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NavList:

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

2020

Index includes 1519 messages. Sorted by message ID, in descending order.

                    
Re: Venus in daylight this monthDavid C13 Jul, 19:11
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook13 Jul, 18:34
Re: Navigator's Slide RuleBob Goethe13 Jul, 16:28
Re: Navigator's Slide RuleBob Goethe13 Jul, 16:26
Re: Navigator's Slide RuleBob Peterson13 Jul, 13:50
Re: Navigator's Slide RuleBill Ritchie13 Jul, 08:32
Re: Longitude by unequal altitudes - BrentDavid C13 Jul, 05:30
Re: Navigator's Slide RuleDoug Faunt13 Jul, 02:59
First Surface Mirror Modification for Davis Artificial HorizonGreg Rudzinski13 Jul, 00:21
Re: Spare parts for Mark IX sextantHewitt Schlereth12 Jul, 23:54
Re: NavList HamsDoug Faunt12 Jul, 23:54
Re: Navigator's Slide RuleAlan S12 Jul, 22:17
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Robert Swartz12 Jul, 21:10
Comet NeowiseFrank Reed12 Jul, 20:37
Re: Navigator's Slide RuleBob Goethe12 Jul, 19:44
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Ken Gebhart12 Jul, 18:05
Re: Navigator's Slide RuleAlan S12 Jul, 16:58
Re: Navigator's Slide RuleBruce Cutting12 Jul, 16:36
Re: Navigator's Slide RuleJohn Carbone12 Jul, 16:11
Spare parts for Mark IX sextantDean Tetley12 Jul, 07:01
Re: Sun over Abu SimbelDale Lichtblau12 Jul, 13:58
Re: NavList HamsDale Lichtblau12 Jul, 13:41
Re: Harold Gatty's KamalDale Lichtblau12 Jul, 13:28
Re: Navigator's Slide RuleHahns Burg12 Jul, 13:19
Re: Trouble solving for spherical triangleHahns Burg12 Jul, 12:21
Re: Navigator's Slide RuleAlberto Najar12 Jul, 10:10
Re: Navigator's Slide RuleAlan S12 Jul, 04:07
Re: Trouble solving for spherical triangleFrank Reed12 Jul, 03:43
Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell12 Jul, 03:00
Trouble solving for spherical triangleHahns Burg11 Jul, 23:36
Re: Online Meetings SundayFrank Reed11 Jul, 17:00
Re: Navigator's Slide RuleBob Goethe11 Jul, 15:49
Re: Navigator's Slide RuleSean Johnston11 Jul, 14:52
Bausch & Lomb A8-A Sextant For SaleRobert Swartz11 Jul, 03:12
Re: Plot Sheet GeneratorDale Lichtblau10 Jul, 21:29
Navigator's Slide RuleMurray Felstead10 Jul, 05:47
Re: Plot Sheet GeneratorSean C9 Jul, 22:08
Plot Sheet GeneratorJames F Campbell9 Jul, 18:08
Sun over Abu SimbelFrank Reed9 Jul, 14:59
Re: Online Meetings SundayDavid Pike8 Jul, 21:00
Re: Longitude by unequal altitudes - BrentLars Bergman7 Jul, 15:08
Re: Longitude by unequal altitudes - BrentDavid C7 Jul, 04:53
Re: Longitude by unequal altitudes - BrentFrank Reed7 Jul, 04:30
Re: Longitude by unequal altitudes - BrentDavid C7 Jul, 02:53
Re: Longitude by unequal altitudes - BrentLars Bergman6 Jul, 09:42
Re: Online Meetings SundayDavid C6 Jul, 03:20
Longitude by unequal altitudes - BrentDavid C6 Jul, 03:14
Re: Online Meetings SundayDoug Faunt6 Jul, 02:44
Re: Online Meetings SundayFrank Reed6 Jul, 01:49
Re: Online Meetings SundayDavid Pike5 Jul, 20:56
Re: Online Meetings SundayFrank Reed5 Jul, 20:25
Re: Online Meetings SundayFrank Reed5 Jul, 04:50
Re: Online Meetings SundaySean C5 Jul, 04:49
Re: Online Meetings SundayDavid C5 Jul, 04:02
Re: Online Meetings SundayFrank Reed4 Jul, 23:41
Lunar Eclipse non-eventFrank Reed4 Jul, 22:27
Re: Timex Iron Man Watch=kaputCharles McElhill4 Jul, 13:11
Re: Timex Iron Man Watch=kaputAlan S4 Jul, 02:47
Re: Timex Iron Man Watch=kaputDoug Faunt3 Jul, 19:57
Re: Timex Iron Man Watch=kaputBill Lionheart3 Jul, 08:46
Online Meetings SundayFrank Reed3 Jul, 03:12
Re: Timex Iron Man Watch=kaputLu Abel3 Jul, 03:06
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 23:25
Re: Timex Iron Man Watch=kaputAlan S2 Jul, 22:51
Venus in daylight this monthFrank Reed2 Jul, 22:50
Re: Timex Iron Man Watch=kaputRobert VanderPol II2 Jul, 22:12
Re: Burton's Nautical TablesDavid C2 Jul, 22:04
Re: Burton's Nautical TablesWilliam Edward Henry2 Jul, 21:15
Burton's Nautical TablesLars Bergman2 Jul, 20:16
Re: Timex Iron Man Watch=kaputLu Abel2 Jul, 19:38
Re: Timex Iron Man Watch=kaputAlan S2 Jul, 17:16
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 15:44
Re: Timex Iron Man Watch=kaputLu Abel2 Jul, 15:43
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul, 14:49
Timex Iron Man Watch=kaputBruce J. Pennino1 Jul, 22:08
Re: A ramble on "new improved methods"Brian Walton1 Jul, 21:05
Re: A ramble on "new improved methods"Greg Rudzinski1 Jul, 12:17
Re: A ramble on "new improved methods"Brian Walton1 Jul, 05:26
Re: A ramble on "new improved methods"David C30 Jun, 22:25
Re: A ramble on "new improved methods"Frank Reed30 Jun, 21:35
Re: A ramble on "new improved methods"David C30 Jun, 20:43
Re: A ramble on "new improved methods"Greg Rudzinski30 Jun, 14:52
Re: A ramble on "new improved methods"Brian Walton30 Jun, 03:35
Re: A ramble on "new improved methods"David C29 Jun, 21:02
Re: A ramble on "new improved methods"Greg Rudzinski29 Jun, 12:40
Re: A ramble on "new improved methods"David C28 Jun, 20:12
Re: Sextant Collimation ErrorDavid Pike28 Jun, 16:47
Re: Sextant Collimation ErrorDavid Pike28 Jun, 15:13
Re: A ramble on "new improved methods"Greg Rudzinski28 Jun, 13:02
Re: A-10 Sextant Maintenance ManualBill Morris28 Jun, 05:01
A ramble on "new improved methods"David C28 Jun, 04:52
Re: Sextant Collimation ErrorFrank Reed28 Jun, 04:52
Re: Sextant Collimation ErrorPeter Monta28 Jun, 02:36
Re: Sextant Collimation ErrorDavid Pike27 Jun, 10:31
Re: Beginning celestial navigation methodAl Stewart26 Jun, 16:10
Re: Sextant Collimation ErrorGreg Rudzinski26 Jun, 13:54
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun, 07:48
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun, 07:40
Flat Earth?Bob Crawley26 Jun, 06:37
Re: Sextant Collimation ErrorFrank Reed26 Jun, 06:21
Re: Sextant Collimation ErrorPeter Monta26 Jun, 03:35
Re: Sextant Collimation ErrorDavid Pike25 Jun, 23:14
Ares at AriesFrank Reed25 Jun, 22:26
Re: Sextant Collimation ErrorDavid Pike25 Jun, 16:34
Re: A-10 Sextant Maintenance ManualBrian Holmes25 Jun, 15:12
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun, 14:34
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun, 10:56
Re: Navigation Library for sale (K Gebhart)Sean C25 Jun, 07:26
Re: Ex-Meridian Sight using InmansBill Lionheart25 Jun, 07:20
Fun stuff referring to the Prime MeridianDoug Faunt24 Jun, 21:21
Re: Ex-Meridian Sight using InmansMike Burkes24 Jun, 19:39
Re: Corporal Sadler SAS: Desert NavigationBill Lionheart24 Jun, 18:08
Re: Corporal Sadler SAS: Desert NavigationDoug Faunt24 Jun, 17:04
Corporal Sadler SAS: Desert NavigationFrancis Upchurch24 Jun, 16:17
Re: Time and placeLars Bergman24 Jun, 08:40
Re: Ball Drop SextantVicente Botella24 Jun, 08:17
Bermuda Race: Exciting finish this yearFrank Reed24 Jun, 00:47
Re: Hughes & Son's Sextant - General InfoBill Morris23 Jun, 22:26
Re: Ball Drop SextantDave Walden23 Jun, 20:55
Re: Time and placeDave Walden23 Jun, 20:50
Re: Ball Drop SextantJürgen Hoefeld23 Jun, 19:46
Ball Drop SextantVicente Botella23 Jun, 16:21
Re: Time and placeLars Bergman23 Jun, 14:39
Re: Sun's Gender (United Kingdom 1835)Doug MacPherson23 Jun, 03:39
Hughes & Son's Sextant - General InfoAdrian Bevan22 Jun, 14:39
Re: Sun's GenderGeoffrey Kolbe22 Jun, 08:03
Re: Sun's GenderFrank Reed22 Jun, 02:19
Re: Sun's GenderSean C21 Jun, 20:41
Webinar – When GNSS fails, what will you do? Marrinav!David Pike21 Jun, 19:29
Re: Sun's GenderDoug Faunt21 Jun, 17:52
Re: Sun's GenderBill Lionheart21 Jun, 15:14
Sun's GenderDavid C21 Jun, 07:08
Re: Winter Solstice and a Moon EclipseDavid C21 Jun, 06:51
Re: Winter Solstice and a Moon EclipseDavid C21 Jun, 06:49
Winter Solstice and a Moon EclipseDavid C21 Jun, 01:33
Re: My sextant repairBill Morris20 Jun, 21:51
Online Celestial Navigation WorkshopsFrank Reed20 Jun, 20:51
Re: Time and placeDave Walden20 Jun, 19:14
Re: My sextant repairGeoffrey Kolbe20 Jun, 18:56
Re: My sextant repairBill Morris20 Jun, 05:29
Re: Sextant handle electric system, out of serviceAlan S20 Jun, 00:24
Re: Sextant handle electric system, out of serviceManuel Acosta19 Jun, 04:02
Re: Comedy on the Greenwich MeridianBill Ritchie18 Jun, 14:36
Re: Sextant handle electric system, out of serviceDiego Melas18 Jun, 12:42
Re: My sextant repairDavid Pike18 Jun, 09:40
Sextant handle electric system, out of serviceManuel Acosta17 Jun, 22:51
My sextant repairJohn Fosh17 Jun, 16:06
Re: Celestaire Astra IIIB backlashDouglas Stephen16 Jun, 19:24
Re: Comedy on the Greenwich MeridianDavid Fleming16 Jun, 18:35
Re: Free webinar GNSS SupercorrelationDavid Pike16 Jun, 09:36
Re: Comedy on the Greenwich MeridianDavid C16 Jun, 05:48
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun, 04:51
Re: Comedy on the Greenwich MeridianPeter Monta16 Jun, 04:40
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun, 04:33
Re: Comedy on the Greenwich MeridianFrancis Upchurch16 Jun, 04:09
Comedy on the Greenwich MeridianFrank Reed16 Jun, 02:41
Re: Celestaire Astra IIIB backlashPaul Hirose15 Jun, 19:48
Re: Celestaire Astra IIIB backlashGeoffrey Kolbe15 Jun, 15:11
Re: Celestaire Astra IIIB backlashDouglas Stephen15 Jun, 13:01
Re: Celestaire Astra IIIB backlashPeter Monta14 Jun, 21:23
Celestaire Astra IIIB backlashDouglas Stephen14 Jun, 17:30
Re: Ex-Meridian Sight using InmansGreg Rudzinski14 Jun, 14:16
Re: Ex-Meridian Sight using InmansDavid C14 Jun, 05:34
Re: A-8A Aircraft SextantMike Prokop13 Jun, 01:15
Re: EOT Will Change Sign In Thirteen Hours TimeAndrés Ruiz12 Jun, 06:17
EOT Will Change Sign In Thirteen Hours TimeDavid C12 Jun, 03:20
Re: Free webinar GNSS SupercorrelationDavid Pike11 Jun, 18:30
Re: Ex-Meridian Sight using InmansDavid C11 Jun, 04:54
Re: Free webinar GNSS SupercorrelationPeter Monta11 Jun, 02:40
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun, 20:30
Re: Ex-Meridian Sight using InmansDavid C10 Jun, 20:08
Re: Ex-Meridian Sight using InmansFrank Reed10 Jun, 19:54
Re: Ex-Meridian Sight using InmansDavid C10 Jun, 19:45
Re: Ww2 A-8 octantGary LaPook10 Jun, 18:25
Ww2 A-8 octantRich K10 Jun, 17:35
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun, 17:27
Ex-Meridian Sight using InmansDavid C10 Jun, 10:01
Navwords crossword (1975)Frank Reed9 Jun, 20:26
Wild legends of Nathaniel BowditchFrank Reed9 Jun, 20:22
Re: Celestial in the thin air!Frank Reed9 Jun, 19:10
Free webinar GNSS SupercorrelationDavid Pike9 Jun, 18:02
Re: Celestial in the thin air!Alexander Duytschaever9 Jun, 09:09
Re: Celestial in the thin air!Alexander Duytschaever9 Jun, 09:04
Re: Mark III plastic sextantPeter Monta7 Jun, 00:44
Re: Mark III plastic sextantGreg Rudzinski6 Jun, 21:18
Mark III plastic sextantS. Velasquez6 Jun, 21:07
Re: Celestial in the thin air!Bob Crawley6 Jun, 08:36
Re: Celestial in the thin air!Frank Reed5 Jun, 20:27
Re: Celestial in the thin air!S. Velasquez5 Jun, 19:18
Re: Celestial in the thin air!Gary LaPook5 Jun, 18:22
Re: Celestial in the thin air!Michael Jones5 Jun, 15:03
