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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 2839 messages. Sorted by message ID, in descending order.

                    
Re: Christmas week QuizzesDon Seltzer31 Dec 2020, 15:42
Re: Christmas week QuizzesDavid Pike31 Dec 2020, 10:54
Re: Sides of the Navigational Triangle - Naming Conventions?David Pike31 Dec 2020, 10:23
Re: Sides of the Navigational Triangle - Naming Conventions?David Iwancio31 Dec 2020, 01:25
Sides of the Navigational Triangle - Naming Conventions?Bob Goethe30 Dec 2020, 22:41
Re: MK2A periscope sextantK McGrath30 Dec 2020, 14:18
Re: Christmas week QuizzesDavid Pike30 Dec 2020, 10:05
Re: Obscure Nautical Almanac starFrank Reed30 Dec 2020, 01:02
Re: Help Please - paper by Griffiths? on all haversine methodsMichael Bradley29 Dec 2020, 21:54
Re: Obscure Nautical Almanac starJohn Clements29 Dec 2020, 21:01
Re: Obscure Nautical Almanac starRobert H. van Gent29 Dec 2020, 16:55
Re: Obscure Nautical Almanac starFrank Reed29 Dec 2020, 16:27
Re: Help Please - paper by Griffiths? on all haversine methodsDave Walden29 Dec 2020, 15:29
Re: Christmas week QuizzesDavid Pike29 Dec 2020, 12:42
Re: Christmas week QuizzesDavid Pike29 Dec 2020, 12:25
Re: Christmas week QuizzesModris Fersters29 Dec 2020, 11:56
Re: Obscure Nautical Almanac starRobert H. van Gent29 Dec 2020, 11:44
Re: Two years after Galileo: an English telescope in JapanFred Hebard29 Dec 2020, 06:09
Re: Two years after Galileo: an English telescope in JapanDavid Fleming28 Dec 2020, 22:23
Re: Christmas week QuizzesGreg Rudzinski28 Dec 2020, 21:22
Re: Two years after Galileo: an English telescope in JapanFred Hebard28 Dec 2020, 21:02
Re: Two years after Galileo: an English telescope in JapanFred Hebard28 Dec 2020, 20:52
Re: Two years after Galileo: an English telescope in JapanDavid Fleming28 Dec 2020, 19:38
Re: Two years after Galileo: an English telescope in JapanChristopher Willmes28 Dec 2020, 18:14
Re: More sunlight in Greenland than in the AmazonFrank Reed28 Dec 2020, 18:13
Re: Obscure Nautical Almanac starFrank Reed28 Dec 2020, 18:13
Re: Two years after Galileo: an English telescope in JapanChristopher Willmes28 Dec 2020, 18:10
Re: Obscure Nautical Almanac starFrank Reed28 Dec 2020, 17:59
Re: Two years after Galileo: an English telescope in JapanFred Hebard28 Dec 2020, 17:48
Re: Obscure Nautical Almanac starRobert H. van Gent28 Dec 2020, 17:36
Two years after Galileo: an English telescope in JapanFrank Reed28 Dec 2020, 17:02
Re: Christmas week QuizzesJim Vrancik28 Dec 2020, 14:47
Re: Christmas week QuizzesDavid Pike28 Dec 2020, 11:39
Re: Christmas week QuizzesMike Burkes28 Dec 2020, 02:18
Obscure Nautical Almanac starFrank Reed27 Dec 2020, 22:44
Re: Online meetings, Office Hours, Christmas & New Years DayFrank Reed27 Dec 2020, 20:08
Sailing to CapeTown from the Falklands in winter - July-August 2020John Carbone27 Dec 2020, 19:53
Re: Sunderlands and marine sextantsDavid Pike27 Dec 2020, 18:51
Re: Sunderlands and marine sextantsDavid Pike27 Dec 2020, 18:35
Re: Christmas week QuizzesDavid Pike27 Dec 2020, 17:57
Re: More sunlight in Greenland than in the AmazonAdrian F27 Dec 2020, 17:44
Re: Christmas week QuizzesDavid Pike27 Dec 2020, 17:43
Re: International star name pronunciationsTom McCreary27 Dec 2020, 17:24
Re: Christmas week QuizzesModris Fersters27 Dec 2020, 17:14
Re: Christmas week QuizzesGreg Rudzinski27 Dec 2020, 15:16
Re: Bygrave Equations with a CalculatorÖrjan Sandström27 Dec 2020, 12:30
Re: Christmas week QuizzesDavid Pike27 Dec 2020, 12:12
Re: Help Please - paper by Griffiths? on all haversine methodsMichael Bradley27 Dec 2020, 10:36
Re: Bygrave Equations with a CalculatorFrank Reed27 Dec 2020, 03:22
Re: Jupiter-Moon Lunar from a photoFrank Reed27 Dec 2020, 03:10
Re: Christmas week QuizzesHerman Dekker26 Dec 2020, 21:32
Re: More sunlight in Greenland than in the AmazonDavid Pike26 Dec 2020, 19:03
International star name pronunciationsFrank Reed26 Dec 2020, 18:04
Re: More sunlight in Greenland than in the AmazonFrank Reed26 Dec 2020, 16:40
Re: Christmas week QuizzesGreg Rudzinski26 Dec 2020, 16:40
Re: More sunlight in Greenland than in the AmazonDavid Pike26 Dec 2020, 15:23
Re: Christmas week QuizzesJim Vrancik26 Dec 2020, 14:23
Re: Help Please - paper by Griffiths? on all haversine methodsGreg Rudzinski26 Dec 2020, 13:48
Re: More sunlight in Greenland than in the AmazonAdrian F26 Dec 2020, 12:23
Christmas week QuizzesDavid Pike26 Dec 2020, 10:35
Help Please - paper by Griffiths? on all haversine methodsMichael Bradley26 Dec 2020, 09:20
Re: Bygrave Equations with a CalculatorDavid C26 Dec 2020, 07:35
Re: Bygrave Equations with a CalculatorFrank Reed26 Dec 2020, 04:25
Re: Bygrave Equations with a CalculatorDavid C26 Dec 2020, 03:17
Re: MK2A periscope sextantDavid Pike25 Dec 2020, 21:45
Re: More sunlight in Greenland than in the AmazonDavid Pike25 Dec 2020, 19:44
Re: Jupiter-Moon Lunar from a photoModris Fersters25 Dec 2020, 19:07
Re: Bygrave Equations with a CalculatorFrank Reed25 Dec 2020, 15:52
Re: MK2A periscope sextantK McGrath25 Dec 2020, 15:12
Bygrave Equations with a CalculatorBob Goethe25 Dec 2020, 14:59
Re: Different (?) vernierNoell Wilson25 Dec 2020, 12:50
Re: More sunlight in Greenland than in the AmazonSean C25 Dec 2020, 08:45
Re: More sunlight in Greenland than in the AmazonFrank Reed25 Dec 2020, 04:53
Re: Latitude by two star altitudes using 19.century BowditchFrank Reed24 Dec 2020, 22:48
Re: MK2A periscope sextantDavid Pike24 Dec 2020, 21:50
Re: Flight 19 lost, 75 years ago todayGary LaPook24 Dec 2020, 18:55
Re: Jupiter-Moon Lunar from a photoMehmet Guzey24 Dec 2020, 18:52
Re: Flight 19 lost, 75 years ago todayJohn Matter24 Dec 2020, 18:01
Online meetings, Office Hours, Christmas & New Years DayFrank Reed24 Dec 2020, 17:43
Re: Jupiter-Moon Lunar from a photoFrank Reed24 Dec 2020, 15:46
Re: More sunlight in Greenland than in the AmazonNick M24 Dec 2020, 14:21
Re: Jupiter-Moon Lunar from a photoModris Fersters24 Dec 2020, 10:15
Re: Sunderlands and marine sextantsDavid Pike24 Dec 2020, 09:39
Re: More sunlight in Greenland than in the AmazonSean C24 Dec 2020, 06:35
Re: MK2A periscope sextantK McGrath23 Dec 2020, 23:35
Re: Sunderlands and marine sextantsDavid Pike23 Dec 2020, 21:08
Re: MK2A periscope sextantDavid Pike23 Dec 2020, 20:55
Re: Jupiter-Moon Lunar from a photoMehmet Guzey23 Dec 2020, 19:57
Re: Jupiter-Moon Lunar from a photoFrank Reed23 Dec 2020, 19:35
Re: Jupiter-Moon Lunar from a photoMehmet Guzey23 Dec 2020, 19:10
Re: Sunderlands and marine sextantsMaarten F23 Dec 2020, 18:43
