyne: Astronomer RoyalWolfgang Köberer25 Mar, 16:53
Re: Equal Azimuth LinesWolfgang Köberer15 May, 16:29
Re: Janet Taylor octantWolfgang Köberer25 May, 07:21

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