Re: Celestial in the thin air!Michael Jones5 Jun, 14:57
Re: Celestial in the thin air!Andrés Ruiz5 Jun, 07:01
Celestial in the thin air!S. Velasquez5 Jun, 04:34
Re: USNO Nav. Star Chart how Old?Frank Reed3 Jun, 21:17
Re: Navigation system failureFrank Reed3 Jun, 20:49
USNO Nav. Star Chart how Old?Herman Dekker3 Jun, 20:36
Re: E.O.T. for 2020Frank Reed3 Jun, 04:30
Re: E.O.T. for 2020Antoine Couëtte2 Jun, 14:46
Re: Navigation system failureBill Lionheart1 Jun, 21:41
Re: E.O.T. for 2020Peter Hakel1 Jun, 02:31
Re: E.O.T. for 2020Ron Jones31 May, 18:06
Navigation system failureBob Goethe31 May, 12:33
Re: E.O.T. for 2020Bob Goethe30 May, 20:36
Re: E.O.T. for 2020Frank Reed30 May, 19:14
Re: Automated celnav in the newsDavid Pike30 May, 19:10
E.O.T. for 2020Bob Goethe30 May, 18:17
Automated celnav in the newsBill Lionheart30 May, 15:30
Re: Some pop culture sextantsSean C30 May, 10:31
Re: Parallax in azimuthRobin Stuart29 May, 20:27
Re: Parallax in azimuthPaul Hirose29 May, 19:20
Re: Time and placeLars Bergman29 May, 08:03
Re: Sights with just azimuthDavid Pike29 May, 07:47
Re: Parallax in azimuthAntoine Couëtte29 May, 06:35
Re: Time and placeLars Bergman28 May, 19:04
Re: Parallax in azimuthRobin Stuart28 May, 15:29
Re: Lunar distance method of ChauvenetAntoine Couëtte28 May, 09:39
Re: Lunar distance method of ChauvenetPaul Hirose26 May, 19:07
Re: Lunar distance method of ChauvenetRoger W. Sinnott26 May, 11:37
Lunar distance method of ChauvenetPaul Hirose26 May, 04:59
Time and placeDave Walden26 May, 01:10
Re: Parallax in azimuthRobin Stuart25 May, 18:48
Re: Parallax in azimuthAndrés Ruiz25 May, 16:12
Re: Parallax in azimuthPeter Monta25 May, 08:13
Re: Janet Taylor octantWolfgang Köberer25 May, 07:21
Re: Parallax in azimuthFrank Reed25 May, 03:17
Re: Parallax in azimuthAntoine Couëtte24 May, 20:34
Re: Parallax in azimuthDavid Pike24 May, 20:30
Parallax in azimuthDave Walden24 May, 16:49
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May, 15:47
Re: Janet Taylor octantNed Lloyd24 May, 13:23
Re: ADMIN: The 21st Century Awaits...David Pike24 May, 13:18
Re: ADMIN: The 21st Century Awaits...Bill Lionheart24 May, 11:15
Re: Sestrel sextant thoughts?Antoine Couëtte24 May, 07:18
Re: Janet Taylor octantFrank Reed24 May, 04:43
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May, 02:19
Re: Janet Taylor octantDoug Faunt24 May, 01:58
Re: Sestrel sextant thoughts?Ned Lloyd24 May, 01:51
Re: ADMIN: The 21st Century Awaits...Tom Sult24 May, 00:48
ADMIN: The 21st Century Awaits...Frank Reed24 May, 00:15
Janet Taylor octantNed Lloyd23 May, 19:30
Re: Sestrel sextant thoughts?Ned Lloyd23 May, 18:40
Re: Sestrel sextant thoughts?Antoine Couëtte23 May, 11:17
Re: Sights with just azimuthAndrés Ruiz23 May, 10:07
Re: Sights with just azimuthAndrés Ruiz23 May, 09:57
Re: Sestrel sextant thoughts?Michael Bradley23 May, 09:16
Re: Sights with just azimuthDavid Pike23 May, 08:45
Re: Sestrel sextant thoughts?Alexandre Eremenko23 May, 04:42
Sestrel sextant thoughts?Ned Lloyd23 May, 03:28
Re: Lunar distance parallactic retardationAntoine Couëtte22 May, 19:10
Sights with just azimuthBill Lionheart22 May, 19:06
Re: Position from altitude and azimuth.Robin Stuart22 May, 18:12
Re: Equal Azimuth LinesAndrés Ruiz21 May, 18:28
Re: Position from altitude and azimuth.David Pike21 May, 17:46
Re: Position from altitude and azimuth.Bill Lionheart21 May, 16:25
Re: Position from altitude and azimuth.Robin Stuart21 May, 15:47
Re: Position from altitude and azimuth.David Pike20 May, 19:43
Re: Position from altitude and azimuth.Frank Reed20 May, 18:54
Re: Position from altitude and azimuth.Bill Lionheart20 May, 18:50
AN5854-1 Bubble Sextant For SaleRobert Swartz20 May, 16:53
Re: Position from altitude and azimuth.David Pike20 May, 16:20
Re: Position from altitude and azimuth.Andrés Ruiz20 May, 07:55
Re: Position from altitude and azimuth.David Pike20 May, 06:30
Re: Position from altitude and azimuth.Bill Lionheart20 May, 06:18
Re: Lunar distance parallactic retardationPaul Hirose20 May, 05:20
Re: Position from altitude and azimuth.David Pike19 May, 23:30
Upcoming Online Celestial Navigation WorkshopsFrank Reed19 May, 23:46
Re: Position from altitude and azimuth.Dave Walden19 May, 22:18
Re: Position from altitude and azimuth.Andrés Ruiz19 May, 19:14
Re: Kollsman Type 106C U.S. Navy MK IX Aircraft CompassGary LaPook19 May, 18:26
Re: Position from altitude and azimuth.Bill Lionheart19 May, 16:04
Re: Position from altitude and azimuth.Frank Reed19 May, 15:04
Re: Position from altitude and azimuth.Bill Lionheart19 May, 13:19
Re: Position from altitude and azimuth.Bill Lionheart19 May, 11:13
Re: Position from altitude and azimuth.Bill Lionheart19 May, 08:00
Re: Position from altitude and azimuth.Frank Reed19 May, 06:58
Kollsman Type 106C U.S. Navy MK IX Aircraft CompassPyndan Wulffe19 May, 05:23
Re: Position from altitude and azimuth.Frank Reed18 May, 21:11
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike18 May, 20:25
Re: Davis Mk 25 prismatic monocular upgradePeter Monta18 May, 18:54
Re: Position from altitude and azimuth.Bill Lionheart18 May, 09:59
Re: Position from altitude and azimuth.Andrés Ruiz18 May, 08:09
Re: Position from two azimuthsAntoine Couëtte18 May, 01:37
Learning time sights and lunars online.Doug MacPherson17 May, 21:55
Davis Mk 25 prismatic monocular upgradeBill Lionheart17 May, 13:04
Re: Position from altitude and azimuth.Robin Stuart17 May, 12:17
Re: Position from two azimuthsAntoine Couëtte17 May, 10:42
Re: Position from altitude and azimuth.Andrés Ruiz17 May, 10:17
Re: Position from two azimuthsAndrés Ruiz17 May, 09:42
Re: Position from two azimuthsPeter Hakel16 May, 21:15
Re: Position from two azimuthsDavid Pike16 May, 20:48
Re: Position from altitude and azimuth.Bill Lionheart16 May, 16:59
Re: Equal Azimuth LinesRobin Stuart16 May, 14:08
Re: Position from two azimuthsAntoine Couëtte16 May, 14:01
Re: Position from altitude and azimuth.Robin Stuart16 May, 13:48
Re: Position from two azimuthsDave Walden16 May, 13:45
Re: Position from two azimuthsDave Walden16 May, 13:43
Re: Position from two azimuthsAndrés Ruiz16 May, 10:58
Re: Position from two azimuthsDavid Pike16 May, 09:57
Re: Position from two azimuthsPeter Hakel16 May, 07:51
Re: Beginning celestial navigation methodAlan S15 May, 23:04
Re: Equal Azimuth LinesAntoine Couëtte15 May, 20:40
Re: Beginning celestial navigation methodGrace O'Farrell15 May, 18:50
Position from two azimuthsDave Walden15 May, 18:22
Re: Equal Azimuth LinesBill Lionheart15 May, 16:33
Re: Equal Azimuth LinesWolfgang Köberer15 May, 16:29
Re: Position from altitude and azimuth.Bill Lionheart15 May, 14:51
Re: Beginning celestial navigation methodGrace O'Farrell15 May, 11:13
Re: Beginning celestial navigation methodDavid Pike15 May, 09:24
Re: Equal Azimuth LinesAndrés Ruiz15 May, 09:21
Re: Equal Azimuth LinesAntoine Couëtte15 May, 08:57
Re: Position from altitude and azimuth.Andrés Ruiz15 May, 06:53
Re: Position from altitude and azimuth.Andrés Ruiz15 May, 06:31
Re: Beginning celestial navigation methodAlan S15 May, 02:29
Re: Intercept Method or Marcq St. HilaireAntoine Couëtte14 May, 16:52
Re: Equal Azimuth LinesAntoine Couëtte14 May, 15:39
Re: Beginning celestial navigation methodGrace O'Farrell14 May, 14:41
Re: Intercept Method or Marcq St. HilaireGreg Rudzinski14 May, 12:27
Re: Intercept Method or Marcq St. HilaireDavid C14 May, 08:35
Re: Intercept Method or Marcq St. HilaireSteve E. Bryant14 May, 02:51
Re: Equal Azimuth LinesDavid Iwancio14 May, 01:52
Intercept Method or Marcq St. HilaireSteve E. Bryant14 May, 01:24
Re: A Lancaster Navigator's Logs and Charts AnalysedDoug Faunt13 May, 22:13
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike13 May, 21:28
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 20:42
Re: Beginning celestial navigation methodDavid Pike13 May, 20:27
Re: Equal Azimuth LinesAntoine Couëtte13 May, 20:23
Re: Equal Azimuth LinesDavid Iwancio13 May, 20:19
Re: Position from altitude and azimuth.Andrés Ruiz13 May, 17:22
Re: Traditional navigation by slide ruleBob Goethe13 May, 19:37
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 17:08
Re: Equal Azimuth LinesAndrés Ruiz13 May, 17:04
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 16:43
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 16:24
Re: Beginning celestial navigation methodGrace O'Farrell13 May, 15:52
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 14:33
Re: Beginning celestial navigation methodDavid Pike13 May, 13:57
Re: Position from altitude and azimuth.Bill Lionheart13 May, 09:14
Re: NavlistBill Lionheart13 May, 09:01
Equal Azimuth LinesAntoine Couëtte13 May, 07:40
Re: Beginning celestial navigation methodAndrés Ruiz13 May, 07:13
Excellent talk by David PikeBob Crawley13 May, 07:08
Re: Beginning celestial navigation methodSean C13 May, 04:44
Re: Position from altitude and azimuth.Antoine Couëtte13 May, 02:56
Re: Traditional navigation by slide ruleAlan S13 May, 01:44
Re: Position from altitude and azimuth.Peter Hakel13 May, 00:19
Re: A Lancaster Navigator's Logs and Charts AnalysedFrank Reed12 May, 23:29
Re: Position from altitude and azimuth.Antoine Couëtte12 May, 19:48
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 18:44
Re: Position from altitude and azimuth.Bill Lionheart12 May, 18:11
Re: NavlistGeoffrey Butt12 May, 14:54
Re: My Marine E6M ( A marine version of the E6B )Greg B12 May, 13:42
Re: Position from altitude and azimuth.Lars Bergman12 May, 11:56
Beginning celestial navigation methodGrace O'Farrell12 May, 10:37
Re: Position from altitude and azimuth.Geoffrey Kolbe12 May, 09:55
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 07:51
Re: Non-graphical way to solve a wind triangleGary LaPook12 May, 07:46
Re: Non-graphical way to solve a wind triangleAndrés Ruiz12 May, 07:27
Re: Non-graphical way to solve a wind triangleFrank Reed12 May, 03:39
Re: My Marine E6M ( A marine version of the E6B )Tracy Shrier12 May, 02:53
Re: Position from altitude and azimuth.Peter Hakel12 May, 00:21
Re: Position from altitude and azimuth.Dave Walden11 May, 23:42
A short explanatory CN videoIgor S.11 May, 23:37
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike11 May, 19:41
BBC - Scientists explain magnetic pole's wanderingsEd Popko11 May, 17:09
Re: Non-graphical way to solve a wind triangleJoseph Rheubeck11 May, 16:36
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 10:34
75th Anniversary of first Aries polar flightDavid Pike11 May, 09:22
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 09:19
Re: Position from altitude and azimuth.Andrés Ruiz11 May, 09:01
Re: Position from altitude and azimuth.Bill Lionheart11 May, 07:01
Re: Position from altitude and azimuth.Sean C11 May, 06:52
Re: Position from altitude and azimuth.Andrés Ruiz11 May, 06:36
Re: Position from altitude and azimuth.Antoine Couëtte11 May, 06:01
Re: Non-graphical way to solve a wind triangleAndrés Ruiz11 May, 05:56