Re: MK2A periscope sextantK McGrath23 Dec 2020, 18:33
Re: More sunlight in Greenland than in the AmazonDavid Pike23 Dec 2020, 16:55
Re: The Great ConjunctionFrank Reed23 Dec 2020, 15:31
More sunlight in Greenland than in the AmazonFrank Reed23 Dec 2020, 15:05
Re: MK2A periscope sextantDavid Pike23 Dec 2020, 12:29
Re: MK2A periscope sextantDavid Pike23 Dec 2020, 11:16
Re: MK2A periscope sextantGary LaPook23 Dec 2020, 03:49
Re: The Great ConjunctionPeter Hakel23 Dec 2020, 00:32
Re: The Great ConjunctionMurray Buckman22 Dec 2020, 23:51
MK2A periscope sextantK McGrath22 Dec 2020, 22:27
Re: The Great ConjunctionMichael Cain22 Dec 2020, 20:05
Re: Different (?) vernierMarty Lyons22 Dec 2020, 17:07
Re: Different (?) vernierMarty Lyons22 Dec 2020, 17:01
Fwd: Christmas StarRommel John Miller21 Dec 2020, 23:54
Re: The Great ConjunctionGreg Rudzinski21 Dec 2020, 23:52
Re: Zenith distance and Ho question.Robert Goldberg21 Dec 2020, 21:32
The Great ConjunctionDavid C21 Dec 2020, 21:21
Re: Jupiter-Moon Lunar from a photoGreg Rudzinski21 Dec 2020, 04:30
Re: Jupiter-Moon Lunar from a photoFrank Reed20 Dec 2020, 21:46
Re: Jupiter-Moon Lunar from a photoModris Fersters20 Dec 2020, 21:01
Re: Saturn and Jupiter: one degree separationFrank Reed20 Dec 2020, 18:35
Re: Different (?) vernierDavid Pike20 Dec 2020, 17:58
Re: Zenith distance and Ho question.David Pike20 Dec 2020, 17:43
Re: Jupiter-Moon Lunar from a photoModris Fersters20 Dec 2020, 17:14
Re: Different (?) vernierNoell Wilson20 Dec 2020, 13:10
Re: Zenith distance and Ho question.Frank Reed20 Dec 2020, 06:17
Re: Zenith distance and Ho question.John Clements20 Dec 2020, 03:58
Re: Zenith distance and Ho question.Robert Goldberg20 Dec 2020, 00:56
Re: Zenith distance and Ho question.Frank Reed19 Dec 2020, 23:52
Re: Zenith distance and Ho question.Robert Goldberg19 Dec 2020, 21:43
Re: Jupiter-Moon Lunar from a photoGreg Rudzinski19 Dec 2020, 19:21
Re: Zenith distance and Ho question.Frank Reed19 Dec 2020, 18:23
Re: Jupiter-Moon Lunar from a photoGreg Rudzinski19 Dec 2020, 15:08
Zenith distance and Ho question.Robert Goldberg19 Dec 2020, 14:00
Re: Jupiter-Moon Lunar from a photoFrank Reed19 Dec 2020, 04:28
Jupiter-Moon Lunar from a photoFrank Reed19 Dec 2020, 04:13
GPS outagesGary LaPook18 Dec 2020, 23:47
Re: Different (?) vernierDavid Pike18 Dec 2020, 19:37
Re: Different (?) vernierDavid Pike18 Dec 2020, 18:16
Fwd: Why GPS Doesn't WorkTom Sult18 Dec 2020, 15:06
Different (?) vernierNoell Wilson18 Dec 2020, 13:02
Re: V correction and the sunDavid Iwancio18 Dec 2020, 03:53
Re: 2021 Air Almanac pdfDavid Pike17 Dec 2020, 21:43
Re: 2021 Air Almanac pdfHerman Dekker17 Dec 2020, 21:14
2021 Air Almanac pdfFrank Reed17 Dec 2020, 20:21
Re: V correction and the sunBob Goethe16 Dec 2020, 06:18
Re: V correction and the sunNick M16 Dec 2020, 00:38
V correction and the sunBob Goethe15 Dec 2020, 23:14
Re: Today's online discussionGary LaPook14 Dec 2020, 21:50
Re: Today's online discussionGary LaPook14 Dec 2020, 21:46
Re: Smith's Mk2T (twilight) Periscopic SextantGary LaPook14 Dec 2020, 20:57
Smith's Mk2T (twilight) Periscopic SextantDavid Pike14 Dec 2020, 17:12
Today's online discussionGary LaPook14 Dec 2020, 06:37
Latitude by two star altitudes using 19.century BowditchModris Fersters14 Dec 2020, 02:48
Re: Saturn and Jupiter: one degree separationGreg Rudzinski14 Dec 2020, 00:37
More RIN Free WebinarsDavid Pike14 Dec 2020, 00:25
Navigation Spreadsheets in 2021Peter Hakel13 Dec 2020, 19:44
Re: Sextant RepairsPatrick Pont13 Dec 2020, 13:05
Latitude by Regor : 1.5 degrees meridian altitudeFrank Reed13 Dec 2020, 03:15
Re: New Scientist: GPS mystery is making ships appear to teleport and move in circlesPaul Saffo13 Dec 2020, 03:14
Re: Online "Office Hours", Sunday 6m EST / 3pm PST (2300 UT)Frank Reed13 Dec 2020, 02:27
Re: New Scientist: GPS mystery is making ships appear to teleport and move in circlesDoug Faunt13 Dec 2020, 01:29
Re: New Scientist: GPS mystery is making ships appear to teleport and move in circlesFrank Reed13 Dec 2020, 00:01
Re: Saturn and Jupiter: one degree separationGreg Rudzinski12 Dec 2020, 23:49
New Scientist: GPS mystery is making ships appear to teleport and move in circlesPaul Saffo12 Dec 2020, 22:48
Re: Saturn and Jupiter: one degree separationDavid C12 Dec 2020, 21:53
Re: Davis sextant plasticDavid Pike12 Dec 2020, 20:33
Re: Davis sextant plasticGreg Rudzinski12 Dec 2020, 17:42
Re: Davis sextant plasticBill Lionheart12 Dec 2020, 14:39
Re: Davis sextant plasticBill Lionheart12 Dec 2020, 14:37
Re: Beta Cap -- the tenth lunars starDavid C12 Dec 2020, 05:13
Re: Saturn and Jupiter: one degree separationFrank Reed12 Dec 2020, 02:52
Re: Saturn and Jupiter: one degree separationPaul Saffo12 Dec 2020, 01:55
Re: Davis sextant plasticKen Gebhart11 Dec 2020, 19:24
Re: Davis sextant plasticGreg Rudzinski11 Dec 2020, 19:09
Davis sextant plasticPhilippe Posth11 Dec 2020, 18:16
Saturn and Jupiter: one degree separationFrank Reed10 Dec 2020, 23:13
200mm Lens Calibration Using DoublerGreg Rudzinski9 Dec 2020, 22:37
Re: Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool,David Pike9 Dec 2020, 13:01
Re: Polar distance of PolarisGary LaPook9 Dec 2020, 08:47
Re: Polar distance of PolarisHerman Dekker8 Dec 2020, 02:41
Re: Polar distance of PolarisGary LaPook8 Dec 2020, 01:18
Polar distance of PolarisBob Goethe7 Dec 2020, 23:14
Re: Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool,Bill Morris7 Dec 2020, 21:30
Re: Big Dipper and calculator historyPaul Saffo7 Dec 2020, 20:05
Re: Poor BecruxAl Stewart7 Dec 2020, 16:25
Re: Butterfly Bris PrototypeGreg Rudzinski7 Dec 2020, 13:35
Re: Poor BecruxDavid Pike7 Dec 2020, 12:15
Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool,David Pike7 Dec 2020, 09:41
Re: Polaris LunarsDavid Iwancio7 Dec 2020, 08:52
Re: Poor BecruxDavid C7 Dec 2020, 07:53
Poor BecruxFrank Reed7 Dec 2020, 04:52
Re: Latitude by Alnair : two degrees meridian altitudeFrank Reed7 Dec 2020, 03:56
Re: Butterfly Bris PrototypePatrick Pont6 Dec 2020, 22:06
Re: C. 1900 mercury AHDavid Pike6 Dec 2020, 21:41
Online "Office Hours", 3pm Pacific Time (2300 UT)Frank Reed6 Dec 2020, 20:02
Re: C. 1900 mercury AHFrank Reed6 Dec 2020, 20:00
Re: Latitude by Alnair : two degrees meridian altitudeMike Burkes6 Dec 2020, 19:08
Re: Big Dipper and calculator historyGreg Rudzinski6 Dec 2020, 13:15
Re: C. 1900 mercury AHNoell Wilson6 Dec 2020, 12:39
Re: Big Dipper and calculator historyPaul Saffo6 Dec 2020, 11:28
Re: Big Dipper and calculator historyPaul Saffo6 Dec 2020, 04:47
Big Dipper and calculator historyPaul Saffo6 Dec 2020, 02:42
Re: C. 1900 mercury AHDavid Pike5 Dec 2020, 21:29
