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

July, 2020

Index includes 235 messages. Sorted alphabetically by subject.

                    
"Office Hours" in two hoursFrank Reed26 Jul 2020, 20:51
A method for darkening glassIgor S.22 Jul 2020, 08:35
Re: A ramble on "new improved methods"Brian Walton1 Jul 2020, 05:26
Re: A ramble on "new improved methods"Greg Rudzinski1 Jul 2020, 12:17
Re: A ramble on "new improved methods"Brian Walton1 Jul 2020, 21:05
Re: A second Chinese sextant?Robert Goldberg19 Jul 2020, 21:54
Re: Air Almanac 2020 full pdf now available...Richard Holmes31 Jul 2020, 16:12
Amazon to launch 3000 communication satellitesDavid Pike31 Jul 2020, 19:58
Re: Amazon to launch 3000 communication satellitesJackson McDonald31 Jul 2020, 21:05
Astron relocatedBill Ritchie16 Jul 2020, 21:36
Re: Astron relocatedFrank Reed16 Jul 2020, 21:48
Backstaff washed up on the beachJosh Paterson18 Jul 2020, 04:55
Re: Backstaff washed up on the beachFrank Reed18 Jul 2020, 05:28
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul 2020, 12:41
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul 2020, 13:03
Bausch & Lomb A8-A Sextant For SaleRobert Swartz11 Jul 2020, 03:12
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook13 Jul 2020, 18:34
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S14 Jul 2020, 20:27
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Jul 2020, 16:09
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S18 Jul 2020, 16:56
Burton's Nautical TablesLars Bergman2 Jul 2020, 20:16
Re: Burton's Nautical TablesWilliam Edward Henry2 Jul 2020, 21:15
Re: Burton's Nautical TablesDavid C2 Jul 2020, 22:04
Re: Burton's Nautical TablesDavid C26 Jul 2020, 03:07
Re: C Plath sextant, missing partFrank DeWald17 Jul 2020, 18:04
Celestial Navigation Exercises and Plotting SheetsSimon T31 Jul 2020, 12:07
Re: Celestial Navigation Exercises and Plotting SheetsGreg Rudzinski31 Jul 2020, 19:53
Re: Celestial Navigation Exercises and Plotting SheetsDustin Baenen31 Jul 2020, 20:07
Re: Celestial Navigation Exercises and Plotting SheetsIgor S.31 Jul 2020, 21:49
Re: Celestial Navigation Exercises and Plotting SheetsMichael Cain31 Jul 2020, 23:34
Comet NeowiseFrank Reed12 Jul 2020, 20:37
Re: Comet NeowiseDavid Pike20 Jul 2020, 23:56
Re: Comet NeowiseGreg Rudzinski21 Jul 2020, 00:48
Re: Comet NeowiseBruce Cutting21 Jul 2020, 01:14
Re: Comet NeowiseDavid Pike21 Jul 2020, 09:03
Re: Comet NeowiseDavid Pike21 Jul 2020, 10:05
Re: Comet NeowiseGreg Rudzinski22 Jul 2020, 01:02
Dip Short DSLR Camera CN SunGreg Rudzinski19 Jul 2020, 14:36
Re: Dip Short DSLR Camera CN SunFrank Reed19 Jul 2020, 21:23
Re: Dip Short DSLR Camera CN SunDavid C20 Jul 2020, 22:26
Re: Dip Short DSLR Camera CN SunDavid C21 Jul 2020, 02:30
Re: Dip Short DSLR Camera CN SunDavid C21 Jul 2020, 03:01
Re: Dip Short DSLR Camera CN SunFrank Reed21 Jul 2020, 03:03
Essay: Navigating by the Heavens...Frank Reed21 Jul 2020, 21:35
Re: Essay: Navigating by the Heavens...Frank Reed22 Jul 2020, 17:37
Re: Essay: Navigating by the Heavens...Greg Rudzinski22 Jul 2020, 18:37
Re: Essay: Navigating by the Heavens...Andy Schell23 Jul 2020, 23:09
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul 2020, 12:34
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul 2020, 20:29
Excel AlmanacSean C28 Jul 2020, 03:33
First Surface Mirror Modification for Davis Artificial HorizonGreg Rudzinski13 Jul 2020, 00:21
Re: Harold Gatty's KamalDale Lichtblau12 Jul 2020, 13:28
Hybrid artificial horizonPeter Monta19 Jul 2020, 18:43
Re: Hybrid artificial horizonGreg Rudzinski20 Jul 2020, 02:27
Re: Hybrid artificial horizonWolfgang Hasper20 Jul 2020, 10:07