Re: Position from altitude and azimuth.Dave Walden11 May, 03:08
Non-graphical way to solve a wind triangleGreg B11 May, 01:51
My Marine E6M ( A marine version of the E6B )Greg Licfi11 May, 01:21
Re: Position from altitude and azimuth.Peter Hakel10 May, 23:26
Lunars and Traditional CN online workshopsFrank Reed10 May, 18:39
Re: Position from altitude and azimuth.Frank Reed10 May, 18:33
Re: Position from altitude and azimuth.Antoine Couëtte10 May, 16:23
Re: Air Almanac 2020 full pdf now available...Willy Unger10 May, 03:44
Re: Position from altitude and azimuth.Bill Lionheart9 May, 23:18
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.Dave Walden9 May, 13:41
Re: Position from altitude and azimuth.Dave Walden9 May, 12:34
Re: Position from altitude and azimuth.Dave Walden9 May, 12:13
Re: Position from altitude and azimuth.Antoine Couëtte9 May, 11:39
Re: Position from altitude and azimuth.Lars Bergman9 May, 10:07
Congratulations on the Victory Day!Tony Oz9 May, 09:51
Re: Position from altitude and azimuth.Bill Lionheart9 May, 07:47
Re: Position from altitude and azimuth.Antoine Couëtte9 May, 05:13
Re: Height CorrectionPaul Hirose8 May, 20:49
Re: Position from altitude and azimuth.Lars Bergman8 May, 20:16
Re: Height CorrectionGreg Rudzinski8 May, 12:48
Re: Position from altitude and azimuth.Antoine Couëtte8 May, 12:30
Re: Position from altitude and azimuth.Dave Walden8 May, 11:55
Re: Position from altitude and azimuth.Andrés Ruiz8 May, 10:26
Re: Position from altitude and azimuth.David C8 May, 04:49
Re: Position from altitude and azimuth.Peter Hakel8 May, 04:16
Re: 2020-05-03 Sun-Venus sessionAntoine Couëtte7 May, 21:43
A Lancaster Navigator's Logs and Charts AnalysedDavid Pike7 May, 19:24
Position from altitude and azimuth.Dave Walden7 May, 17:02
Re: Height CorrectionRobert Swartz7 May, 15:33
Re: Height CorrectionGreg Rudzinski7 May, 12:52
Re: Smart and Shearme Position Line TablesDavid Pike7 May, 08:43
Re: A-12 ExperiencesRobert Swartz7 May, 04:15
Re: Height CorrectionRobert Swartz7 May, 05:43
Height CorrectionRobert Swartz7 May, 03:19
Re: Celestial Navigation licensing examsDoug Faunt6 May, 22:46
Re: Smart and Shearme Position Line TablesDavid C6 May, 22:30
Re: Celestial Navigation licensing examsIgor S.6 May, 19:30
Re: Smart and Shearme Position Line TablesDavid Pike6 May, 16:36
Celestial Navigation TowersBill Lionheart6 May, 15:12
Re: Celestial Navigation licensing examsAndrés Ruiz6 May, 14:50
Re: Hav-Doniol re-visitedEd Popko6 May, 13:46
Re: Smart and Shearme Position Line TablesDavid C6 May, 04:25
Re: Celestial Navigation licensing examsDoug Faunt5 May, 22:37
Re: Celestial Navigation in the British Royal NavyMichael Cain5 May, 21:23
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 20:50
Air Almanac for 2020Gary LaPook5 May, 19:56
Re: Celestial Navigation licensing examsIgor S.5 May, 19:25
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:13
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:59
Re: Smart and Shearme Position Line TablesLars Bergman5 May, 18:05
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 17:40
Re: Smart and Shearme Position Line TablesRobin Stuart5 May, 13:41
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 10:52
Re: Smart and Shearme Position Line TablesDavid Pike5 May, 10:25
Re: Celestial Navigation in the British Royal NavyDavid Pike5 May, 07:55
Re: Celestial Navigation in the British Royal NavyDavid Smith5 May, 07:52
Re: Celestial Navigation in the British Royal NavyBrian Walton5 May, 07:11
Re: Hav-Doniol re-visitedMichael Bradley4 May, 22:18
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 20:50
Re: Celestial Navigation in the British Royal NavyAlan S4 May, 20:23
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 19:36
Re: Radio from the middle of nowherePaul Saffo4 May, 18:10
Re: Celestial Navigation in the British Royal NavyMichael Bradley4 May, 14:22
Re: NavList HamsRobin Stuart4 May, 13:39
Re: Smart and Shearme Position Line TablesLars Bergman4 May, 09:43
Celestial Navigation in the British Royal NavyDavid Smith4 May, 08:51
Re: NavList HamsJeremy C4 May, 02:12
Re: NavList HamsDoug Faunt4 May, 00:14
Re: Smart and Shearme Position Line TablesDavid C3 May, 23:45
Re: Smart and Shearme Position Line TablesDavid C3 May, 21:53
Re: Smart and Shearme Position Line TablesDavid C3 May, 21:38
Re: Smart and Shearme Position Line TablesDavid Pike3 May, 21:35
2020-05-03 Sun-Venus sessionTony Oz3 May, 21:25
Re: NavList HamsJeremy C3 May, 20:18
Re: Radio from the middle of nowherePaul Saffo3 May, 19:41
Re: Radio from the middle of nowhereMarcel Tschudin3 May, 19:23
Re: NavList HamsSean Johnston3 May, 16:31
Re: NavList HamsEd Hlywa3 May, 16:22
Re: Smart and Shearme Position Line TablesLars Bergman3 May, 16:22
Re: Calculators "old technology"Robin Stuart3 May, 15:18
Re: NavList HamsDerrick Young3 May, 14:42
Re: Smart and Shearme Position Line TablesRobin Stuart3 May, 14:37
Re: Radio from the middle of nowherePaul Saffo3 May, 14:00
Re: NavList HamsGreg Licfi3 May, 12:40
Re: Smart and Shearme Position Line TablesDavid C3 May, 09:43
Re: NavList HamsDavid Smith3 May, 07:38
Smart and Shearme Position Line TablesDavid C3 May, 00:08
Re: Bermuda sailing races cancelledDoug Faunt2 May, 22:14
Re: Bermuda sailing races cancelledFrank Reed2 May, 21:21
Re: Bermuda sailing races cancelledDoug Faunt2 May, 19:28
Re: NavlistAndrés Ruiz2 May, 19:14
Re: NavList HamsManuel Cruz2 May, 18:27
Bermuda sailing races cancelledFrank Reed2 May, 17:53
Re: Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed2 May, 17:31
Re: NavList HamsFrank Reed2 May, 17:27
Re: NavlistFrank Reed2 May, 17:23
Re: NavList HamsRobert VanderPol II2 May, 16:47
Re: NavlistGreg Hill2 May, 12:44
NavList HamsEd Popko2 May, 11:20
Re: Calculators "old technology"Frank Reed2 May, 03:00
Re: Celestial Navigation licensing examsDoug Faunt2 May, 01:47
Re: Radio from the middle of nowherePeter Monta1 May, 23:40
Re: Celestial Navigation licensing examsGary LaPook1 May, 19:54
Re: Celestial Navigation licensing examsGary LaPook1 May, 19:53
Re: Calculators "old technology"David Iwancio1 May, 19:40
Re: Radio from the middle of nowhereDoug Faunt1 May, 19:35
Re: Radio from the middle of nowhereDon Seltzer1 May, 19:03
Re: Calculators "old technology"Robin Stuart1 May, 18:16
Re: Radio from the middle of nowhereDoug Faunt1 May, 17:40
Re: Celestial Navigation licensing examsDoug Faunt1 May, 17:19
Celestial Navigation licensing examsFrank Reed1 May, 16:27
Re: Radio from the middle of nowhereFrank Reed1 May, 16:24
Re: Calculators "old technology"Frank Reed1 May, 02:45
Re: Calculators "old technology"Alan S1 May, 01:48
Re: Calculators "old technology"Alan S1 May, 01:42
Re: Lockdown Escape (Madness?)David C30 Apr, 22:28
Re: Calculators "old technology"David C30 Apr, 22:15
Re: Lockdown Escape (Madness?)Gary LaPook30 Apr, 21:43
Re: Calculators "old technology"Frank Reed30 Apr, 20:55
Re: Calculators "old technology"Roger W. Sinnott30 Apr, 19:09
Re: Radio from the middle of nowhereDoug Faunt30 Apr, 18:51
Re: Calculators "old technology"Frank Reed30 Apr, 18:21
Re: Calculators "old technology"Greg Rudzinski30 Apr, 17:57
Calculators "old technology"Geoffrey Kolbe30 Apr, 17:50
Re: Radio from the middle of nowhereJames Hofmann30 Apr, 17:43
Re: Radio from the middle of nowhereDon Seltzer30 Apr, 14:44
Re: Lockdown Escape (Madness?)Tony Oz30 Apr, 14:26
NavlistDave Walden30 Apr, 11:55
Re: Lockdown Escape (Madness?)Greg Rudzinski30 Apr, 11:34
Re: Radio from the middle of nowhereDavid Pike30 Apr, 08:24
Re: Radio from the middle of nowhereGeoffrey Kolbe30 Apr, 06:26
Re: Radio from the middle of nowhereGary LaPook30 Apr, 05:16
Re: Radio from the middle of nowhereGary LaPook30 Apr, 05:07
Re: Lockdown Escape (Madness?)David C30 Apr, 04:50
Re: Radio from the middle of nowhereDoug Faunt30 Apr, 03:29
Re: Hav-Doniol re-visitedGreg Rudzinski30 Apr, 00:56
Re: Radio from the middle of nowhereDavid C29 Apr, 23:59
Re: Lockdown Escape (Madness?)David C29 Apr, 23:40
Re: Radio from the middle of nowhereGary LaPook29 Apr, 22:33
Hav-Doniol re-visitedDavid C29 Apr, 22:13
Re: Lockdown Escape (Madness?)Tibor Miseta29 Apr, 22:07
Re: Radio from the middle of nowhereDrago Simac29 Apr, 21:45
Re: Radio from the middle of nowhereBill Lionheart29 Apr, 21:30
Re: Radio from the middle of nowhereJames F Campbell29 Apr, 20:35
Re: Radio from the middle of nowhereMichael Jones29 Apr, 20:25
Re: Radio from the middle of nowhereLars Bergman29 Apr, 19:10
Re: Radio from the middle of nowhereRobert VanderPol II29 Apr, 18:49
Re: Radio from the middle of nowhereJohn Carbone29 Apr, 18:34
Re: Radio from the middle of nowhereBruce Cutting29 Apr, 18:15
Re: Radio from the middle of nowhereFrank Reed29 Apr, 17:47
Re: Radio from the middle of nowhereJim Rives29 Apr, 17:42
Re: Lockdown Escape (Madness?)Greg Rudzinski29 Apr, 16:16
Re: Radio from the middle of nowhereEd Popko29 Apr, 12:10
Re: Lockdown Escape (Madness?)Michael Bradley29 Apr, 10:20
Re: Lockdown Escape (Madness?)David C29 Apr, 03:26
Re: Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever28 Apr, 15:00
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski28 Apr, 13:05
Re: A12 vs A8-A sextantsDavid Pike28 Apr, 10:41
Re: A12 vs A8-A sextantsGeoffrey Kolbe28 Apr, 06:48
Re: Lockdown Escape (Madness?)David C28 Apr, 00:53
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski27 Apr, 21:08
Re: Calibrating a Bris with a Davis mk15 sextantFrank Reed27 Apr, 17:47
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr, 17:44
Re: A12 vs A8-A sextantsPaul Hirose27 Apr, 17:21
Meteorite over Iraqi Kurdistan in 1888Frank Reed27 Apr, 16:00
Re: Lockdown Escape (Madness?)David Iwancio27 Apr, 15:21
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr, 13:34
Re: Lockdown Escape (Madness?)Greg Rudzinski27 Apr, 13:08
Lockdown Escape (Madness?)Michael Bradley27 Apr, 08:53
Radio from the middle of nowhereFrank Reed26 Apr, 23:07
Re: WWV is audible again (here)Tony Oz26 Apr, 21:19
Re: Hyatt's Celestial CoordinatorFrank Reed26 Apr, 20:54
Re: Hyatt's Celestial CoordinatorJürgen Hoefeld26 Apr, 20:30
Re: Sign of d in HO249David Pike26 Apr, 17:56
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski26 Apr, 17:55
Re: Hyatt's Celestial CoordinatorSteve E. Bryant26 Apr, 17:37
Re: April 28: Venus maximum brillianceGeoffrey Kolbe26 Apr, 15:56
Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever26 Apr, 14:55
Hyatt's Celestial CoordinatorDave Walden26 Apr, 13:49
Re: A12 vs A8-A sextantsDavid Pike26 Apr, 13:07
Re: Sign of d in HO249David Pike26 Apr, 12:40
Re: April 28: Venus maximum brillianceFred Hebard26 Apr, 11:21
Re: April 28: Venus maximum brillianceFrank Reed26 Apr, 06:01
Re: A12 vs A8-A sextantsGeoffrey Kolbe25 Apr, 18:16
Re: Sign of d in HO249Robert VanderPol II25 Apr, 13:05
Re: Sign of d in HO249David Pike25 Apr, 12:58
Re: Buffy, the Moon is wrong...Robin Stuart25 Apr, 12:15
Re: WWV is audible again (here)Tony Oz25 Apr, 08:40
Re: Sign of d in HO249David Iwancio25 Apr, 02:20