Re: C. 1900 mercury AHDavid Pike5 Dec 2020, 21:13
Flight 19 lost, 75 years ago todayFrank Reed5 Dec 2020, 18:43
Navigation stars over Australia this morningFrank Reed5 Dec 2020, 18:14
C. 1900 mercury AHNoell Wilson5 Dec 2020, 14:28
Re: Polaris LunarsFrank Reed5 Dec 2020, 04:21
Re: Polaris LunarsDavid Iwancio5 Dec 2020, 03:41
Re: Low Altitude Sun Artificial Horizon ExerciseBill Ritchie4 Dec 2020, 23:21
Re: Upcoming Royal Institute of Navigation Free WebinarsDavid Pike4 Dec 2020, 19:07
Office Hours, online video meeting today (45 minutes from now)Frank Reed4 Dec 2020, 16:17
Polaris LunarsFrank Reed4 Dec 2020, 16:11
Re: British Air NavigationDavid Pike4 Dec 2020, 10:44
Re: 1st type Hand held Bagnold Sun CompassDavid Pike3 Dec 2020, 22:20
Re: Low Altitude Sun Artificial Horizon ExerciseRichard MacCormac3 Dec 2020, 21:01
Re: Money from celestial appsFrank Reed3 Dec 2020, 20:59
Money from celestial appsFrank Reed3 Dec 2020, 20:28
Re: Low Altitude Sun Artificial Horizon ExerciseGreg Rudzinski3 Dec 2020, 19:11
Re: Low Altitude Sun Artificial Horizon ExerciseGreg Rudzinski3 Dec 2020, 19:02
Re: Incomplete Instrument-- WWII German SoldsextantWerner Luehmann3 Dec 2020, 18:38
Re: Arecibo - GoneRobin Stuart3 Dec 2020, 13:34
Re: Low Altitude Sun Artificial Horizon ExerciseRichard MacCormac3 Dec 2020, 11:59
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison2 Dec 2020, 12:34
Re: Latitude by Alnair : two degrees meridian altitudeFrank Reed2 Dec 2020, 04:02
Re: Latitude by Alnair : two degrees meridian altitudeJohn Clements2 Dec 2020, 03:49
Re: Latitude by Alnair : two degrees meridian altitudeFrank Reed2 Dec 2020, 03:44
Re: Latitude by Alnair : two degrees meridian altitudePeter Hakel1 Dec 2020, 23:52
Re: Arecibo - GoneAlexandre Eremenko1 Dec 2020, 20:23
Re: Latitude by Alnair : two degrees meridian altitudeDavid C1 Dec 2020, 20:21
Re: Arecibo - GoneJames F. Campbell1 Dec 2020, 19:24
Re: Latitude by Alnair : two degrees meridian altitudeFrank Reed1 Dec 2020, 18:30
Re: Small craft RDF in 1967Doug Faunt1 Dec 2020, 18:25
Arecibo - GoneFrank Reed1 Dec 2020, 18:25
Re: Latitude by Alnair : two degrees meridian altitudeD Maracle1 Dec 2020, 16:58
Re: Small craft RDF in 1967Bill Lionheart1 Dec 2020, 16:41
Re: Small craft RDF in 1967Bruce Cutting1 Dec 2020, 16:36
Re: Latitude by Alnair : two degrees meridian altitudeGeorge Kaplan1 Dec 2020, 14:39
Re: Small craft RDF in 1967Francis Upchurch1 Dec 2020, 13:29
Re: Incomplete Instrument-- WWII German SoldsextantWolfgang Hasper1 Dec 2020, 12:38
Re: Latitude by Alnair : two degrees meridian altitudeFrank Reed1 Dec 2020, 02:44
Re: Latitude by Alnair : two degrees meridian altitudeBob Goethe1 Dec 2020, 02:35
Re: Low Altitude Sun Artificial Horizon ExerciseGreg Rudzinski1 Dec 2020, 00:50
Re: F tables - "F-Tafel"Jerry Mason1 Dec 2020, 00:36
Re: Low Altitude Sun Artificial Horizon ExerciseBill Ritchie30 Nov 2020, 23:03
Re: Incomplete Instrument-- WWII German SoldsextantBruce Cutting30 Nov 2020, 22:06
Re: Incomplete Instrument-- WWII German SoldsextantBill Morris30 Nov 2020, 21:52
Re: Incomplete Instrument-- WWII German SoldsextantDavid Pike30 Nov 2020, 20:30
Re: Small craft RDF in 1967Casey Michael30 Nov 2020, 19:46
Latitude by Alnair : two degrees meridian altitudeFrank Reed30 Nov 2020, 19:36
Re: 1st type Hand held Bagnold Sun CompassDavid Pike30 Nov 2020, 13:55
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison30 Nov 2020, 02:45
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison30 Nov 2020, 01:51
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison30 Nov 2020, 01:49
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison30 Nov 2020, 01:46
Testing 1960s Air Nav EquipmentSean C30 Nov 2020, 01:18
Re: Incomplete Instrument-- WWII German SoldsextantBruce Cutting29 Nov 2020, 22:39
Incomplete Instrument-- WWII German SoldsextantRobert Swartz29 Nov 2020, 22:08
Low Altitude Sun Artificial Horizon ExerciseGreg Rudzinski29 Nov 2020, 16:50
Re: 1st type Hand held Bagnold Sun CompassDavid Pike29 Nov 2020, 12:55
Re: 1st type Hand held Bagnold Sun CompassGeoffrey Kolbe29 Nov 2020, 06:09
Re: 1st type Hand held Bagnold Sun CompassChris Post29 Nov 2020, 03:41
Re: 1st type Hand held Bagnold Sun CompassHerman Dekker29 Nov 2020, 02:21
Re: 1st type Hand held Bagnold Sun CompassDavid Harrison28 Nov 2020, 22:56
Re: Planetary CorrectionsDavid Iwancio28 Nov 2020, 20:53
Re: 1st type Hand held Bagnold Sun CompassGeoffrey Kolbe28 Nov 2020, 19:13
British Air NavigationFrank Reed28 Nov 2020, 19:07
Re: Planetary CorrectionsFrank Reed28 Nov 2020, 17:40
Planetary CorrectionsBob Goethe28 Nov 2020, 16:49
GPS and measurement of Mount EverestGary LaPook28 Nov 2020, 06:42
Re: Mars N.L. Lunar by DSLR 35mm lensGreg Rudzinski28 Nov 2020, 02:10
1st type Hand held Bagnold Sun CompassDavid Harrison28 Nov 2020, 01:10
Re: Index Error - Comparison to SD per Nautical AlmanacJim Rives27 Nov 2020, 15:31
Re: Mars N.L. Lunar by DSLR 35mm lensDave Walden27 Nov 2020, 12:32
Celestial Navigation online chat Friday, SundayFrank Reed27 Nov 2020, 05:59
Mars N.L. Lunar by DSLR 35mm lensGreg Rudzinski27 Nov 2020, 02:32
Happy Thanksgiving to the NavList CommunityFrank Reed26 Nov 2020, 19:18
Re: Index Error - Comparison to SD per Nautical AlmanacModris Fersters26 Nov 2020, 19:06
Re: Index Error - Comparison to SD per Nautical AlmanacJim Rives26 Nov 2020, 13:53
Re: Index Error - Comparison to SD per Nautical AlmanacJim Rives26 Nov 2020, 13:48
Re: Index Error - Comparison to SD per Nautical AlmanacJim Rives26 Nov 2020, 13:40
Re: South Pole CelestialDavid Pike26 Nov 2020, 08:03
Re: Index Error - Comparison to SD per Nautical AlmanacFrank Reed26 Nov 2020, 06:09
Re: Index Error - Comparison to SD per Nautical AlmanacLars Bergman25 Nov 2020, 22:04
Re: South Pole CelestialLars Bergman25 Nov 2020, 21:19
Re: Index Error - Comparison to SD per Nautical AlmanacModris Fersters25 Nov 2020, 20:39
Re: South Pole CelestialDavid C25 Nov 2020, 20:16
Re: I'm forever blowing (sextant) bubblesGeoffrey Kolbe25 Nov 2020, 19:12
Re: South Pole CelestialDavid Pike25 Nov 2020, 18:47
Re: South Pole CelestialDavid Pike25 Nov 2020, 19:04
Re: I'm forever blowing (sextant) bubblesDavid Pike25 Nov 2020, 18:37
Re: I'm forever blowing (sextant) bubblesEd Popko25 Nov 2020, 17:40
Re: I'm forever blowing (sextant) bubblesPaul Dolkas25 Nov 2020, 17:38
Re: South Pole CelestialGreg Rudzinski25 Nov 2020, 17:18
South Pole CelestialDavid Pike25 Nov 2020, 16:45
Re: I'm forever blowing (sextant) bubblesDavid Pike25 Nov 2020, 14:05
Re: I'm forever blowing (sextant) bubblesPaul Dolkas25 Nov 2020, 03:27