Re: Hybrid artificial horizonGary LaPook20 Jul 2020, 10:10
Re: Hybrid artificial horizonDave Walden20 Jul 2020, 11:39
Re: Hybrid artificial horizonGreg Rudzinski20 Jul 2020, 16:14
Re: Hybrid artificial horizonAlan S23 Jul 2020, 18:22
Re: Hybrid artificial horizonGreg Rudzinski23 Jul 2020, 20:37
Re: Hybrid artificial horizonAlan S23 Jul 2020, 21:17
Re: Hybrid artificial horizonPeter Monta24 Jul 2020, 19:07
Re: Hybrid artificial horizonGreg Rudzinski24 Jul 2020, 22:26
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 13:30
Re: Hybrid artificial horizonPeter Monta25 Jul 2020, 17:48
Re: Hybrid artificial horizonPeter Monta25 Jul 2020, 17:59
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 19:50
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 20:49
Re: Hybrid artificial horizonFred Hebard25 Jul 2020, 21:28
Re: Hybrid artificial horizonDavid C26 Jul 2020, 03:31
Re: Hybrid artificial horizonDavid C26 Jul 2020, 05:02
Re: Hybrid artificial horizonPeter Monta26 Jul 2020, 18:40
Re: Hybrid artificial horizonDavid C26 Jul 2020, 21:26
Re: Hybrid artificial horizonPeter Monta27 Jul 2020, 02:29
Re: Hybrid artificial horizonDavid Pike27 Jul 2020, 11:34
Re: Hybrid artificial horizonRobin Stuart28 Jul 2020, 12:55
Re: Hybrid artificial horizonPaul Dolkas29 Jul 2020, 03:24
Re: Hybrid artificial horizonRobin Stuart29 Jul 2020, 14:13
Info on Bubble SextantsRobert Swartz28 Jul 2020, 03:44
Kids and the planetsDavid Pike27 Jul 2020, 12:01
Re: Kids and the planetsDavid C27 Jul 2020, 21:19
Re: Kids and the planetsDavid C28 Jul 2020, 02:51
Re: Kids and the planetsBruce J. Pennino28 Jul 2020, 04:20
Re: Kids and the planetsDavid C28 Jul 2020, 07:27
Re: Latitude by two stars observed simultaneouslyFrank DeWald17 Jul 2020, 17:25
Longitude by Equal AltitudesRobin Stuart28 Jul 2020, 12:25
Longitude by unequal altitudes - BrentDavid C6 Jul 2020, 03:14
Re: Longitude by unequal altitudes - BrentLars Bergman6 Jul 2020, 09:42
Re: Longitude by unequal altitudes - BrentDavid C7 Jul 2020, 02:53
Re: Longitude by unequal altitudes - BrentFrank Reed7 Jul 2020, 04:30
Re: Longitude by unequal altitudes - BrentDavid C7 Jul 2020, 04:53
Re: Longitude by unequal altitudes - BrentLars Bergman7 Jul 2020, 15:08
Re: Longitude by unequal altitudes - BrentDavid C13 Jul 2020, 05:30
Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell12 Jul 2020, 03:00
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Ken Gebhart12 Jul 2020, 18:05
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Robert Swartz12 Jul 2020, 21:10
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell14 Jul 2020, 22:21
Lunar Eclipse non-eventFrank Reed4 Jul 2020, 22:27
M.F. Maury and the progress of historyFrank Reed14 Jul 2020, 06:33
Re: M.F. Maury and the progress of historyGary LaPook14 Jul 2020, 06:55
Re: M.F. Maury and the progress of historySean C14 Jul 2020, 07:47
Re: M.F. Maury and the progress of historyDale Lichtblau14 Jul 2020, 19:30
Re: M.F. Maury and the progress of historyFrancis Upchurch14 Jul 2020, 20:28
Re: M.F. Maury and the progress of historyHewitt Schlereth14 Jul 2020, 22:45
Re: M.F. Maury and the progress of historyMichael Bradley15 Jul 2020, 06:23
Re: M.F. Maury and the progress of historyBill B15 Jul 2020, 20:06
Re: M.F. Maury and the progress of historyHewitt Schlereth16 Jul 2020, 20:28
Re: M.F. Maury and the progress of historyAlan S16 Jul 2020, 22:08
Re: Making an artificial horizonAlan S25 Jul 2020, 02:54
Re: Making an artificial horizonGary LaPook25 Jul 2020, 06:12
Maskelyne and lunar distanceDucruy Jacques30 Jul 2020, 15:58
Moon Venus Camera LunarGreg Rudzinski17 Jul 2020, 12:54
Re: Moon Venus Camera LunarGreg Rudzinski17 Jul 2020, 15:28