Change of assumed position terminologyDavid C25 Apr, 01:56
Re: WWV is audible again (here)Peter Monta24 Apr, 20:34
Re: Paper: Geometry of Elliptical Probability Contours...Gary LaPook24 Apr, 19:56
Re: WWV is audible again (here)Gary LaPook24 Apr, 19:54
Re: Sign of d in HO249David Pike24 Apr, 19:51
Buffy, the Moon is wrong...Frank Reed24 Apr, 19:50
Re: Paper: Geometry of Elliptical Probability Contours...Andrés Ruiz24 Apr, 19:21
WWV is audible again (here)Tony Oz24 Apr, 19:01
Paper: Geometry of Elliptical Probability Contours...David Pike24 Apr, 16:07
Re: Sign of d in HO249David Iwancio24 Apr, 07:31
Re: Sign of d in HO249David Pike24 Apr, 07:07
Re: Sign of d in HO249Sean C24 Apr, 04:52
Re: Sign of d in HO249Gary LaPook24 Apr, 00:37
Re: Sign of d in HO249David C23 Apr, 22:23
Re: Sign of d in HO249Philippe Posth23 Apr, 21:36
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 Pike23 Apr, 17:06
Re: Sign of d in HO249Tony Oz23 Apr, 14:57
Re: Sign of d in HO249David Pike22 Apr, 21:45
Sign of d in HO249Philippe Posth22 Apr, 14:20
Will anyone ever find Shackleton's lost ship?Robin Stuart22 Apr, 14:04
Re: False horizon under the Moon, under the Sun too?Tony Oz22 Apr, 12:42
Re: UsnoSean C22 Apr, 06:57
Re: Anti-spoof appDavid C21 Apr, 22:05
Re: April 28: Venus maximum brillianceFrank Reed21 Apr, 21:59
Re: False horizon under the Moon, under the Sun too?Gary LaPook21 Apr, 20:55
April 28: Venus maximum brillianceTony Oz21 Apr, 12:37
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr, 11:33
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr, 08:26
Ogura's Short Method for Altitude (aka Nories' A_K table)David C21 Apr, 07:01
Re: False horizon under the Moon, under the Sun too?Michael Cain20 Apr, 23:17
Re: False horizon under the Moon, under the Sun too?Frank Reed20 Apr, 22:50
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?Frank Reed20 Apr, 17:15
False horizon under the Moon, under the Sun too?Tony Oz20 Apr, 11:58
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz20 Apr, 09:03
Re: HO 200 Copyright InfringementDavid C20 Apr, 05:05
HO 200 Copyright InfringementDavid C20 Apr, 03:51
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte20 Apr, 02:23
Re: Online Workshop: Lunars, May 14-16Manuel Cruz19 Apr, 22:20
Re: HO 200 AquinoDavid C19 Apr, 22:11
Re: Online Workshop: Lunars, May 14-16Hewitt Schlereth19 Apr, 21:08
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte19 Apr, 18:40
Online Workshop: Lunars, May 14-16Frank Reed19 Apr, 18:22
Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed19 Apr, 18:16
Re: Venus mer-pass for Lat, Sun time sight for Lon.Bill Ritchie19 Apr, 14:52
Re: HO 200 AquinoFrank Reed19 Apr, 06:35
HO 200 AquinoDavid C19 Apr, 02:46
Precepts - or how to make things more complicated than they really areDavid C18 Apr, 21:44
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz18 Apr, 21:00
Re: NavList social sessions LIVE todayDavid Pike18 Apr, 19:29
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte18 Apr, 18:51
Re: NavList social sessions LIVE todayFrank Reed18 Apr, 18:13
Re: Anti-spoof appFrank Reed18 Apr, 17:49
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden16 Apr, 12:59
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.Tony Oz15 Apr, 16:15
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.Tony Oz15 Apr, 07:40
Re: Weems and Plath Celestial Slide RuleAlan S15 Apr, 03:51
Re: NavList social sessions LIVE todayDavid C15 Apr, 01:50
Re: NavList social sessions LIVE todaySteve E. Bryant15 Apr, 01:09
Re: Anti-spoof appDavid C14 Apr, 22:54
Re: Weems and Plath Celestial Slide RuleDave Walden14 Apr, 22:45
Re: Weems and Plath Celestial Slide RuleTracy Shrier14 Apr, 20:56
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz14 Apr, 14:41
Re: NavList ResourcesGreg Rudzinski14 Apr, 14:38
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte14 Apr, 14:22
Hughes, Dreisonstok and dec~latDavid C13 Apr, 21:58
Re: Referring to Eds Daves & Davids for exampleDustin Baenen13 Apr, 21:35
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.Dave Walden13 Apr, 14:35
Re: 2020-04-12: 59 Earth revolutions around the Sun - since the first man orbited the Earth!James F Campbell12 Apr, 19:35
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 Oz12 Apr, 10:45
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr, 10:21
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr, 09:18
Re: Anti-spoof appHerman Dekker12 Apr, 07:21
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr, 03:38
Re: Anti-spoof appDavid C12 Apr, 02:45
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.Peter Hakel12 Apr, 02:04
Re: Anti-spoof appJim Rives12 Apr, 01:45
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr, 01:11
Re: Anti-spoof appDavid C12 Apr, 00:14
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.Tony Oz11 Apr, 22:51
Re: Anti-spoof appDavid C11 Apr, 21:07
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz11 Apr, 20:26
Re: Weems and Plath Celestial Slide RuleEd J.11 Apr, 19:55
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr, 19:20
Referring to Eds Daves & Davids for exampleDavid Pike11 Apr, 17:07
Re: Weems and Plath Celestial Slide RuleDavid Pike11 Apr, 16:52
NavList ResourcesSteve E. Bryant11 Apr, 14:07
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr, 09:11
Re: Anti-spoof appJim Rives11 Apr, 03:09
Re: Venus mer-pass for Lat, Sun time sight for Lon.David C11 Apr, 00:52
Anti-spoof appDavid C11 Apr, 00:47
Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz10 Apr, 22:06
Re: Weems and Plath Celestial Slide RuleAlan S10 Apr, 20:29
Re: Weems and Plath Celestial Slide RuleEd Popko10 Apr, 14:51
Re: 1583 Dutch Almanac and cross staffHuub Robroek10 Apr, 09:35
Re: Weems and Plath Celestial Slide RuleDavid Pike10 Apr, 09:04
Re: Air Almanac 2020 full pdf now available...Phil F10 Apr, 07:57
Re: 1583 Dutch Almanac and cross staffBob Crawley10 Apr, 06:31
Re: Weems and Plath Celestial Slide RuleTracy Shrier9 Apr, 23:51
Re: 1583 Dutch Almanac and cross staffJürgen Hoefeld9 Apr, 19:49
Re: Venus in daylightDavid Pike9 Apr, 18:52
1583 Dutch Almanac and cross staffBob Crawley9 Apr, 18:51
STARPILOT TI-89(Titanium) calculator program update.Herman Dekker9 Apr, 17:50
Re: Venus in daylightAdrian F9 Apr, 10:50
Re: Venus in daylightFrank Reed9 Apr, 04:23
Re: Venus in daylightChris Willmes8 Apr, 22:35
Re: NavList social sessions LIVE todayFrank Reed8 Apr, 22:21
Re: Venus in daylightDavid Pike8 Apr, 21:12
Re: Weems and Plath Celestial Slide RuleDavid Pike8 Apr, 20:39
Weems and Plath Celestial Slide RuleEd J.8 Apr, 17:52
Re: Venus in daylightDoug Faunt8 Apr, 17:01
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte8 Apr, 16:25
Re: Venus in daylightFrank Reed8 Apr, 16:14
Re: Venus in daylightDavid Pike8 Apr, 14:41
Re: Venus in daylightDavid C8 Apr, 07:05
NavList social sessions LIVE todayFrank Reed8 Apr, 06:34
Re: NavList-donated Amelia Earhart signSteve E. Bryant8 Apr, 04:57
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed8 Apr, 03:55
Re: Venus in daylightDavid C8 Apr, 02:22
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C8 Apr, 02:07
Re: Venus in daylightDavid Pike7 Apr, 20:36
Re: NavList-donated Amelia Earhart signGary LaPook7 Apr, 19:31
Re: Stellarium Star Filtering.?Sean C7 Apr, 18:03
Stellarium Star Filtering.?Marty Lyons7 Apr, 14:00
Re: Venus in daylightTibor Miseta7 Apr, 12:44
Re: Meridian Passage Table, Daily PagesHerman Dekker7 Apr, 08:30
NavList-donated Amelia Earhart signFrank Reed7 Apr, 05:54
Re: Venus in daylightFrank Reed7 Apr, 04:19
Re: Venus in daylightDavid C7 Apr, 00:13
Re: A strange set of Venus LoPs.Mike Burkes6 Apr, 23:26
Meridian Passage Table, Daily PagesSteve E. Bryant6 Apr, 21:27
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed6 Apr, 20:24
Re: A strange set of Venus LoPs.Tony Oz6 Apr, 18:42
Re: Dutch Nautical Atlas/Almanac 1584Bob Crawley6 Apr, 17:50
Re: A strange set of Venus LoPs.Antoine Couëtte6 Apr, 17:14
Re: A strange set of Venus LoPs.Tony Oz6 Apr, 16:35
Re: Bausch and Lomb 5854 sextantChris Caswell6 Apr, 11:30
A strange set of Venus LoPs.Tony Oz6 Apr, 09:29
Re: Curve fitting for noon SunAntoine Couëtte5 Apr, 23:49
Re: Dutch Nautical Atlas/Almanac 1584Frank Reed5 Apr, 22:41
Re: Nautical Almanac AppDavid C5 Apr, 22:29
Re: Venus in daylightFrank Reed5 Apr, 22:26
Re: Venus in daylightDavid C5 Apr, 22:19
Re: Nautical Almanac AppHerman Dekker5 Apr, 21:39
Re: Nautical Almanac AppAndrés Ruiz5 Apr, 17:18
Re: Venus in daylightDavid Pike5 Apr, 13:54
Re: Dutch Nautical Atlas/Almanac 1584Huub Robroek5 Apr, 13:34
Bausch and Lomb 5854 sextantMichael Nolan5 Apr, 12:00
Re: Nautical Almanac AppHerman Dekker5 Apr, 07:21
Dutch Nautical Atlas/Almanac 1584Bob Crawley5 Apr, 07:02
Re: Star Tracker - Space Shuttle and the Inertial Upper Stage.Sean C5 Apr, 05:16
Sirius: spin-off of the "Venus in daylight"Tony Oz5 Apr, 00:36
Re: Venus in daylightFrank Reed4 Apr, 22:38
Re: Venus in daylightIgor S.4 Apr, 21:40
Re: Nautical Almanac AppDavid C4 Apr, 21:35
Star Tracker - Space Shuttle and the Inertial Upper Stage.Derrick Young4 Apr, 18:53
Re: Nautical Almanac AppAndrés Ruiz4 Apr, 09:40
Re: Lunars: optimal angular distancesSteve E. Bryant4 Apr, 09:38
Re: Star tracker article, interesting graphicsAntoine Couëtte4 Apr, 09:31
Re: Venus in daylightPeter Monta4 Apr, 03:40
Re: Nautical Almanac AppDavid C3 Apr, 22:51
Re: Nautical Almanac AppDavid C3 Apr, 22:41
Re: Nautical Almanac AppDavid C3 Apr, 21:49
Star tracker article, interesting graphicsDoug Faunt3 Apr, 17:14
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Francis Upchurch3 Apr, 17:07
Re: Minimum geocentric Saturn-Mars apparent angular DistanceBill Ritchie3 Apr, 12:06
Re: Nautical Almanac AppAndrés Ruiz3 Apr, 09:21
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C3 Apr, 06:56
Re: Celestial in the Age of Sail, April 7-9, onlineAlan S2 Apr, 19:59
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Alan S2 Apr, 19:53
Re: Minimum geocentric Saturn-Mars apparent angular DistanceDave Walden2 Apr, 16:58
Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Bill Ritchie2 Apr, 10:40
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C2 Apr, 08:13
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte2 Apr, 07:35
Re: Lunars: optimal angular distancesSean C2 Apr, 04:48
Re: Celestial in the Age of Sail, April 7-9, onlineFrank Reed1 Apr, 21:21
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C1 Apr, 20:32
Re: Sun-Venus distance observationSteve E. Bryant1 Apr, 19:18
Re: Celestial in the Age of Sail, April 7-9, onlineHerman Dekker1 Apr, 09:11
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C1 Apr, 09:04
Re: Venus in daylightDavid C1 Apr, 06:38
Re: Venus in daylightFrank Reed1 Apr, 05:23
Re: Venus in daylightDavid C1 Apr, 05:02
Re: Celestial in the Age of Sail, April 7-9, onlineSam Lyness1 Apr, 01:41
Re: Sun-Venus distance observationFrank Reed31 Mar, 22:29
Re: Lunars: optimal angular distancesFrank Reed31 Mar, 22:19