Re: I'm forever blowing (sextant) bubblesDavid C25 Nov 2020, 02:32
Re: Index Error - Comparison to SD per Nautical AlmanacJim Rives24 Nov 2020, 20:37
I'm forever blowing (sextant) bubblesDavid Pike24 Nov 2020, 17:34
Upcoming Royal Institute of Navigation Free WebinarsDavid Pike24 Nov 2020, 10:55
Re: Index Error - Comparison to SD per Nautical AlmanacLars Bergman23 Nov 2020, 14:54
Index Error - Comparison to SD per Nautical AlmanacJim Rives23 Nov 2020, 14:01
Re: Curious star chartsDavid Pike22 Nov 2020, 20:14
Re: Online meeting: 1800 EST / 2300 UTFrank Reed22 Nov 2020, 15:24
Re: Edward J WillisFrank Reed22 Nov 2020, 15:20
Re: Curious star chartsEd Popko21 Nov 2020, 14:02
Re: Curious star chartsAlexander Duytschaever20 Nov 2020, 15:37
Online meeting: 1200 EST / 1700 UTFrank Reed20 Nov 2020, 15:24
Re: Curious star chartsPeter Monta19 Nov 2020, 17:53
Free Online Webinar - From the Periplus of Skylax to the Digital AgeDavid Pike18 Nov 2020, 21:25
Re: Curious star chartsDavid Pike18 Nov 2020, 09:08
Re: Curious star chartsDave Walden18 Nov 2020, 03:34
Re: Curious star chartsDavid Pike18 Nov 2020, 00:18
Re: Curious star chartsFrank Reed17 Nov 2020, 22:43
Re: Curious star chartsGary LaPook17 Nov 2020, 22:37
Re: Curious star chartsEd Popko17 Nov 2020, 22:27
Re: Curious star chartsMurray Buckman17 Nov 2020, 22:23
Re: Digital wrist watch with specific capabilitiesBill Lionheart17 Nov 2020, 18:18
Re: Curious star chartsDavid Pike17 Nov 2020, 18:17
Re: Curious star chartsJim Rives17 Nov 2020, 18:10
Re: Curious star chartsFrank Reed17 Nov 2020, 16:39
Re: Digital wrist watch with specific capabilitiesPedro Redondo17 Nov 2020, 16:36
Re: Digital wrist watch with specific capabilitiesPedro Redondo17 Nov 2020, 16:35
Re: Curious star chartsDavid Pike17 Nov 2020, 16:10
Re: Curious star chartsDavid Pike17 Nov 2020, 09:47
Re: Curious star chartsFrank Reed17 Nov 2020, 06:55
Re: CP-300/U USAF Star FinderAlan S17 Nov 2020, 03:51
Curious star chartsEd Popko16 Nov 2020, 15:13
Re: Sextant practice in 2014Bill Lionheart16 Nov 2020, 09:11
Re: Sextant practice in 2014Bill Morris16 Nov 2020, 03:47
Re: My "Office Hours" (and Launch Lunch)Frank Reed15 Nov 2020, 21:45
Re: Meridian transit adaptationDavid Pike15 Nov 2020, 16:43
Re: Meridian transit adaptationBruce J. Pennino15 Nov 2020, 04:57
Re: Digital wrist watch with specific capabilitiesSean C15 Nov 2020, 01:42
Re: Digital wrist watch with specific capabilitiesHewitt Schlereth14 Nov 2020, 23:53
Re: Meridian transit adaptationNick M14 Nov 2020, 22:53
Re: Casio fx-300ES Plus (2nd Edition)Greg Rudzinski14 Nov 2020, 19:53
Re: Casio fx-300ES Plus (2nd Edition)Ofer Bar Gil14 Nov 2020, 19:42
Re: Casio fx-300ES Plus (2nd Edition)Bob Goethe14 Nov 2020, 16:03
Re: Casio fx-300ES Plus (2nd Edition)Bela Kovacs14 Nov 2020, 14:43
Re: Meridian transit adaptationDavid Pike14 Nov 2020, 11:46
Re: Radians and DegreesSean C14 Nov 2020, 08:38
Re: Casio fx-300ES Plus (2nd Edition)Sean C14 Nov 2020, 08:32
Re: Radians and DegreesGary LaPook14 Nov 2020, 06:10
Re: Radians and DegreesAlan S14 Nov 2020, 03:50
Re: Casio fx-300ES Plus (2nd Edition)Alan S14 Nov 2020, 03:29
Re: Casio fx-300ES Plus (2nd Edition)David C14 Nov 2020, 03:18
Re: Casio fx-300ES Plus (2nd Edition)Greg Rudzinski14 Nov 2020, 02:13
Re: Definition Intercept/St. Hilaire MethodGreg Rudzinski13 Nov 2020, 23:25
Casio fx-300ES Plus (2nd Edition)Bob Goethe13 Nov 2020, 23:11
Definition Intercept/St. Hilaire MethodBob Goethe13 Nov 2020, 22:45
Meridian transit adaptationDavid Schmidt13 Nov 2020, 20:30
Re: Another "Where are we?" puzzleFrank Reed13 Nov 2020, 20:21
Re: Another "Where are we?" puzzleDavid Pike13 Nov 2020, 16:38
Re: My "Office Hours" this weekendFrank Reed13 Nov 2020, 16:13
Digital wrist watch with specific capabilitiesPedro Redondo13 Nov 2020, 13:30
Re: Sextant practice in 2014Greg Rudzinski13 Nov 2020, 12:35
Re: Astronomy or AstrologyDavid Iwancio13 Nov 2020, 07:01
Sextant practice in 2014Frank Reed13 Nov 2020, 06:48
Re: Astronomy or AstrologyGeoffrey Kolbe13 Nov 2020, 06:16
Astronomy or AstrologyRobert Swartz13 Nov 2020, 04:44
Celestial Navigation on a minesweeperFrank Reed12 Nov 2020, 23:32
Re: Another "Where are we?" puzzleFrank Reed12 Nov 2020, 21:43
Re: Another "Where are we?" puzzleGreg Rudzinski12 Nov 2020, 19:22
Re: Another "Where are we?" puzzleGreg Rudzinski12 Nov 2020, 18:45
Re: Another "Where are we?" puzzleDavid Pike12 Nov 2020, 16:08
Re: Another "Where are we?" puzzleGreg Rudzinski12 Nov 2020, 14:55
Another "Where are we?" puzzleFrank Reed12 Nov 2020, 02:19
Modern Celestial ONE: Sextants & Sun SightsFrank Reed11 Nov 2020, 20:29
My "Office Hours" this weekendFrank Reed11 Nov 2020, 20:21
Re: Titanic rescue attemps documentaryCharles McElhill9 Nov 2020, 23:24
Re: Titanic rescue attemps documentaryDavid C9 Nov 2020, 19:59
Titanic rescue attemps documentaryBill B9 Nov 2020, 09:21
Re: Edward J WillisDavid C9 Nov 2020, 03:37
Re: Edward J WillisDavid Pike8 Nov 2020, 17:27
Re: Edward J WillisGeoffrey Kolbe8 Nov 2020, 09:29
Re: Edward J WillisDavid C7 Nov 2020, 22:02
Mariner's Mirror PodcastBob Crawley7 Nov 2020, 15:43
Re: Edward J WillisDavid Pike7 Nov 2020, 11:16
Re: Where are we NavigatorDavid Pike7 Nov 2020, 09:58
New David Lewis bookBenjamin Lowings7 Nov 2020, 09:57
Re: Edward J WillisDavid C7 Nov 2020, 08:50
Re: Edward J WillisFrank Reed7 Nov 2020, 07:46
Re: Where are we NavigatorFrank Reed7 Nov 2020, 07:31
Re: Edward J WillisFred Hebard7 Nov 2020, 06:40
Re: Edward J WillisFred Hebard7 Nov 2020, 06:38
Re: Edward J WillisSean C7 Nov 2020, 06:34
Re: Edward J WillisDavid C7 Nov 2020, 05:52
Re: Where are we NavigatorLuc Van den Borre7 Nov 2020, 01:02
Re: Where are we NavigatorDon Seltzer7 Nov 2020, 00:52
Re: Where are we NavigatorDon Seltzer7 Nov 2020, 00:51
Re: Edward J WillisDavid C7 Nov 2020, 00:51
Re: Edward J WillisDavid C7 Nov 2020, 00:31
Re: Edward J WillisDavid Pike7 Nov 2020, 00:26
Re: Where are we NavigatorDavid Pike7 Nov 2020, 00:14
Re: Where are we NavigatorBill Ritchie6 Nov 2020, 23:02
Re: Where are we NavigatorFrank Reed6 Nov 2020, 22:50
Re: Where are we NavigatorMurray Buckman6 Nov 2020, 22:42
Re: Where are we NavigatorMurray Buckman6 Nov 2020, 22:19
Re: Where are we NavigatorDavid C6 Nov 2020, 21:44
Re: Edward J WillisDavid C6 Nov 2020, 21:35
Re: Where are we NavigatorDavid C6 Nov 2020, 21:29
Re: Where are we NavigatorFrank Reed6 Nov 2020, 20:48
Where are we NavigatorDavid Pike6 Nov 2020, 17:49
Re: Edward J WillisDavid Pike6 Nov 2020, 17:28
Re: Radians and DegreesAlan S6 Nov 2020, 15:57
Re: Edward J WillisDavid C6 Nov 2020, 07:33
Re: "Office Hours" today's session cancelledFrank Reed6 Nov 2020, 06:52