Re: Moon Venus Camera LunarHewitt Schlereth18 Jul 2020, 18:34
Re: Moon Venus Camera LunarDoug MacPherson19 Jul 2020, 00:19
More Cocked HatsBill Lionheart18 Jul 2020, 07:59
Re: More Cocked HatsDavid Pike19 Jul 2020, 07:48
Re: More Cocked HatsSivan Toledo19 Jul 2020, 08:42
Re: More Cocked HatsBill Lionheart19 Jul 2020, 09:58
Re: More Cocked HatsGeorge Kaplan25 Jul 2020, 20:31
Navigator's Slide RuleMurray Felstead10 Jul 2020, 05:47
Re: Navigator's Slide RuleSean Johnston11 Jul 2020, 14:52
Re: Navigator's Slide RuleBob Goethe11 Jul 2020, 15:49
Re: Navigator's Slide RuleAlan S12 Jul 2020, 04:07
Re: Navigator's Slide RuleAlberto Najar12 Jul 2020, 10:10
Re: Navigator's Slide RuleHahns Burg12 Jul 2020, 13:19
Re: Navigator's Slide RuleJohn Carbone12 Jul 2020, 16:11
Re: Navigator's Slide RuleBruce Cutting12 Jul 2020, 16:36
Re: Navigator's Slide RuleAlan S12 Jul 2020, 16:58
Re: Navigator's Slide RuleBob Goethe12 Jul 2020, 19:44
Re: Navigator's Slide RuleAlan S12 Jul 2020, 22:17
Re: Navigator's Slide RuleDoug Faunt13 Jul 2020, 02:59
Re: Navigator's Slide RuleBill Ritchie13 Jul 2020, 08:32
Re: Navigator's Slide RuleBob Peterson13 Jul 2020, 13:50
Re: Navigator's Slide RuleBob Goethe13 Jul 2020, 16:26
Re: Navigator's Slide RuleBob Goethe13 Jul 2020, 16:28
Re: Navigator's Slide RuleFrank Reed14 Jul 2020, 03:38
Re: Navigator's Slide RuleSean Johnston18 Jul 2020, 14:50
Re: NavList HamsDale Lichtblau12 Jul 2020, 13:41
Re: NavList HamsDoug Faunt12 Jul 2020, 23:54
Re: NavList HamsDale Lichtblau14 Jul 2020, 18:48
Re: NavList HamsDoug Faunt14 Jul 2020, 20:51
Re: NavList HamsEd Popko17 Jul 2020, 11:00
Re: NavList HamsGary LaPook17 Jul 2020, 17:46
NavList Hams: Longitude by WireDale Lichtblau21 Jul 2020, 01:18
Oblate or Prolate...?Dale Lichtblau20 Jul 2020, 20:04
Re: Oblate or Prolate...?Dale Lichtblau28 Jul 2020, 20:45
One of Hewitt Schlereth's books just got plugged on YouTube.Robert VanderPol II25 Jul 2020, 03:17
Re: One of Hewitt Schlereth's books just got plugged on YouTube.Hewitt Schlereth26 Jul 2020, 19:57
Online "Office Hours" in one hourFrank Reed19 Jul 2020, 22:02
Online Meetings SundayFrank Reed3 Jul 2020, 03:12
Re: Online Meetings SundayFrank Reed4 Jul 2020, 23:41
Re: Online Meetings SundayDavid C5 Jul 2020, 04:02
Re: Online Meetings SundaySean C5 Jul 2020, 04:49
Re: Online Meetings SundayFrank Reed5 Jul 2020, 04:50
Re: Online Meetings SundayFrank Reed5 Jul 2020, 20:25
Re: Online Meetings SundayDavid Pike5 Jul 2020, 20:56
Re: Online Meetings SundayFrank Reed6 Jul 2020, 01:49
Re: Online Meetings SundayDoug Faunt6 Jul 2020, 02:44
Re: Online Meetings SundayDavid C6 Jul 2020, 03:20
Re: Online Meetings SundayDavid Pike8 Jul 2020, 21:00
Re: Online Meetings SundayFrank Reed11 Jul 2020, 17:00
Online WorkshopsFrank Reed21 Jul 2020, 21:34
Plot Sheet GeneratorJames F Campbell9 Jul 2020, 18:08
Re: Plot Sheet GeneratorSean C9 Jul 2020, 22:08
Re: Plot Sheet GeneratorDale Lichtblau10 Jul 2020, 21:29
Re: Plot Sheet GeneratorEd Popko17 Jul 2020, 10:45
Re: Plot Sheet GeneratorJames F Campbell17 Jul 2020, 19:14
Re: Plot Sheet GeneratorAndr├ęs Ruiz20 Jul 2020, 13:38
Plotting sheetsThomas J. Murphy30 Jul 2020, 00:58
Re: Plotting sheetsGreg Rudzinski30 Jul 2020, 21:44
RAF O6a CompassDavid Pike17 Jul 2020, 12:01
Re: RAF O6a CompassPeter Smith18 Jul 2020, 14:22
Re: RAF O6a CompassWilliam Edward Henry18 Jul 2020, 16:12
Re: RAF O6a CompassDavid Pike18 Jul 2020, 20:49
Re: RAF O6a CompassDavid Pike18 Jul 2020, 21:21
Sextant practice on the space stationFrank Reed19 Jul 2020, 00:40
Re: Sextant practice on the space stationSean C19 Jul 2020, 04:30
Re: Sextant practice on the space stationFrank Reed19 Jul 2020, 06:13