Re: Venus in daylightFrank Reed31 Mar, 21:54
Re: Venus in daylightDavid C31 Mar, 21:36
Re: Venus in daylightDavid C31 Mar, 21:30
Re: Venus in daylightFrank Reed31 Mar, 20:47
Lunars: optimal angular distancesSteve E. Bryant31 Mar, 18:55
Celestial in the Age of Sail, April 7-9, onlineFrank Reed31 Mar, 18:17
Re: Navigation webinarsDavid Pike31 Mar, 13:29
Sextant problem gonePaul Werner31 Mar, 12:09
Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte31 Mar, 07:07
Re: Bagnold Sun CompassDavid C31 Mar, 06:16
Re: Venus in daylightDavid C31 Mar, 04:38
Bagnold Sun CompassMichael Jones31 Mar, 04:00
Nautical Almanac AppDavid C30 Mar, 21:44
Re: d correctionTony Oz30 Mar, 21:38
Re: d correctionAlan S30 Mar, 20:59
Air Almanac and AP 2020 availableAlexander Duytschaever30 Mar, 13:35
Re: d correctionTony Oz30 Mar, 09:11
Re: d correctionBarrie Heald30 Mar, 02:33
Re: Sun-Venus distance observationIgor S.29 Mar, 21:56
Re: Venus in daylightDavid C29 Mar, 21:33
Re: Sun-Venus distance observationIgor S.29 Mar, 21:33
Re: Venus in daylightDoug Faunt29 Mar, 16:52
Re: Venus in daylightDoug Faunt29 Mar, 16:50
Re: d correctionTony Oz29 Mar, 16:25
Re: d correctionBarrie Heald29 Mar, 14:05
Re: Venus in daylightTony Oz29 Mar, 13:21
Re: Venus in daylightDavid Pike29 Mar, 09:46
Re: Venus in daylightSean C29 Mar, 04:40
Re: Venus in daylightGreg Rudzinski29 Mar, 00:41
Re: Venus in daylightDavid C28 Mar, 23:17
Re: Venus in daylightDavid C28 Mar, 23:08
Re: Venus in daylightTony Oz28 Mar, 20:14
Re: Venus in daylightFrank Reed28 Mar, 19:54
Re: Venus in daylightTony Oz28 Mar, 18:57
Re: Venus in daylightFrank Reed28 Mar, 03:27
Re: Venus in daylightDavid C28 Mar, 02:39
Re: Venus in daylightFrank Reed28 Mar, 01:53
Venus in daylightFrank Reed27 Mar, 22:19
Re: Sun-Venus distance observationHerman Dekker27 Mar, 19:46
Re: Sun-Venus distance observationTony Oz27 Mar, 19:35
Re: Sun-Venus distance observationIgor S.27 Mar, 10:58
Re: GPS Anti Spoof ProDavid Pike27 Mar, 08:40
Re: GPS Anti Spoof ProDavid C27 Mar, 06:41
Re: GPS Anti Spoof ProDavid C27 Mar, 06:28
Re: GPS Anti Spoof ProDavid C27 Mar, 06:24
Re: GPS Anti Spoof ProFrank Reed27 Mar, 00:10
Re: GPS Anti Spoof ProDavid Pike26 Mar, 23:11
Re: LAN calculations for GHATony Oz26 Mar, 22:54
LAN calculations for GHAAdam Frolic26 Mar, 19:28
Re: Maskelyne: Astronomer RoyalGeoffrey Kolbe26 Mar, 06:13
Re: Bubble SextantsRobert Swartz26 Mar, 00:37
Re: Maskelyne: Astronomer RoyalDoug Faunt26 Mar, 00:16
Re: Maskelyne: Astronomer RoyalCharles McElhill25 Mar, 21:33
Re: Maskelyne: Astronomer RoyalAlexandre Eremenko25 Mar, 20:54
Bubble SextantsRobert Swartz25 Mar, 18:57
Re: Maskelyne: Astronomer RoyalWolfgang Köberer25 Mar, 16:53
Re: A12 vs A8-A sextantsRobert Swartz25 Mar, 15:44
Re: Maskelyne: Astronomer RoyalFrank Reed25 Mar, 04:20
Re: GPS Anti Spoof ProFrank Reed25 Mar, 03:36
Happy Birthday, John HarrisonFrank Reed25 Mar, 03:24
Re: Maskelyne: Astronomer RoyalDavid Pike24 Mar, 21:16
Re: Maskelyne: Astronomer RoyalCharles McElhill24 Mar, 12:38
GPS Anti Spoof ProEd Popko24 Mar, 10:59
Re: A12 vs A8-A sextantsGary LaPook24 Mar, 03:30
Re: A12 vs A8-A sextantsChris Caswell23 Mar, 21:43
Re: Maskelyne: Astronomer RoyalFrank Reed23 Mar, 21:42
Re: A12 vs A8-A sextantsMichael Jones23 Mar, 19:33
Re: Maskelyne: Astronomer RoyalJackson McDonald23 Mar, 18:11
Re: Maskelyne: Astronomer RoyalFrancis Upchurch23 Mar, 17:28
Maskelyne: Astronomer RoyalCharles McElhill23 Mar, 16:33
Re: Index error vs. index correctionAntoine Couëtte23 Mar, 16:27
Re: A12 vs A8-A sextantsDustin Baenen23 Mar, 13:42
Re: Sun-Venus distance observationTony Oz23 Mar, 11:58
Re: Longitude by Time Sight Using a Slide RuleFrancis Upchurch23 Mar, 06:39
Re: Longitude by Time Sight Using a Slide RuleAlan S23 Mar, 02:37
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski22 Mar, 23:19
Re: Longitude by Time Sight Using a Slide RuleAlan S22 Mar, 22:32
Re: A12 vs A8-A sextantsMichael Jones22 Mar, 21:06
Re: Index error vs. index correctionRobin Stuart22 Mar, 20:54
Re: Index error vs. index correctionAntoine Couëtte22 Mar, 19:17
Sun-Venus distance observationTony Oz22 Mar, 20:26
Re: Index error vs. index correctionAntoine Couëtte22 Mar, 19:07
Re: A12 vs A8-A sextantsGary LaPook22 Mar, 19:06
Re: A12 vs A8-A sextantsGary LaPook22 Mar, 19:02
A12 vs A8-A sextantsMichael Jones22 Mar, 13:51
Re: Index error vs. index correctionRobin Stuart22 Mar, 13:49
Using Photographs from the wwwDavid Pike22 Mar, 13:37
Re: Please help to identify a sextantDavid Pike22 Mar, 10:28
Re: Index error vs. index correctionGary LaPook22 Mar, 01:39
Re: Please help to identify a sextantPeter Monta21 Mar, 23:25
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie21 Mar, 23:05
Re: Please help to identify a sextantDavid Pike21 Mar, 22:15
Re: Please help to identify a sextantTony Oz21 Mar, 20:43
Re: Index error vs. index correctionAntoine Couëtte21 Mar, 20:22
Re: Please help to identify a sextantGeoffrey Kolbe21 Mar, 20:20
Re: Tabulate Lunar Distances by GHATony Oz21 Mar, 20:03
Re: Tabulate Lunar Distances by GHATony Oz21 Mar, 19:56
Tabulate Lunar Distances by GHAFrank Reed21 Mar, 19:13
Re: Index error vs. index correctionDave Walden21 Mar, 13:04
Re: Please help to identify a sextantDavid Pike21 Mar, 09:57
Re: Calculating the time when GHA is equals zero?Tony Oz21 Mar, 07:08
Re: Calculating the time when GHA is equals zero?Steve E. Bryant21 Mar, 00:15
Re: Please help to identify a sextantDavid Pike20 Mar, 21:15
(Almost) no shadowBob Miorelli20 Mar, 20:13
Re: Index error vs. index correctionAntoine Couëtte20 Mar, 19:36
Re: H.O. 249: rounding HoPaul Hirose20 Mar, 18:43
Re: Please help to identify a sextantTony Oz20 Mar, 08:45
Re: H.O. 249: rounding HoMichael Jones20 Mar, 04:26
Re: Please help to identify a sextantAlexandre Eremenko20 Mar, 01:07
Re: Please help to identify a sextantIgor S.19 Mar, 23:35
Navigation webinarsDavid Pike19 Mar, 21:36
Please help to identify a sextantTony Oz19 Mar, 21:04
Re: Navigate to this islandAlexandre Eremenko19 Mar, 20:39
Re: Navigate to this islandTony Oz19 Mar, 20:24
Re: Navigate to this islandJames F Campbell19 Mar, 20:20
Re: Navigate to this islandJackson McDonald19 Mar, 20:15
Re: Navigate to this islandGreg Rudzinski19 Mar, 20:10
Re: Navigate to this islandGreg Rudzinski19 Mar, 20:08
Navigate to this islandFrank Reed19 Mar, 19:20
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch19 Mar, 10:52
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie18 Mar, 18:53
Re: Grand Princess and Plague flagJeremy C18 Mar, 09:13
Re: Grand Princess and Plague flagJeremy C18 Mar, 09:08
Re: H.O. 249: rounding HoGary LaPook18 Mar, 07:36
Re: Royal Museums Greenwich closedDavid C18 Mar, 04:53
Re: Royal Museums Greenwich closedPeter Monta17 Mar, 23:40
H.O. 249: rounding HoIgor S.17 Mar, 22:56
Re: Kelvin Hughes sounding sextant !Frank Atkins17 Mar, 22:30
Re: GPS Anti Spoof: time to update...Frank Reed17 Mar, 21:53
Re: Royal Museums Greenwich closedChris Willmes17 Mar, 20:38
Re: Grand Princess and Plague flagDoug Faunt17 Mar, 20:12
Re: Grand Princess and Plague flagDavid Pike17 Mar, 20:02
GMT by Lunar Distance in GuatemalaFrank Reed17 Mar, 19:59
Royal Museums Greenwich closedFrank Reed17 Mar, 19:55
Re: Grand Princess and Plague flagLu Abel17 Mar, 18:47
Re: Kelvin Hughes sounding sextant !Jean-Philippe Planas17 Mar, 17:29
Re: Kelvin Hughes sounding sextant !Ed Popko17 Mar, 16:51
Re: Kelvin Hughes sounding sextant !Bill Morris17 Mar, 06:34
Grand Princess and Plague flagPaul Saffo17 Mar, 04:45
Re: Calculating the time when GHA is equals zero?Tony Oz16 Mar, 10:58
Re: Calculating the time when GHA is equals zero?Paul Hirose14 Mar, 20:21
Re: Calculating the time when GHA is equals zero?Tony Oz14 Mar, 19:07
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar, 17:45
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar, 10:39
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar, 06:18
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar, 04:35
Re: Kelvin Hughes sounding sextant !Frank Atkins13 Mar, 23:28
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar, 22:58
Index error vs. index correctionPaul Hirose13 Mar, 21:38
Re: Kelvin Hughes sounding sextant !Paul Hirose13 Mar, 21:36
Re: Time of SunsetDavid C13 Mar, 21:26
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar, 19:37
Re: Captain Cook & celestial navigationRoger W. Sinnott13 Mar, 17:56
Re: Captain Cook & celestial navigationRobin Stuart13 Mar, 16:29
Re: Calculating the time when GHA is equals zero?Jeremy C13 Mar, 12:22
Time of SunsetDavid C13 Mar, 07:48
Re: Calculating the time when GHA is equals zero?Steve E. Bryant13 Mar, 03:20
Re: Another SpaceX launch: photo celestialThomas Spidle13 Mar, 01:54
Re: Another SpaceX launch: photo celestialDoug Faunt12 Mar, 20:00
Re: Another SpaceX launch: photo celestialFrank Reed12 Mar, 19:41
Re: Calculating the time when GHA is equals zero?Tony Oz12 Mar, 18:02
Re: GPS Anti Spoof: time to update...Frank Reed12 Mar, 17:29
Re: Kelvin Hughes sounding sextant !Frank Atkins12 Mar, 12:09
Re: Kelvin Hughes sounding sextant !Michael Bradley12 Mar, 12:04
Re: Calculating the time when GHA is equals zero?Jeremy C12 Mar, 08:06
Re: Kelvin Hughes sounding sextant !Michael Bradley11 Mar, 23:37
Re: Calculating the time when GHA is equals zero?Tony Oz11 Mar, 20:13
Re: Using the sun's direct and reflected image to determine a sextant's IEAntoine Couëtte11 Mar, 19:09
Re: Calculating the time when GHA is equals zero?Steve E. Bryant11 Mar, 06:23
Re: Modern Bygrave Slide Rule EmulatorGary LaPook10 Mar, 20:42
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz10 Mar, 18:47
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 IEEd Popko10 Mar, 11:46
Re: Using the sun's direct and reflected image to determine a sextant's IEPaul Hirose10 Mar, 06:03
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar, 23:34
Custom Compact Sight Reduction TablesGreg Rudzinski9 Mar, 22:13
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 IEGreg Rudzinski9 Mar, 19:39
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz9 Mar, 19:26
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 IEGreg Rudzinski9 Mar, 17:21
Using the sun's direct and reflected image to determine a sextant's IEEd Popko9 Mar, 12:59
Kelvin Hughes sounding sextant !Frank Atkins9 Mar, 09:25
Calculating the time when GHA is equals zero?Steve E. Bryant9 Mar, 06:14
LunarsChris Lamousin9 Mar, 03:00
Re: Custom Ex-Meridian Table for Slide RuleGreg Rudzinski9 Mar, 02:07
Re: Another SpaceX launch: photo celestialFrank Reed8 Mar, 22:36
Custom Ex-Meridian Table for Slide RuleGreg Rudzinski8 Mar, 18:10
Another SpaceX launch: photo celestialFrank Reed8 Mar, 01:03
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar, 21:51
Re: Smart Phone CNGreg Rudzinski7 Mar, 10:55
Re: Modern Bygrave Slide Rule EmulatorBob Crawley7 Mar, 09:24
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar, 07:52
Re: Smart Phone CNTom Sult7 Mar, 03:25