Re: Edward J WillisFrank Reed6 Nov 2020, 06:41
Re: Radians and DegreesSean C6 Nov 2020, 05:11
Edward J WillisDavid C6 Nov 2020, 03:04
Re: Radians and DegreesAlan S5 Nov 2020, 21:29
Re: Radians and DegreesSean C5 Nov 2020, 21:08
Re: Radians and DegreesGary LaPook5 Nov 2020, 17:59
Re: Radians and DegreesAlan S4 Nov 2020, 19:27
A68 iceberg on collision path with South Georgia - BBC NewsJackson McDonald4 Nov 2020, 18:24
Re: Radians and DegreesAlan S4 Nov 2020, 16:29
Re: Cloudy Weather Johnson's Double Chronometer MethodPaul Bedel3 Nov 2020, 10:52
Re: Radians and DegreesSean C3 Nov 2020, 09:59
Re: Radians and DegreesSean C3 Nov 2020, 05:32
Re: Cloudy Weather Johnson's Double Chronometer MethodMurray Buckman3 Nov 2020, 02:17
Re: Cloudy Weather Johnson's Double Chronometer MethodDavid C2 Nov 2020, 22:06
Re: Cloudy Weather Johnson's Double Chronometer MethodMurray Buckman2 Nov 2020, 21:49
Re: Cloudy Weather Johnson's Double Chronometer MethodDavid C2 Nov 2020, 20:49
Re: Cloudy Weather Johnson's Double Chronometer MethodMurray Buckman2 Nov 2020, 16:50
Re: Hanno Ix azimuth diagram flowchart?Andrés Ruiz2 Nov 2020, 14:39
Re: The Nautical Mile?Mike Freeman2 Nov 2020, 07:08
Cloudy Weather Johnson's Double Chronometer MethodDavid C2 Nov 2020, 03:52
Re: Radians and DegreesPaul Hirose1 Nov 2020, 22:05
Re: Lecky's mistakeDavid Pike1 Nov 2020, 20:53
Re: "Office Hours" today's session cancelledFrank Reed1 Nov 2020, 20:15
Re: How do you set a Tide Clock ?Frank Reed1 Nov 2020, 20:02
Re: Radians and DegreesTracy Shrier1 Nov 2020, 17:21
Re: Lecky's mistakeLars Bergman1 Nov 2020, 15:49
Re: The Nautical Mile?Lars Bergman1 Nov 2020, 15:00
Re: The Nautical Mile?Gary LaPook1 Nov 2020, 09:06
Re: The Nautical Mile?Gary LaPook1 Nov 2020, 08:53
Re: The Nautical Mile?Paul Hirose1 Nov 2020, 05:07
How do you set a Tide Clock ?Geoff Hitchcox1 Nov 2020, 04:51
Re: The Nautical Mile?Gary LaPook31 Oct 2020, 23:27
Re: Radians and DegreesRobert VanderPol II31 Oct 2020, 22:34
Re: Lecky's mistakeDavid C31 Oct 2020, 20:53
Re: Lecky's mistakeDavid Pike31 Oct 2020, 19:55
Re: The Nautical Mile?Don Seltzer31 Oct 2020, 19:46
Re: The Nautical Mile?Mike Freeman31 Oct 2020, 18:25
Re: The Nautical Mile?James F Campbell31 Oct 2020, 16:22
Re: The Nautical Mile?Lars Bergman31 Oct 2020, 15:40
Re: Lecky's mistakeDavid Pike31 Oct 2020, 12:44
Radians and DegreesSean C31 Oct 2020, 11:07
Re: Lecky's mistakeMurray Peake31 Oct 2020, 09:40
Re: Lecky's mistakeFrank Reed31 Oct 2020, 04:06
Lecky's mistakeDavid C31 Oct 2020, 03:20
Re: The Nautical Mile?Robert VanderPol II31 Oct 2020, 00:39
Re: Hanno Ix azimuth diagram flowchart?David C30 Oct 2020, 22:52
Re: Hanno Ix azimuth diagram flowchart?David C30 Oct 2020, 21:16
Lars Bergman - Worsleys LogbookDavid Mearns30 Oct 2020, 18:17
Re: Hanno Ix azimuth diagram flowchart?Brian Villmoare30 Oct 2020, 16:30
Live, interactive "Office Hours" TODAY and SundayFrank Reed30 Oct 2020, 15:21
Re: Hanno Ix azimuth diagram flowchart?Herman Dekker30 Oct 2020, 09:33
The Nautical Mile?Mike Freeman30 Oct 2020, 07:59
Re: Hanno Ix azimuth diagram flowchart?David C30 Oct 2020, 02:05
Re: Hanno Ix azimuth diagram flowchart?David C30 Oct 2020, 01:48
Re: Hanno Ix azimuth diagram flowchart?Brian Villmoare29 Oct 2020, 18:42
Re: Hanno Ix azimuth diagram flowchart?Greg Rudzinski29 Oct 2020, 13:22
Hanno Ix azimuth diagram flowchart?Brian Villmoare29 Oct 2020, 04:51
Re: Digital watches as chronometersGary LaPook28 Oct 2020, 18:55
Re: Digital watches as chronometersGary LaPook28 Oct 2020, 18:29
Re: Digital watches as chronometersGreg Rudzinski28 Oct 2020, 18:02
“The Dutch Raid on the Medway 1667 ” Free online webinarDavid Pike28 Oct 2020, 11:28
Digital watches as chronometersGary LaPook28 Oct 2020, 08:37
Re: Question from the FNGGary LaPook28 Oct 2020, 05:43
Re: Question from the FNGGary LaPook28 Oct 2020, 05:36
Re: Question from the FNGGary LaPook28 Oct 2020, 05:18
Re: Question from the FNGRobert VanderPol II28 Oct 2020, 04:37
Re: Question from the FNGMatthew Gianelloni28 Oct 2020, 00:18
Re: Simultaneous near limb - far limb lunarsLars Bergman27 Oct 2020, 18:24
Re: Question from the FNGJohn Clements27 Oct 2020, 17:49
Re: Question from the FNGJim Hickey27 Oct 2020, 17:40
Question from the FNGMatthew Gianelloni27 Oct 2020, 13:43
Re: Simultaneous near limb - far limb lunarsTibor Miseta27 Oct 2020, 10:46
Re: Simultaneous near limb - far limb lunarsGreg Rudzinski26 Oct 2020, 23:19
Re: Simultaneous near limb - far limb lunarsDave Walden26 Oct 2020, 13:48
Re: Simultaneous near limb - far limb lunarsDavid Fleming25 Oct 2020, 19:47
Re: Hav-Doniol re-visitedGreg Rudzinski25 Oct 2020, 20:29
Re: Live, interactive "Office Hours" Oct 23 and Oct 25 (Friday and Sunday)Frank Reed25 Oct 2020, 14:57
Simultaneous near limb - far limb lunarsTibor Miseta25 Oct 2020, 10:01
Re: Hav-Doniol re-visitedDavid C25 Oct 2020, 04:08
Heavenly Mathematics - The Forgotten Art of Spherical TrigonometryEd Popko24 Oct 2020, 15:35
Re: Haversines with LogarithmsGary LaPook23 Oct 2020, 19:19
Re: Live, interactive "Office Hours" Oct 23 and Oct 25 (Friday and Sunday)David Pike23 Oct 2020, 08:45
Re: Haversines with LogarithmsFrank Reed23 Oct 2020, 07:36
Re: Haversines with LogarithmsGary LaPook23 Oct 2020, 06:56
Live, interactive "Office Hours" Oct 23 and Oct 25 (Friday and Sunday)Frank Reed23 Oct 2020, 03:14
Article about Frank's Nautical Almanac clone app in Ocean Navigator.Doug Faunt23 Oct 2020, 02:33
Re: Hav-Doniol re-visitedGreg Rudzinski23 Oct 2020, 00:20
Re: Hav-Doniol re-visitedGreg Rudzinski22 Oct 2020, 23:26
French inertial-celestial systemFrank Reed22 Oct 2020, 21:27
Re: Curious sextant add-onDustin Baenen22 Oct 2020, 21:24
Re: Hav-Doniol re-visitedDavid C22 Oct 2020, 20:39
Re: Curious sextant add-onDavid Pike22 Oct 2020, 19:56
Re: Curious sextant add-onDustin Baenen22 Oct 2020, 19:20
Re: Navigation stars and a SpaceX MockshipMurray Buckman22 Oct 2020, 18:55
Re: Curious sextant add-onMichael Bradley22 Oct 2020, 18:39
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike22 Oct 2020, 18:25
Re: Curious sextant add-onBill Lockhart22 Oct 2020, 17:42
Re: Curious sextant add-onDoug Faunt22 Oct 2020, 17:23
Re: Curious sextant add-onDavid Pike22 Oct 2020, 17:10
Re: Curious sextant add-onDavid Iwancio22 Oct 2020, 16:26
Re: Curious sextant add-onBill Lionheart22 Oct 2020, 09:44
Re: Curious sextant add-onGary LaPook22 Oct 2020, 08:08
Re: Curious sextant add-onBill Lionheart22 Oct 2020, 06:57
Re: Navigation stars and a SpaceX MockshipDoug Faunt22 Oct 2020, 02:33
Re: Navigation stars and a SpaceX MockshipFrank Reed22 Oct 2020, 02:08