Re: Sextant practice on the space stationTibor Miseta19 Jul 2020, 12:02
Slide Rule Emulators relocatedBill Ritchie16 Jul 2020, 21:20
Re: Slide Rule Emulators relocatedGary LaPook17 Jul 2020, 17:44
Spare parts for Mark IX sextantDean Tetley12 Jul 2020, 07:01
Re: Spare parts for Mark IX sextantHewitt Schlereth12 Jul 2020, 23:54
Sun over Abu SimbelFrank Reed9 Jul 2020, 14:59
Re: Sun over Abu SimbelDale Lichtblau12 Jul 2020, 13:58
The History of Celestial Navigation (2020)Igor S.27 Jul 2020, 09:14
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul 2020, 00:32
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul 2020, 07:24
Re: The History of Celestial Navigation (2020)Geoffrey Kolbe28 Jul 2020, 08:27
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul 2020, 15:52
Re: The History of Celestial Navigation (2020)James F Campbell28 Jul 2020, 19:41
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul 2020, 20:48
Re: The History of Celestial Navigation (2020)Bill Lionheart29 Jul 2020, 12:16
Re: The History of Celestial Navigation (2020)Richard B. Langley29 Jul 2020, 13:37
Re: The History of Celestial Navigation (2020)George Kaplan30 Jul 2020, 02:08
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul 2020, 06:47
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul 2020, 06:59
Re: The History of Celestial Navigation (2020)George Kaplan31 Jul 2020, 00:42
Re: The History of Celestial Navigation (2020)David C31 Jul 2020, 05:46
Timex Iron Man Watch=kaputBruce J. Pennino1 Jul 2020, 22:08
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 14:49
Re: Timex Iron Man Watch=kaputLu Abel2 Jul 2020, 15:43
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 15:44
Re: Timex Iron Man Watch=kaputAlan S2 Jul 2020, 17:16
Re: Timex Iron Man Watch=kaputLu Abel2 Jul 2020, 19:38
Re: Timex Iron Man Watch=kaputRobert VanderPol II2 Jul 2020, 22:12
Re: Timex Iron Man Watch=kaputAlan S2 Jul 2020, 22:51
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 23:25
Re: Timex Iron Man Watch=kaputLu Abel3 Jul 2020, 03:06
Re: Timex Iron Man Watch=kaputBill Lionheart3 Jul 2020, 08:46
Re: Timex Iron Man Watch=kaputDoug Faunt3 Jul 2020, 19:57
Re: Timex Iron Man Watch=kaputAlan S4 Jul 2020, 02:47
Re: Timex Iron Man Watch=kaputCharles McElhill4 Jul 2020, 13:11
Trouble solving for spherical triangleHahns Burg11 Jul 2020, 23:36
Re: Trouble solving for spherical triangleFrank Reed12 Jul 2020, 03:43
Re: Trouble solving for spherical triangleHahns Burg12 Jul 2020, 12:21
Venus in daylight this monthFrank Reed2 Jul 2020, 22:50
Re: Venus in daylight this monthDavid C13 Jul 2020, 19:11
Re: Venus in daylight this monthDavid Pike14 Jul 2020, 07:49
Re: Venus in daylight this monthGreg Rudzinski14 Jul 2020, 12:45
Re: Venus in daylight this monthFrank Reed14 Jul 2020, 16:30
Re: Venus in daylight this monthGreg Rudzinski14 Jul 2020, 17:07
Re: Venus in daylight this monthDavid Pike14 Jul 2020, 18:29
Re: Venus in daylight this monthDavid C15 Jul 2020, 04:56
Re: Venus in daylight this monthDavid C15 Jul 2020, 05:14
Re: Venus in daylight this monthFrank Reed15 Jul 2020, 07:32
Re: Venus in daylight this monthDoug Faunt15 Jul 2020, 18:34
Re: Venus in daylight this monthDavid C15 Jul 2020, 21:15
Re: Venus in daylight this monthDustin Baenen15 Jul 2020, 21:44
Re: Venus in daylight this monthRafael C. Caruso16 Jul 2020, 23:45
Venus in daylight this weekFrank Reed27 Jul 2020, 04:18
Re: Venus in daylight this weekDavid C27 Jul 2020, 06:10
Re: Venus in daylight this weekDavid C27 Jul 2020, 20:16
WEBINAR: Demystifying Contact Tracing AppsDavid Pike17 Jul 2020, 13:36

Index includes 235 messages.

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