Re: Smart Phone CNGreg Rudzinski6 Mar, 23:05
Re: Modern Bygrave Slide Rule EmulatorGreg Rudzinski6 Mar, 20:49
Re: Modern Bygrave Slide Rule EmulatorGary LaPook6 Mar, 19:06
Re: AH - sandwich (working concept)Igor S.6 Mar, 00:00
Modern Bygrave Slide Rule EmulatorBill Ritchie5 Mar, 20:45
Re: Smart Phone CNGreg Rudzinski5 Mar, 19:51
Re: Smart Phone CNAndrés Ruiz5 Mar, 19:50
Re: Smart Phone CNEd Hlywa5 Mar, 17:56
Re: ChronographGeoffrey Kolbe5 Mar, 09:14
Re: AH - sandwich (working concept)Geoffrey Kolbe5 Mar, 07:06
Re: ChronographDavid Iwancio5 Mar, 03:46
Re: Smart Phone CNGreg Rudzinski5 Mar, 02:52
Re: ChronographAlan S5 Mar, 01:57
AH - sandwich (working concept)Igor S.4 Mar, 23:45
Re: ChronographDustin Baenen4 Mar, 21:21
Re: ChronographTony Oz4 Mar, 20:28
Re: ChronographGreg Rudzinski4 Mar, 19:18
Re: Google Maps and Street viewDoug Faunt4 Mar, 16:56
Re: ChronographMichael Cain4 Mar, 16:25
Re: ChronographDustin Baenen4 Mar, 15:55
Re: ChronographGreg Rudzinski4 Mar, 15:16
Re: ChronographGreg Rudzinski4 Mar, 14:31
Re: ChronographGreg Rudzinski4 Mar, 14:20
Re: Longitudes greater than 180Robert VanderPol II4 Mar, 14:02
Re: ChronographNick M4 Mar, 13:46
Re: Longitudes greater than 180Geoffrey Kolbe4 Mar, 07:44
Re: Today's sub-Sun pointSteve E. Bryant4 Mar, 06:29
ChronographJason Owens2 Mar, 22:41
ChronographsJason Owens4 Mar, 03:37
Re: Longitudes greater than 180Frank Reed4 Mar, 03:24
Re: Today's sub-Sun pointFrank Reed4 Mar, 02:34
Re: Air Almanac 2020 full pdf now available...Frank Reed4 Mar, 01:42
Longitudes greater than 180Paul Hirose3 Mar, 22:07
Re: Archive of HMS Bounty fatefulvoyage.comDavid Pike3 Mar, 20:40
Archive of HMS Bounty fatefulvoyage.comFrank Reed3 Mar, 20:10
Re: Today's sub-Sun pointSteve E. Bryant3 Mar, 19:26
Re: Smart Phone CNGreg Rudzinski3 Mar, 15:47
Re: Today's sub-Sun pointJohn D. Howard3 Mar, 13:11
Re: Sunrise Time Sight /Amplitude LOPBrian Walton3 Mar, 09:46
Re: Today's sub-Sun pointTony Oz3 Mar, 08:18
Re: Today's sub-Sun pointSteve E. Bryant3 Mar, 03:36
Re: Today's sub-Sun pointDavid C3 Mar, 00:40
Re: [OT] Browser trickDavid C2 Mar, 20:41
Re: Today's sub-Sun pointPaul Saffo2 Mar, 17:54
Smart Phone CNGreg Rudzinski2 Mar, 14:12
Re: Choosing right A-10: how to?David Pike2 Mar, 11:20
Re: Choosing right A-10: how to?Tony Oz2 Mar, 08:42
Re: Choosing right A-10: how to?Gary LaPook2 Mar, 08:13
Re: [OT] Browser trickDavid Pike1 Mar, 22:24
Sunrise Time Sight /Amplitude LOPGreg Rudzinski1 Mar, 21:49
Re: [OT] Browser trickFrank Reed1 Mar, 21:22
Re: Choosing right A-10: how to?David Pike1 Mar, 20:01
Re: [OT] Browser trickWolfgang Köberer1 Mar, 18:08
Today's sub-Sun pointFrank Reed1 Mar, 17:57
Russian mechanical navigation computerBob Goethe29 Feb, 15:57
Japanese star globeBob Goethe29 Feb, 15:55
Re: Choosing right A-10: how to?Gary LaPook29 Feb, 01:40
Final posting: Ron Peel, DFCMichael Cain28 Feb, 21:20
Re: Katherine Johnson/Browser trickHerman Dekker28 Feb, 08:32
Re: Choosing right A-10: how to?Bill Morris27 Feb, 21:55
Re: Katherine JohnsonMichael Cain27 Feb, 21:39
Re: Choosing right A-10: how to?David Pike27 Feb, 21:30
Re: Choosing right A-10: how to?David Pike27 Feb, 20:58
Re: Katherine JohnsonFrank Reed27 Feb, 20:17
Katherine JohnsonDavid Pike27 Feb, 19:37
Re: Choosing right A-10: how to?Tony Oz27 Feb, 17:36
Re: Choosing right A-10: how to?David Pike27 Feb, 10:30
Re: Choosing right A-10: how to?Gary LaPook27 Feb, 06:55
Choosing right A-10: how to?Tony Oz26 Feb, 15:58
Re: Artificial horizon: gyro vs bubble?David Pike24 Feb, 22:07
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 18:18
Re: Martelli Table ProvenanceDave Walden24 Feb, 16:12
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:56
Re: Martelli Table ProvenanceRobert Wyatt24 Feb, 15:37
Martelli Table ProvenanceGreg Rudzinski24 Feb, 15:07
Re: Artificial horizon: gyro vs bubble?Tony Oz24 Feb, 09:36
Re: Artificial horizon: gyro vs bubble?Bill Morris23 Feb, 22:28
Re: UsnoFrank Maxwell20 Feb, 22:39
Re: Artificial horizon: gyro vs bubble?David Pike20 Feb, 17:15
Re: Artificial horizon: gyro vs bubble?Tony Oz20 Feb, 08:36
Re: UsnoSean C20 Feb, 05:27
USNOFrank Maxwell20 Feb, 02:32
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 22:46
Re: Artificial horizon: gyro vs bubble?David Pike19 Feb, 18:36
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb, 10:28
Artificial horizon: gyro vs bubble?Tony Oz19 Feb, 09:05
Re: Please help to identify a sextantTony Oz19 Feb, 08:59
Re: Please help to identify a sextantDavid Pike18 Feb, 19:33
Re: Please help to identify a sextantGeoffrey Kolbe18 Feb, 16:56
Re: Please help to identify a sextantDave Walden18 Feb, 16:03
Re: Please help to identify a sextantTony Oz18 Feb, 15:27
Re: Please help to identify a sextantDavid Pike18 Feb, 13:31
Re: Please help to identify a sextantDavid Pike17 Feb, 23:22
Please help to identify a sextantTony Oz17 Feb, 21:46
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 21:24
Re: Kollsman periscopic sextant mountBill Morris17 Feb, 21:15
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 21:03
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb, 20:36
Re: Two Bodies + Angle Between Them = Third LoPFrank Reed17 Feb, 19:57
Re: Two Bodies + Angle Between Them = Third LoPJohn D. Howard17 Feb, 19:33
Re: Lunar distance parallactic retardationFrank Reed17 Feb, 19:32
Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb, 19:10
Re: Kollsman periscopic sextant mountGary LaPook16 Feb, 07:13
Re: Kollsman periscopic sextant mountMichael Jones15 Feb, 19:08
Re: Lunar distance parallactic retardationAntoine Couëtte15 Feb, 18:12
Re: Automatic Plotting of LOP's using graphing calculatorBill Ritchie15 Feb, 02:23
Lunar distance parallactic retardationPaul Hirose14 Feb, 21:24
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 18:43
Re: A-12 ExperiencesAndrés Ruiz14 Feb, 14:39
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb, 08:45
Re: Automatic Plotting of LOP's using graphing calculatorAndrés Ruiz14 Feb, 06:54
Re: Automatic Plotting of LOP's using graphing calculatorAlex Spradling14 Feb, 00:34
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz13 Feb, 23:19
Automatic Plotting of LOP's using graphing calculatorAlex Spradling13 Feb, 22:57
Re: Celestial Navigation classes in the UK in JuneFrank Reed13 Feb, 20:05
Celnav apps for AndroidAndrés Ruiz13 Feb, 18:01
Re: Sun Slow DayRobert VanderPol II13 Feb, 14:10
Re: What does the Analemma depict?Ed Popko13 Feb, 13:35
Re: What does the Analemma depict?David Iwancio12 Feb, 22:27
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 20:46
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 20:13
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb, 19:06
Re: What does the Analemma depict?Steve E. Bryant12 Feb, 18:59
Re: Sun Slow DayEd Popko12 Feb, 11:23
Re: A-12 ExperiencesEd Popko12 Feb, 11:12
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose12 Feb, 06:11
Re: A-12 ExperiencesDavid Pike11 Feb, 19:19
Sun Slow DayFrank Reed11 Feb, 18:29
Re: A-12 ExperiencesTony Oz11 Feb, 18:20
Re: A-12 ExperiencesEd Popko11 Feb, 13:36
Re: A-12 ExperiencesDavid Pike10 Feb, 19:47
Re: Is this a real site (celestial... .info)?Bill Lionheart10 Feb, 08:29
Re: A-12 ExperiencesRobert VanderPol II10 Feb, 07:04
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:46
Re: Kollsman periscopic sextant mountGary LaPook10 Feb, 06:09
Re: A-12 ExperiencesGeoffrey Kolbe10 Feb, 05:56
Re: A-12 ExperiencesEd Popko10 Feb, 01:06
Re: A-12 ExperiencesEd Popko10 Feb, 00:57
Re: Is this a real site (celestial... .info)?Ken Gebhart Jr.10 Feb, 00:48
Re: Is this a real site (celestial... .info)?Frank Reed10 Feb, 00:25
Re: A-12 ExperiencesTibor Miseta9 Feb, 23:23
Re: Is this a real site (celestial... .info)?Philippe Posth9 Feb, 19:07
Re: A-12 ExperiencesGeoffrey Kolbe9 Feb, 17:47
Re: Classical Lunars diagram: who invented it ?Frank Reed9 Feb, 17:46
Classical Lunars diagram: who invented it ?Antoine Couëtte9 Feb, 14:43
Re: Kollsman periscopic sextant mountR William McAllister9 Feb, 13:04
Re: Kollsman periscopic sextant mountDavid Pike9 Feb, 12:57
A-12 ExperiencesEd Popko9 Feb, 11:44
Re: Is this a real site (celestial... .info)?David C9 Feb, 08:16
Re: Kollsman periscopic sextant mountGary LaPook9 Feb, 05:54
Re: Is this a real site (celestial... .info)?Doug Faunt8 Feb, 22:12
Re: Kollsman periscopic sextant mountJakub Stastny6 Feb, 07:05
Re: Celestial Navigation classes in the UK in JuneGreg Rudzinski8 Feb, 20:33
Re: Weems Star Altitude CurvesTony Oz8 Feb, 20:00
Re: Is this a real site (celestial... .info)?Paul Hirose8 Feb, 19:47
Celestial Navigation classes in the UK in JuneFrank Reed8 Feb, 19:30
Re: Is this a real site (celestial... .info)?Frank Reed8 Feb, 19:06
Re: Is this a real site (celestial... .info)?Igor S.8 Feb, 18:55
Re: Weems Star Altitude CurvesFrank Reed8 Feb, 18:47
Is this a real site (celestial... .info)?Doug Faunt8 Feb, 17:59
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 09:09
Re: Weems Star Altitude CurvesMurray Peake8 Feb, 08:52
Re: Weems Star Altitude CurvesTony Oz8 Feb, 08:20
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte8 Feb, 07:41
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed8 Feb, 04:05
Re: Weems Star Altitude CurvesDave Walden7 Feb, 23:08
Re: Weems Star Altitude CurvesTony Oz7 Feb, 18:48
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte7 Feb, 13:09
Re: Weems Star Altitude CurvesMurray Peake7 Feb, 08:54
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 22:28
Re: Weems Star Altitude CurvesTony Oz6 Feb, 22:06
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 21:05
Re: Weems Star Altitude CurvesTony Oz6 Feb, 20:50
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 20:17
Re: Weems Star Altitude CurvesMurray Peake6 Feb, 19:43
Re: Latitude by two stars observed simultaneouslyFrank Reed6 Feb, 18:25
The All-Haversine formula for Hc known since 1924?Tony Oz6 Feb, 17:56
Re: Weems Star Altitude CurvesTony Oz6 Feb, 08:14
Re: Latitude by two stars observed simultaneouslyAlan S5 Feb, 19:21
Re: History & development of HO-249Gary LaPook5 Feb, 19:30
Re: History & development of HO-249Gary LaPook5 Feb, 19:29
Re: History & development of HO-249Gary LaPook5 Feb, 19:25
Re: History & development of HO-249Gary LaPook5 Feb, 18:46
Re: Weems Star Altitude CurvesMurray Peake5 Feb, 17:39
Re: Russian Tables of Computed Altitude and AzimuthTony Oz5 Feb, 17:13
Re: Weems Star Altitude CurvesTony Oz5 Feb, 13:51
Re: Captain Cook & celestial navigationWolfgang Köberer5 Feb, 10:04
Re: History & development of HO-249Igor S.5 Feb, 09:42
Re: Russian Tables of Computed Altitude and AzimuthIgor S.5 Feb, 09:36
Re: Captain Cook & celestial navigationRobin Stuart4 Feb, 15:47
Russian Tables of Computed Altitude and AzimuthTony Oz4 Feb, 14:44
Re: History & development of HO-249David C4 Feb, 03:10
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:54
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb, 21:19
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose3 Feb, 19:00