Re: Navigation stars and a SpaceX MockshipMurray Buckman22 Oct 2020, 01:20
Re: Curious sextant add-onBill Lockhart22 Oct 2020, 00:14
Re: Curious sextant add-onGary LaPook21 Oct 2020, 21:06
Navigation stars and a SpaceX MockshipFrank Reed21 Oct 2020, 19:56
Re: Curious sextant add-onLuc Van den Borre21 Oct 2020, 18:41
Re: Curious sextant add-onDavid Iwancio21 Oct 2020, 18:10
Curious sextant add-onBill Lockhart21 Oct 2020, 17:06
Re: Haversines with LogarithmsFrank Reed20 Oct 2020, 20:36
My "Office Hours" sessions, schedule changeFrank Reed20 Oct 2020, 17:26
Workshop this weekend: Celestial in the Age of SailFrank Reed20 Oct 2020, 15:49
Re: Haversines with LogarithmsBrian Walton20 Oct 2020, 14:45
Re: Smithsonian Collection of Aircraft SextantsGary LaPook20 Oct 2020, 03:53
Re: Smithsonian Collection of Aircraft SextantsRobert Swartz19 Oct 2020, 22:46
Re: Haversines with LogarithmsDavid C19 Oct 2020, 21:14
Re: USAF smartphone celestial patentDavid Pike19 Oct 2020, 16:34
Re: USAF smartphone celestial patentDavid Pike19 Oct 2020, 16:22
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike19 Oct 2020, 15:56
Re: USAF smartphone celestial patentFred Hebard19 Oct 2020, 08:53
Re: USAF smartphone celestial patentDavid Pike19 Oct 2020, 08:38
Re: Smithsonian Collection of Aircraft SextantsJürgen Hoefeld19 Oct 2020, 07:38
Smithsonian Collection of Aircraft SextantsRobert Swartz19 Oct 2020, 04:35
Deborah Warner Article re. Aircraft SextantsRobert Swartz19 Oct 2020, 04:33
Re: Haversines with LogarithmsDavid C19 Oct 2020, 04:26
Re: Measuring (and Calculating) DipAndrew T. Young19 Oct 2020, 04:24
Re: Haversines with LogarithmsDavid C19 Oct 2020, 02:05
USAF smartphone celestial patentFrank Reed18 Oct 2020, 22:58
Re: Experience with an artifical horizonGary LaPook18 Oct 2020, 22:26
Re: Haversines with LogarithmsDavid Pike18 Oct 2020, 19:39
Re: Experience with an artifical horizonDavid Iwancio18 Oct 2020, 17:07
Re: Haversines with LogarithmsBrian Walton18 Oct 2020, 14:49
Re: 24MP DSLR 35mm LunarsEd Popko18 Oct 2020, 13:41
Re: Experience with an artifical horizonEd Popko18 Oct 2020, 13:38
No "Office Hours" todayFrank Reed18 Oct 2020, 08:42
Re: Haversines with LogarithmsRoger W. Sinnott17 Oct 2020, 21:22
Re: Navigation Training at Sea and in the Air - Free Online SeminarGary LaPook17 Oct 2020, 20:42
Re: Crelle's tablesPeter Hakel17 Oct 2020, 20:16
Re: Crelle's tablesDavid C17 Oct 2020, 20:00
Re: Clear side of horizon mirrors has reflecting properties.David Pike17 Oct 2020, 19:54
Re: Slide ruleDoug Faunt17 Oct 2020, 18:53
Re: Haversines with LogarithmsMatthew Gianelloni17 Oct 2020, 18:25
Re: Crelle's tablesFrank Reed17 Oct 2020, 18:17
Re: Crelle's tablesAlan S17 Oct 2020, 16:39
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike17 Oct 2020, 09:14
Re: Crelle's tablesLars Bergman17 Oct 2020, 09:11
Re: Haversines with LogarithmsBrian Walton17 Oct 2020, 09:01
Re: Crelle's tablesHerman Dekker17 Oct 2020, 07:17
Re: Crelle's tablesDavid C17 Oct 2020, 05:52
Re: Navigation Training at Sea and in the Air - Free Online SeminarGary LaPook17 Oct 2020, 05:43
Re: Crelle's tablesDavid C17 Oct 2020, 04:29
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris17 Oct 2020, 03:24
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris17 Oct 2020, 02:41
Re: Haversines with LogarithmsDavid C16 Oct 2020, 21:12
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike16 Oct 2020, 20:21
Re: Navigation Training at Sea and in the Air - Free Online SeminarBob Crawley16 Oct 2020, 18:09
Re: Experience with an artifical horizonGary LaPook16 Oct 2020, 17:26
Re: Haversines with LogarithmsMatthew Gianelloni16 Oct 2020, 11:10
Re: Clear side of horizon mirrors has reflecting properties.David Pike16 Oct 2020, 08:49
Re: Haversines with LogarithmsBrian Walton16 Oct 2020, 07:58
Re: Clear side of horizon mirrors has reflecting properties.John Clements16 Oct 2020, 05:51
Re: Problem: index correction by starModris Fersters16 Oct 2020, 05:49
Re: Experience with an artifical horizonRobert Swartz16 Oct 2020, 03:13
Re: Experience with an artifical horizonDavid Fleming16 Oct 2020, 03:03
Re: Clear side of horizon mirrors has reflecting properties.Bill Morris16 Oct 2020, 01:29
Re: Experience with an artifical horizonGreg Rudzinski16 Oct 2020, 01:06
Re: Navigation Training at Sea and in the Air - Free Online SeminarFrank Reed15 Oct 2020, 23:04
Re: Experience with an artifical horizonMarty Lyons15 Oct 2020, 23:00
Re: Problem: index correction by starFrank Reed15 Oct 2020, 18:53
Problem: index correction by starModris Fersters15 Oct 2020, 18:23
Re: Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike15 Oct 2020, 16:29
Re: Haversines with LogarithmsMatthew Gianelloni15 Oct 2020, 10:31
Re: 24MP DSLR 35mm LunarsGreg Rudzinski15 Oct 2020, 02:27
Re: 24MP DSLR 35mm LunarsFrank Reed15 Oct 2020, 01:55
Re: Folding Chair for CNAlan S14 Oct 2020, 21:45
Re: Clear side of horizon mirrors has reflecting properties.David Pike14 Oct 2020, 19:55
Re: Haversines with LogarithmsMatthew Gianelloni14 Oct 2020, 19:31
Re: Haversines with LogarithmsDavid C14 Oct 2020, 18:51
Re: Haversines with LogarithmsDavid C14 Oct 2020, 18:54
Re: Clear side of horizon mirrors has reflecting properties.David C14 Oct 2020, 18:09
Re: Haversines with LogarithmsGary LaPook14 Oct 2020, 18:01
Re: Clear side of horizon mirrors has reflecting properties.Bob GW14 Oct 2020, 17:21
Re: Experience with an artifical horizonGary LaPook14 Oct 2020, 17:12
Re: 24MP DSLR 35mm LunarsGreg Rudzinski14 Oct 2020, 16:08
Re: Clear side of horizon mirrors has reflecting properties.David Pike14 Oct 2020, 15:53
Re: Experience with an artifical horizonDoug MacPherson14 Oct 2020, 14:47
24MP DSLR 35mm LunarsGreg Rudzinski14 Oct 2020, 13:26
Re: Experience with an artifical horizonMatthew Gianelloni14 Oct 2020, 11:32
Re: Experience with an artifical horizonMatthew Gianelloni14 Oct 2020, 11:24
Clear side of horizon mirrors has reflecting properties.Bob GW14 Oct 2020, 09:28
Re: Experience with an artifical horizonDavid Iwancio14 Oct 2020, 07:05
Re: Experience with an artifical horizonDavid C14 Oct 2020, 04:44
Re: Experience with an artifical horizonAlan S14 Oct 2020, 03:49
Re: Experience with an artifical horizonGreg Rudzinski13 Oct 2020, 22:04
Re: Haversines with LogarithmsDavid C13 Oct 2020, 19:49
Experience with an artifical horizonModris Fersters13 Oct 2020, 18:51
Re: Battenberg manualsDavid Pike13 Oct 2020, 18:42
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct 2020, 18:22
How long until Sun goes down?Herman Dekker13 Oct 2020, 18:10
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct 2020, 12:05