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed3 Feb, 17:58
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 06:20
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:36
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb, 05:17
Re: History & development of HO-249Frank Reed3 Feb, 03:56
Re: Captain Cook & celestial navigationFrank Reed3 Feb, 02:53
Re: History & development of HO-249Robert VanderPol II3 Feb, 02:51
Re: A postage stamp on a football?? – try a cricket ball.Frank Reed3 Feb, 02:14
Re: History & development of HO-249Gary LaPook3 Feb, 00:21
Re: Moon Venus Lunar - Interpretation of resultsJim Rives2 Feb, 22:26
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:53
Re: Captain Cook & celestial navigationRobin Stuart2 Feb, 18:26
History & development of HO-249Igor S.2 Feb, 17:18
A postage stamp on a football?? – try a cricket ball.David Pike2 Feb, 10:28
Re: Scale of InterceptSean C2 Feb, 07:19
Re: Captain Cook & celestial navigationGeoffrey Kolbe2 Feb, 08:10
Re: Scale of InterceptSean C2 Feb, 07:14
Re: Scale of InterceptDavid C2 Feb, 03:16
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed2 Feb, 02:08
Re: Scale of InterceptJohn D. Howard2 Feb, 01:25
Re: Scale of InterceptFrank Reed2 Feb, 01:13
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose1 Feb, 23:54
Re: Scale of InterceptDavid C1 Feb, 21:19
Re: Scale of InterceptDavid Pike1 Feb, 19:01
Re: Scale of InterceptJohn D. Howard1 Feb, 17:55
Re: Scale of InterceptFrank Reed1 Feb, 17:20
Scale of InterceptDavid C1 Feb, 04:32
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:46
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:38
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb, 01:09
Arthur Rostron's sextantPaul Hirose31 Jan, 22:15
Re: Captain Cook & celestial navigationJohn D. Howard31 Jan, 18:35
Re: Moon Venus Lunar - Interpretation of resultsGeoffrey Kolbe31 Jan, 15:06
Re: Moon Venus Lunar - Interpretation of resultsEd Popko31 Jan, 12:36
Re: Starmaster slide rule on ebayWil Bailey31 Jan, 11:56
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 06:05
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan, 03:36
Re: Anti-spoof testing my sextantJim Rives31 Jan, 03:06
Re: Moon Venus Lunar - Interpretation of resultsJim Rives31 Jan, 02:59
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 02:07
Re: Anti-spoof testing my sextantFrank Reed31 Jan, 01:57
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed31 Jan, 01:36
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 21:07
Re: Captain Cook & celestial navigationRobin Stuart30 Jan, 18:54
Anti-spoof testing my sextantJim Rives30 Jan, 17:00
Moon Venus Lunar - Interpretation of resultsJim Rives30 Jan, 16:49
Re: GPS Anti Spoof based on radio sextant ?David Pike30 Jan, 11:50
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 07:44
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan, 06:58
Re: Satellite collision over northeast USJim Rives30 Jan, 02:59
Re: Satellite collision over northeast USDave Walden30 Jan, 00:22
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 22:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyEd Popko29 Jan, 21:26
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyDavid Pike29 Jan, 21:08
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan, 20:18
Re: Captain Cook & celestial navigationDavid Pike29 Jan, 19:36
Satellite collision over northeast USFrank Reed29 Jan, 19:29
Re: Captain Cook & celestial navigationRobin Stuart29 Jan, 17:52
Re: Captain Cook & celestial navigationFrank Reed29 Jan, 17:01
Re: Earliest Crescent Moon VisibilityHerman Dekker29 Jan, 11:31
Re: GPS Anti Spoof based on radio sextant ?Frank Reed28 Jan, 19:06
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed27 Jan, 18:14
Re: Earliest Crescent Moon VisibilityGary LaPook27 Jan, 17:30
Re: Earliest Crescent Moon VisibilityDavid Iwancio27 Jan, 17:21
Re: Earliest Crescent Moon VisibilityFrank Reed27 Jan, 17:04
GPS Anti Spoof based on radio sextant ?Igor S.27 Jan, 16:43
Re: Earliest Crescent Moon VisibilityRobert H. van Gent27 Jan, 16:41
Re: HMNAO Websites Down Too?David Iwancio27 Jan, 16:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRobin Stuart27 Jan, 14:44
Earliest Crescent Moon VisibilityHerman Dekker27 Jan, 14:27
Re: Celestial navigation: easier basic principle?Ed Popko27 Jan, 10:56
HMNAO Websites Down Too?David Iwancio27 Jan, 07:38
Re: Celestial navigation: easier basic principle?Geoffrey Kolbe27 Jan, 06:54
Re: No DR position. How can you get an accurate celestial fix?David C27 Jan, 06:33
Re: Navigation devices available now on ebay.Gary LaPook27 Jan, 05:02
Re: Celestial navigation: easier basic principle?Bruce Cutting27 Jan, 03:23
Re: Celestial navigation: easier basic principle?Peter Monta27 Jan, 02:59
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 23:36
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed26 Jan, 20:56
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan, 20:07
Re: Celestial navigation: easier basic principle?Bruce Cutting26 Jan, 19:10
Cold War Hangar Navigating & Tales from On-board ShuttleR William McAllister26 Jan, 18:47
Re: Celestial navigation: easier basic principle?R William McAllister26 Jan, 12:51
Re: Cosine formula to solve a right spherical triangle?Ed Popko26 Jan, 12:36
Re: Navigation devices available now on ebay.David Pike26 Jan, 09:05
Re: Celestial navigation: easier basic principle?Peter Monta26 Jan, 07:44
Sky & Telescope Magazine article on Capt. Cook's AstronomyPaul Saffo26 Jan, 06:28
Re: No DR position. How can you get an accurate celestial fix?David C26 Jan, 02:25
Re: Navigation devices available now on ebay.Gary LaPook25 Jan, 23:17
Re: Navigation devices available now on ebay.David Pike25 Jan, 19:40
Re: No DR position. How can you get an accurate celestial fix?Frank Reed25 Jan, 19:12
Re: No DR position. How can you get an accurate celestial fix?Mike Burkes25 Jan, 16:01
Re: No DR position. How can you get an accurate celestial fix?David Pike25 Jan, 08:07
Navigation devices available now on ebay.Gary LaPook25 Jan, 07:05
Celestial navigation: easier basic principle?A Ponics25 Jan, 04:42
Re: No DR position. How can you get an accurate celestial fix?Peter Hakel25 Jan, 03:39
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsIgor S.24 Jan, 23:45
Re: No DR position. How can you get an accurate celestial fix?David Pike24 Jan, 19:41
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz24 Jan, 09:40
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart24 Jan, 07:45
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsAlexandre Eremenko23 Jan, 21:18
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook23 Jan, 19:26
Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz23 Jan, 08:32
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 Reed23 Jan, 02:56
Davis Instruments Prism-Level Owner's ManualRoger C Bucholz23 Jan, 01:51
Re: Cosine formula to solve a right spherical triangle?David Iwancio22 Jan, 23:54
Re: Captain Cook & celestial navigationDavid Pike22 Jan, 22:32
Re: Why Can't My GNSS Receiver See Galileo?David Pike22 Jan, 21:16
Re: Cosine formula to solve a right spherical triangle?Fred Hebard22 Jan, 16:35
Captain Cook & celestial navigationRafael C. Caruso22 Jan, 16:35
Re: Percy Lyall Hooker Davis' High Latitude TablesRobin Stuart22 Jan, 15:50
Re: No DR position. How can you get an accurate celestial fix?David Iwancio22 Jan, 09:02
Fwd: Journal of,Astronomical History and Heritage December 2019Paul Hirose22 Jan, 05:18
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan, 22:25
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, 21:11
Re: Cosine formula to solve a right spherical triangle?Alexandre Eremenko21 Jan, 20:06
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook21 Jan, 19:17
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?Bill Lionheart21 Jan, 11:43
Percy Lyall Hooker Davis' High Latitude TablesDavid C21 Jan, 05:45
Cosine formula to solve a right spherical triangle?Rajeev Yadav21 Jan, 03:27
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:52
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan, 18:29
Re: No DR position. How can you get an accurate celestial fix?Dustin Baenen20 Jan, 17:42
Re: Bausch and Lomb WWII Aircraft SextantsEd Popko20 Jan, 17:01
Re: Why Can't My GNSS Receiver See Galileo?Richard B. Langley20 Jan, 13:07
Re: Compass CheckDavid C20 Jan, 04:34
Re: Compass CheckDavid C20 Jan, 04:27
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 04:08
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 03:49
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan, 03:15
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan, 01:56
Re: No DR position. How can you get an accurate celestial fix?Ron Jones20 Jan, 00:18
Re: Why Can't My GNSS Receiver See Galileo?Ian Vaughn19 Jan, 21:43
Bausch and Lomb WWII Aircraft SextantsRobert Swartz19 Jan, 20:08
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 20:01
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?Bob Goethe19 Jan, 19:27
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 19:27
Re: Cold War Sun HoursDavid Pike19 Jan, 19:08
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan, 18:47
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan, 18:13
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?John D. Howard19 Jan, 17:47
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?Jim Rives19 Jan, 17:30
No DR position. How can you get an accurate celestial fix?Robert Goldberg19 Jan, 15:29
Mars Occultation Feb 18 2020Jim Rives19 Jan, 14:42
IPhone 10 Compass/SextantJeremy Clark19 Jan, 14:35
Lunar 17Jan20 Interpretation of ResultsJim Rives19 Jan, 13:08
Why Can't My GNSS Receiver See Galileo?Sean C19 Jan, 11:52
Re: Compass CheckJeremy C19 Jan, 10:19
Re: Compass CheckDavid C19 Jan, 08:07
Re: Compass CheckDavid C19 Jan, 07:15
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 07:03
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed19 Jan, 03:08
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan, 02:45
Compass CheckDavid C19 Jan, 02:12
Re: Hardly ever get an LOP than 20 NM - why?Nick M19 Jan, 02:03
Re: Designed for the use of British SeamanDoug MacPherson18 Jan, 23:51
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 Holden18 Jan, 23:30
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?Hewitt Schlereth18 Jan, 23:03
Designed for the use of British SeamanDavid C18 Jan, 22:06
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 M18 Jan, 17:33
Re: Hardly ever get an LOP than 20 NM - why?John D. Howard18 Jan, 16:08
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C18 Jan, 09:45
Re: RAF Air Navigation: listing on ebayBob Crawley18 Jan, 09:16
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan, 07:34
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?Laurence Holden18 Jan, 03:17
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, 03:07