Re: Haversines with LogarithmsMatthew Gianelloni13 Oct 2020, 11:26
Re: Battenberg manualsRonald van Riet13 Oct 2020, 10:08
Re: Haversines with LogarithmsDavid C13 Oct 2020, 02:40
Re: Haversines with LogarithmsMurray Buckman13 Oct 2020, 00:28
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 23:51
Re: Haversines with LogarithmsGary LaPook12 Oct 2020, 23:41
Navigation Training at Sea and in the Air - Free Online SeminarDavid Pike12 Oct 2020, 19:00
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 18:13
Re: Haversines with LogarithmsFrank Reed12 Oct 2020, 17:51
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 14:36
Re: Haversines with LogarithmsGreg Rudzinski12 Oct 2020, 14:28
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 14:13
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 11:44
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 10:56
Re: Haversines with LogarithmsGreg Rudzinski12 Oct 2020, 06:03
Re: Haversines with LogarithmsDavid C12 Oct 2020, 03:41
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 01:17
Re: Haversines with LogarithmsMatthew Gianelloni12 Oct 2020, 01:10
Historical US nautical charts and other mapsFrank Reed11 Oct 2020, 21:16
Re: Haversines with LogarithmsGreg Rudzinski11 Oct 2020, 18:51
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct 2020, 16:14
Re: Haversines with LogarithmsFrank Reed11 Oct 2020, 16:03
Re: Haversines with LogarithmsLars Bergman11 Oct 2020, 14:40
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct 2020, 12:14
Re: Haversines with LogarithmsMatthew Gianelloni11 Oct 2020, 11:46
Re: Time sight primerDavid C11 Oct 2020, 02:41
Online Meetings Tomorrow, Oct 11Frank Reed11 Oct 2020, 01:31
Re: Haversines with LogarithmsFrank Reed11 Oct 2020, 01:21
Re: Time sight primerFrank Reed11 Oct 2020, 01:00
Haversines with LogarithmsMatthew Gianelloni10 Oct 2020, 16:15
Re: Time sight primerDavid C10 Oct 2020, 08:45
Re: Free Webinar on 17th & 18th Century Marine NavigationJohn Clements9 Oct 2020, 21:37
Re: Battenberg manualsJohn Niven9 Oct 2020, 11:09
Re: Battenberg manualsDavid Pike8 Oct 2020, 23:11
Re: Battenberg manualsDavid Pike8 Oct 2020, 22:54
Re: Free Webinar on 17th & 18th Century Marine NavigationDavid Pike8 Oct 2020, 20:56
Re: Free Webinar on 17th & 18th Century Marine NavigationDavid Pike8 Oct 2020, 18:38
Re: Battenberg manualsMichael Bradley8 Oct 2020, 14:23
Celestial navigation resurgence (Yachting World)John Carbone8 Oct 2020, 12:17
Re: Phosphine biomarker gas in Venus atmosphere.Alan S8 Oct 2020, 04:02
Phosphine biomarker gas in Venus atmosphere.Francis Upchurch8 Oct 2020, 02:48
Re: Distance by Vertical AngleFrank Reed8 Oct 2020, 00:42
Re: Battenberg manualsDavid Pike7 Oct 2020, 23:26
Re: Battenberg manualsAlan S7 Oct 2020, 19:16
Re: Battenberg manualsJohn Niven7 Oct 2020, 19:01
Free Webinar on 17th & 18th Century Marine NavigationDavid Pike7 Oct 2020, 18:24
Re: Distance by Vertical AngleMurray Buckman7 Oct 2020, 18:18
Re: Distance by Vertical AngleFrank Reed7 Oct 2020, 18:16
Re: Battenberg manualsDavid Pike7 Oct 2020, 18:02
Re: Battenberg manualsDavid Pike7 Oct 2020, 17:54
Battenberg manualsRonald van Riet7 Oct 2020, 08:35
Re: US Navy MK II sextant manualBruce Cutting7 Oct 2020, 00:14
Re: Distance by Vertical AngleDavid Pike6 Oct 2020, 23:16
Re: US Navy MK II sextant manualRandy Shivak6 Oct 2020, 22:07
Distance by Vertical AngleFrank Reed6 Oct 2020, 18:09
Re: Old navigation books collectionDavid C6 Oct 2020, 04:35
Re: Old navigation books collectionSimon Horwith5 Oct 2020, 22:08
Re: GHA of the MoonFrank Reed5 Oct 2020, 21:11
Old navigation books collectionHerman Dekker5 Oct 2020, 20:43
Re: GHA of the MoonTibor Miseta5 Oct 2020, 17:16
Re: Flight 19 routeKevin MacKenzie5 Oct 2020, 16:54
Re: GHA of the MoonSean C5 Oct 2020, 07:48
Re: GHA of the MoonMichael Bradley4 Oct 2020, 12:01
Re: GHA of the MoonPeter Hakel4 Oct 2020, 05:01
Reconditioned Bausch and Lomb A8-A Bubble Sextant F.S. DiscountedRobert Swartz4 Oct 2020, 02:05
Re: GHA of the MoonFrank Reed3 Oct 2020, 23:09
Re: GHA of the MoonFrank Reed3 Oct 2020, 22:59
Online Meeting Tomorrow, Oct 4, "Distance by Vertical Angle"Frank Reed3 Oct 2020, 20:46
Re: GHA of the MoonJames Vrancik3 Oct 2020, 20:29
Modern Celestial Navigation workshops postponed until mid-NovemberFrank Reed3 Oct 2020, 20:28
Re: GHA of the MoonFrank Reed3 Oct 2020, 18:39
Re: GHA of the MoonDavid Iwancio3 Oct 2020, 18:25
Re: GHA of the MoonDavid C3 Oct 2020, 08:01
Re: GHA of the MoonFrank Reed3 Oct 2020, 05:12
Re: GHA of the MoonSean C3 Oct 2020, 04:48
Re: GHA of the MoonDavid C3 Oct 2020, 00:26
Re: GHA of the MoonJames Vrancik2 Oct 2020, 21:48
Re: Navigation Systems: online lectureDavid Pike2 Oct 2020, 15:16
Re: GHA of the MoonGary LaPook2 Oct 2020, 08:22
Re: GHA of the MoonRoger W. Sinnott2 Oct 2020, 00:49
Re: GHA of the MoonDavid Iwancio2 Oct 2020, 00:05
Re: GHA of the MoonFrank Reed1 Oct 2020, 22:34
GHA of the MoonJames Vrancik1 Oct 2020, 22:00
Re: Flight 19 routeKevin MacKenzie30 Sep 2020, 19:59
Re: Moon meridian passageJeremy C30 Sep 2020, 18:03
Re: Navigation Systems: online lectureDavid Pike30 Sep 2020, 07:33
Re: Moon meridian passageBruce J. Pennino29 Sep 2020, 23:21
Re: Navigation Systems: online lectureAlan S29 Sep 2020, 22:54
Navigation Systems: online lectureDavid Pike29 Sep 2020, 15:42
Re: Moon meridian passageBob GW29 Sep 2020, 09:12
Re: Moon meridian passageBob GW29 Sep 2020, 08:35
Re: Solve this Moon photo!Frank Reed29 Sep 2020, 05:55
Re: Solve this Moon photo!Don Seltzer29 Sep 2020, 02:22
Re: Moon meridian passageFrank Reed29 Sep 2020, 01:01
Re: Moon meridian passageDavid Fleming29 Sep 2020, 00:57
Re: Units in NavigationGary LaPook29 Sep 2020, 00:02
Moon meridian passageBob GW28 Sep 2020, 23:23
Re: Units in NavigationDavid Pike28 Sep 2020, 21:59
Re: Solve this Moon photo!Greg Rudzinski28 Sep 2020, 20:30
Re: Units in NavigationGary LaPook28 Sep 2020, 20:01
Re: Units in NavigationGary LaPook28 Sep 2020, 19:57
Re: Solve this Moon photo!Frank Reed28 Sep 2020, 19:18
Re: Units in NavigationAl Stewart28 Sep 2020, 17:54
Re: Units in NavigationRobert Neff28 Sep 2020, 15:46
Re: Solve this Moon photo!Greg Rudzinski28 Sep 2020, 13:30
Re: Azimuth diagram of Hanno IxGreg Rudzinski28 Sep 2020, 13:06
Re: Units in NavigationGary LaPook28 Sep 2020, 07:46
Re: Units in NavigationGary LaPook28 Sep 2020, 07:31
Re: Crelle's tablesBill B28 Sep 2020, 05:47
Re: Azimuth diagram of Hanno IxJim Williams28 Sep 2020, 04:36
Re: Crelle's tablesDavid C28 Sep 2020, 04:34
Re: Solve this Moon photo!Greg Rudzinski28 Sep 2020, 02:59
Re: Units in NavigationDavid C27 Sep 2020, 22:41