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan, 02:48
Time lapse coastal voyage with stars (and he can use a sextant)Dave Walden17 Jan, 23:55
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth17 Jan, 19:58
Re: Cold War Sun HoursFrank Reed17 Jan, 19:44
Re: Some pop culture sextantsFrank Reed17 Jan, 19:34
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed17 Jan, 16:49
Re: Historic US chart & map collectionsMike Mayer17 Jan, 15:29
Re: Hardly ever get an LOP than 20 NM - why?Greg Rudzinski17 Jan, 14:38
Re: Hardly ever get an LOP than 20 NM - why?Fred Hebard17 Jan, 14:29
Re: Hardly ever get an LOP than 20 NM - why?Jim Hickey17 Jan, 14:16
Re: RAF Air Navigation: listing on ebayDavid Pike17 Jan, 14:01
Re: Hardly ever get an LOP than 20 NM - why?David Pike17 Jan, 10:31
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?Igor S.17 Jan, 08:56
Re: Hardly ever get an LOP than 20 NM - why?Tony Oz17 Jan, 08:18
Re: Hardly ever get an LOP than 20 NM - why?Alan S17 Jan, 06:11
Re: Some pop culture sextantsR William McAllister17 Jan, 04:25
Some pop culture sextantsFrank Reed17 Jan, 04:09
Hardly ever get an LOP than 20 NM - why?Laurence HOlden17 Jan, 03:42
Re: Compass direction from MoonFrank Reed17 Jan, 03:20
Historic US chart & map collectionsPaul Hirose16 Jan, 21:03
Re: Compass direction from MoonIgor S.16 Jan, 19:44
Re: Compass direction from MoonFrank Reed16 Jan, 19:05
Starlink satellites over New England tonightFrank Reed16 Jan, 18:43
Compass direction from MoonHerman Dekker16 Jan, 18:39
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Robin Stuart16 Jan, 16:19
Re: RAF Air Navigation: listing on ebayBob Crawley16 Jan, 10:27
GPS jammingGary LaPook16 Jan, 08:20
Re: Curve fitting for noon SunRafael C. Caruso16 Jan, 00:10
Re: Stellarium, refraction, HPEd Popko15 Jan, 23:47
Re: RAF Air Navigation: listing on ebayDavid Pike15 Jan, 19:36
Re: Stellarium, refraction, HPJim Rives15 Jan, 17:40
Re: Stellarium, refraction, HPEd Popko15 Jan, 13:10
Re: SpaceX Starlink launch: photo celestialDavid Pike15 Jan, 08:32
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 04:02
Re: Stellarium, refraction, HP ---- YES!Joe Suligoy15 Jan, 03:20
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 01:45
Re: Stellarium, refraction, HP ---- YES!Frank Reed15 Jan, 01:22
Re: SpaceX Starlink launch: photo celestialFrank Reed15 Jan, 01:08
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan, 00:18
Re: Stellarium, refraction, HPJim Rives15 Jan, 00:03
Re: Stellarium, refraction, HPFrank Reed14 Jan, 23:57
Re: Curve fitting for noon SunFrank Reed14 Jan, 23:42
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 22:52
Re: Yellow page in NADavid Iwancio14 Jan, 22:33
Re: Curve fitting for noon SunRafael C. Caruso14 Jan, 22:18
Re: Yellow page in NADavid C14 Jan, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 20:01
Re: Curve fitting for noon SunFrank Reed14 Jan, 19:37
Re: Stellarium, refraction, HPPaul Hirose14 Jan, 19:31
Re: Curve fitting for noon SunDave Walden14 Jan, 15:10
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan, 09:00
Re: Yellow page in NADavid Iwancio14 Jan, 06:49
Re: Stellarium, refraction, HPFrank Reed14 Jan, 03:42
Re: Stellarium, refraction, HPJim Rives14 Jan, 02:54
Re: Stellarium, refraction, HPFrank Reed14 Jan, 01:43
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan, 01:25
Re: Stellarium, refraction, HPJim Rives14 Jan, 01:00
Re: Curve fitting for noon SunHewitt Schlereth14 Jan, 00:38
Re: Yellow page in NARafael C. Caruso13 Jan, 20:58
Re: Curve fitting for noon SunRafael C. Caruso13 Jan, 20:32
Re: Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 19:27
Cold War Sun HoursR William McAllister13 Jan, 17:59
Re: Yellow page in NADavid Pike13 Jan, 17:49
Re: Yellow page in NARobert VanderPol II13 Jan, 17:46
Re: Curve fitting for noon SunIgor S.13 Jan, 17:00
Re: Air Almanac 2020 full pdf now available...Thomas Spidle13 Jan, 16:01
Re: Yellow page in NAMichael Cain13 Jan, 15:53
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:37
Yellow page in NAIgor S.13 Jan, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan, 09:07
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:45
Re: Stellarium, refraction, HPFrank Reed13 Jan, 04:23
Re: Stellarium, refraction, HPJim Rives13 Jan, 04:08
Survival at Sea, Stove by an OrcaFrank Reed13 Jan, 03:33
Re: Curve fitting for noon SunJohn D. Howard13 Jan, 01:35
Re: Stellarium, refraction, HPJim Rives13 Jan, 01:09
Re: Curve fitting for noon SunFrank Reed13 Jan, 01:00
Re: Curve fitting for noon SunBrad Morris13 Jan, 00:52
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:20
Re: Curve fitting for noon SunDavid Fleming13 Jan, 00:19
Re: Curve fitting for noon SunFrank Reed13 Jan, 00:02
Re: Curve fitting for noon SunBrad Morris12 Jan, 23:41
Re: Stellarium, refraction, HPFrank Reed12 Jan, 23:13
Curve fitting for noon SunRafael C. Caruso12 Jan, 16:33
Re: Stellarium, refraction, HPJim Rives12 Jan, 14:11
Re: SpaceX Starlink launch: photo celestialR William McAllister12 Jan, 13:37
Re: Mystery Navy DeviceGeoffrey Kolbe12 Jan, 13:18
Re: SpaceX Starlink launch: photo celestialDavid Pike12 Jan, 09:08
Re: SpaceX Starlink launch: photo celestialFrank Reed12 Jan, 02:57
Re: Reed's Lunars Calculator AnniversaryFrank Reed12 Jan, 00:50
Re: Reed's Lunars Calculator AnniversaryEd Popko12 Jan, 00:15
Re: Stellarium, refraction, HPEd Popko12 Jan, 00:09
Re: Mystery Navy DeviceLuc Van den Borre11 Jan, 23:15
Re: Reed's Lunars Calculator AnniversaryBrad Morris11 Jan, 18:56
Re: Stellarium, refraction, HPJim Rives11 Jan, 18:08
Re: Mystery Navy DeviceWilliam Edward Henry11 Jan, 18:28
Reed's Lunars Calculator AnniversaryEd Popko11 Jan, 12:46
Re: Stellarium, refraction, HPEd Popko11 Jan, 12:39
Re: SpaceX Starlink launch: photo celestialFrank Reed11 Jan, 01:22
Re: Stellarium, refraction, HPJim Rives11 Jan, 01:20
Re: Stellarium, refraction, HPJoe Suligoy10 Jan, 23:51
Re: Stellarium, refraction, HPEd Popko10 Jan, 11:23
Re: Jupiter-Saturn Conjunction: 21 Dec 2020Brad Morris10 Jan, 03:25
Jupiter-Saturn Conjunction: 21 Dec 2020Frank Reed10 Jan, 02:57
Re: Stellarium, refraction, HPFrank Reed10 Jan, 01:32
Re: Stellarium, refraction, HPJim Rives9 Jan, 23:24
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 22:35
Stellarium, refraction, HPJim Rives9 Jan, 21:25
Re: RAF Air Navigation: listing on ebayDavid Pike9 Jan, 21:59
Re: Moon’s SDJim Rives9 Jan, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 20:12
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan, 19:56
RAF Air Navigation: listing on ebayBob Crawley9 Jan, 19:27
Re: SpaceX Starlink launch: photo celestialGreg Rudzinski9 Jan, 15:23
Re: Position bias from UTCDavid Iwancio9 Jan, 11:33
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan, 10:34
Re: Position bias from UTCPaul Hirose9 Jan, 06:22
Re: SpaceX Starlink launch: photo celestialDavid Pike8 Jan, 22:34
SpaceX Starlink launch: photo celestialFrank Reed8 Jan, 20:10
Re: Moon’s SDFrank Reed8 Jan, 19:19
Re: Variation or Declination?Brad Morris8 Jan, 17:46
Captain Cook's AstronomyRobin Stuart8 Jan, 17:25
Re: Variation or Declination?Frank Reed8 Jan, 17:22
Re: Variation or Declination?Jim Rives8 Jan, 17:01
Re: Variation or Declination?David Pike8 Jan, 16:40
Re: Variation or Declination?Joe Suligoy8 Jan, 04:44
Re: Moon’s SDJim Rives8 Jan, 03:49
Re: Variation or Declination?Frank Reed8 Jan, 03:30
Variation or Declination?David C8 Jan, 03:08
Re: Position bias from UTCJohn D. Howard8 Jan, 02:52
Re: Beidou Network OperationalFrank Reed8 Jan, 00:21
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 23:59
Beidou Network OperationalDavid C7 Jan, 23:26
Re: Position bias from UTCPaul Hirose7 Jan, 21:46
Re: Moon’s SDFrank Reed7 Jan, 17:09
Re: Moon’s SDMurray Peake7 Jan, 17:09
Re: Longitude by Lunar OccultationRobin Stuart7 Jan, 17:08
Moon’s SDJim Rives7 Jan, 14:02
Re: A strange addition to a sextantRobert Eno7 Jan, 04:55
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy7 Jan, 04:01
Re: Navigating in Microsoft Flight SimulatorJim Rives7 Jan, 03:17
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan, 02:25
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 23:54
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 23:39
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 19:50
Re: Navigating in Microsoft Flight SimulatorDustin Baenen6 Jan, 19:18
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy6 Jan, 17:49
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 15:41
Re: Kollsman periscopic sextant mountKen Gebhart6 Jan, 15:36
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan, 09:21
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan, 03:14
Navigating in Microsoft Flight SimulatorFrank Reed6 Jan, 00:59
Re: Kollsman periscopic sextant mountJacob M. Huffman III6 Jan, 00:14
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 19:19
Re: A strange addition to a sextantPhilippe Posth5 Jan, 08:52
Re: Dating Hughes and Son sextantsBill Morris5 Jan, 07:13
Re: Dating Hughes and Son sextantsFred Hebard5 Jan, 05:06
Re: Dating Hughes and Son sextantsDavid Pike4 Jan, 23:07
Re: A strange addition to a sextantJackson McDonald4 Jan, 22:08
Re: A strange addition to a sextantGary LaPook4 Jan, 21:42
Re: Position bias from UTCRobin Stuart4 Jan, 21:38
Re: Dating Hughes and Son sextantsFrank Reed4 Jan, 21:28
Re: A strange addition to a sextantFrank Reed4 Jan, 21:22
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 21:12
Re: Dating Hughes and Son sextantsFred Hebard4 Jan, 21:11
Re: Position bias from UTCDavid Iwancio4 Jan, 20:51
A strange addition to a sextantGary LaPook4 Jan, 19:14
Re: Position bias from UTCFrank Reed4 Jan, 18:37
Re: Longitude by Lunar OccultationFrank Reed4 Jan, 18:09
Position bias from UTCRobin Stuart4 Jan, 16:49
Re: Longitude by Lunar OccultationRobin Stuart4 Jan, 16:01
Re: Dating Hughes and Son sextantsFrancis Upchurch4 Jan, 06:45
Re: Dating Hughes and Son sextantsSean C4 Jan, 05:45
NPR article on BetelgeuseRommel John Miller4 Jan, 01:48
Re: Dating Hughes and Son sextantsNiall Fitzpatrick3 Jan, 09:24
Re: Pilot watch slide rulesPaul Hirose3 Jan, 07:50
Re: Radium Infused Bubble SextantPaul Dolkas3 Jan, 04:36
Re: How high is "Angels One Five"?John D. Howard3 Jan, 03:25
Re: How high is "Angels One Five"?Bob Goethe3 Jan, 03:13
How high is "Angels One Five"?Tony Oz3 Jan, 02:41
Re: Pilot watch slide rulesPaul Dolkas3 Jan, 02:34
Re: Unusual SunIgor S.1 Jan, 22:30
Re: Air Almanac 2020 full pdf now available...David C1 Jan, 20:33
Re: Unusual SunDavid C1 Jan, 20:15
Re: Correcting for the movement of an observer: a plausible explanation?David Pike1 Jan, 20:03
Re: Unusual SunBill Ritchie1 Jan, 17:35
Unusual SunDavid C1 Jan, 06:53
Re: New Year's EveDavid C1 Jan, 04:06
Re: New Year's EveJohn D. Howard1 Jan, 03:42
Re: New Year's EveDavid C1 Jan, 03:11
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook1 Jan, 01:08

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