Re: Crelle's tablesDavid C27 Sep 2020, 22:29
Re: Units in NavigationDavid C27 Sep 2020, 22:05
Re: Crelle's tablesBill Ritchie27 Sep 2020, 21:55
Re: Units in NavigationGary LaPook27 Sep 2020, 21:42
Re: Solve this Moon photo!Frank Reed27 Sep 2020, 21:26
Re: Units in NavigationGary LaPook27 Sep 2020, 21:24
Re: Solve this Moon photo!Don Seltzer27 Sep 2020, 20:59
Re: Crelle's tablesLars Bergman27 Sep 2020, 19:50
Re: Solve this Moon photo!Greg Rudzinski27 Sep 2020, 15:48
Re: Crelle's tablesDave Walden27 Sep 2020, 15:22
Re: Crelle's tablesDave Walden27 Sep 2020, 12:31
Re: Russian celestial star globeIgor S.27 Sep 2020, 10:13
Re: Units in NavigationDavid Iwancio27 Sep 2020, 08:22
Solve this Moon photo!Frank Reed27 Sep 2020, 06:14
Re: Russian celestial star globeMarkku Kalima27 Sep 2020, 06:10
Re: Crelle's tablesAlan S27 Sep 2020, 04:00
Re: Units in NavigationFrank Reed27 Sep 2020, 03:58
Re: Units in NavigationGary LaPook27 Sep 2020, 03:03
Re: Units in NavigationGary LaPook27 Sep 2020, 03:00
Crelle's tablesDavid C27 Sep 2020, 02:10
NO online "Office Hours" tomorrow...Frank Reed27 Sep 2020, 00:28
Re: Star globe details and a Russian/Soviet bookFrank Reed26 Sep 2020, 22:36
Re: Star globe details and a Russian/Soviet bookAlan S26 Sep 2020, 22:35
Re: Star globe details and a Russian/Soviet bookIgor S.26 Sep 2020, 21:54
Re: Units in NavigationDon Seltzer26 Sep 2020, 21:44
Re: Units in NavigationDavid C26 Sep 2020, 21:27
Re: Units in NavigationJohn Clements26 Sep 2020, 20:01
Re: Units in NavigationFrank Reed26 Sep 2020, 19:43
Re: Units in NavigationDavid Pike26 Sep 2020, 19:37
Re: Units in NavigationFrank Reed26 Sep 2020, 19:17
Re: Units in NavigationGary LaPook26 Sep 2020, 18:11
Re: Units in NavigationFrank Reed26 Sep 2020, 18:02
Re: Units in NavigationDavid Pike26 Sep 2020, 12:45
Re: Units in NavigationBrian Walton26 Sep 2020, 10:17
Re: Units in NavigationGary LaPook26 Sep 2020, 09:27
Re: Units in NavigationFrank Reed26 Sep 2020, 04:05
Re: Units in NavigationDavid C25 Sep 2020, 23:11
Re: Units in NavigationDavid C25 Sep 2020, 22:22
Re: Star globe details and a Russian/Soviet bookAlan S25 Sep 2020, 21:16
Re: Units in NavigationDavid Pike25 Sep 2020, 19:59
Re: Units in NavigationGary LaPook25 Sep 2020, 18:44
Astronomical Observations of the 1869 Expedition through Grand CanyonRobin Stuart25 Sep 2020, 17:03
Re: Toy ship begins journeyDavid Pike25 Sep 2020, 11:42
Re: Star globe details and a Russian/Soviet bookIgor S.25 Sep 2020, 08:41
Re: Polaris' PM in RA?Sean C25 Sep 2020, 06:15
Re: Units in NavigationBrian Walton25 Sep 2020, 04:32
Re: Units in NavigationDoug Faunt25 Sep 2020, 00:35
ADMIN: NavList Operations ContributionsFrank Reed24 Sep 2020, 23:53
Re: Equinox at 13:30 UT... the Sun is heading south!David C24 Sep 2020, 22:55
Re: Polaris' PM in RA?Dave Walden24 Sep 2020, 22:55
Re: Polaris' PM in RA?Dave Walden24 Sep 2020, 22:16
Re: Polaris' PM in RA?Dave Walden24 Sep 2020, 22:03
Re: Polaris' PM in RA?Dave Walden24 Sep 2020, 21:58
Re: Polaris' PM in RA?Paul Hirose24 Sep 2020, 21:02
Re: Units in NavigationGary LaPook24 Sep 2020, 20:45
Re: Toy ship begins journeyFrancis Upchurch24 Sep 2020, 20:09
Re: Units in NavigationDavid Iwancio24 Sep 2020, 18:18
Re: Units in NavigationNoell Wilson24 Sep 2020, 17:13
Re: Toy ship begins journeyDavid Pike24 Sep 2020, 16:58
Re: Polaris' PM in RA?Frank Reed24 Sep 2020, 16:47
Re: Units in NavigationDavid Pike24 Sep 2020, 16:46
Re: Polaris' PM in RA?Sean C24 Sep 2020, 14:07
Toy ship begins journeyDavid Pike24 Sep 2020, 09:50
Re: Units in NavigationGary LaPook24 Sep 2020, 09:39
Re: Units in NavigationGeoffrey Kolbe24 Sep 2020, 05:16
Star globe details and a Russian/Soviet bookFrank Reed24 Sep 2020, 04:37
Units in NavigationGary LaPook24 Sep 2020, 01:30
Re: Women navigators in the age of sailDon Seltzer24 Sep 2020, 01:25
Re: Women navigators in the age of sailFrank Reed24 Sep 2020, 00:46
Women navigators in the age of sailDon Seltzer23 Sep 2020, 23:44
Re: Equinox at 13:30 UT... the Sun is heading south!Frank Reed23 Sep 2020, 21:03
Re: Polaris' PM in RA?Roger W. Sinnott23 Sep 2020, 18:29
ReedNavigation.com Online Workshops: October 2020Frank Reed23 Sep 2020, 18:21
Re: Polaris' PM in RA?Frank Reed23 Sep 2020, 17:04
Re: Kollsman periscopic sextant mountDoug Faunt23 Sep 2020, 15:56
Re: Kollsman periscopic sextant mountPeter Hakel23 Sep 2020, 13:37
Re: Kollsman periscopic sextant mountDave Walden23 Sep 2020, 12:09
Polaris' PM in RA?Sean C23 Sep 2020, 09:57
Re: Equinox at 13:30 UT... the Sun is heading south!David C22 Sep 2020, 22:56
Equinox at 13:30 UT... the Sun is heading south!Frank Reed22 Sep 2020, 19:16
A good reason to know celestial navigationDoug Faunt22 Sep 2020, 19:09
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep 2020, 18:56
Re: Kollsman periscopic sextant mountFrank Reed22 Sep 2020, 18:31
Re: Kollsman periscopic sextant mountFred Hebard22 Sep 2020, 17:49
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep 2020, 17:13
Re: Kollsman periscopic sextant mountBill Lionheart22 Sep 2020, 09:51
Re: Cel Nav Training FilmGary LaPook22 Sep 2020, 08:51
Re: Kollsman periscopic sextant mountGary LaPook22 Sep 2020, 08:16
Re: Kollsman periscopic sextant mountGary LaPook22 Sep 2020, 08:12
Re: Kollsman periscopic sextant mountGary LaPook22 Sep 2020, 07:43
Re: Kollsman periscopic sextant mountBruce Cutting22 Sep 2020, 01:55
Re: Kollsman periscopic sextant mountDoug Faunt22 Sep 2020, 01:09
Re: Kollsman periscopic sextant mountPeter Hakel22 Sep 2020, 00:05
Re: Kollsman periscopic sextant mountDave Walden21 Sep 2020, 22:49
Re: Kollsman periscopic sextant mountGary LaPook21 Sep 2020, 21:23
Re: Kollsman periscopic sextant mountDavid Pike21 Sep 2020, 20:39
Re: Kollsman periscopic sextant mountDoug Faunt21 Sep 2020, 20:29
Cel Nav Training FilmTracy Shrier21 Sep 2020, 20:35
Re: Kollsman periscopic sextant mountGary LaPook21 Sep 2020, 19:29
Re: Russian celestial star globePhilippe Posth21 Sep 2020, 18:44
Re: Kollsman periscopic sextant mountDoug Faunt21 Sep 2020, 15:53
Re: Kollsman periscopic sextant mountEric Fernandez21 Sep 2020, 09:58
Re: Kollsman periscopic sextant mountGary LaPook21 Sep 2020, 08:38
Re: Kollsman periscopic sextant mountGlen Swanson21 Sep 2020, 08:03
Re: Kollsman periscopic sextant mountRonald van Riet21 Sep 2020, 07:27
Re: Kollsman periscopic sextant mountLudwig Schweinfurth21 Sep 2020, 01:05
Re: Online Webex Meetings Tomorrow, Sep 20Bruce Cutting20 Sep 2020, 21:33
Re: Online Webex Meetings Tomorrow, Sep 20Doug MacPherson20 Sep 2020, 21:10
Re: Online Webex Meetings Tomorrow, Sep 20Frank Reed20 Sep 2020, 19:25
Re: Towson's tables?Paul Bedel20 Sep 2020, 14:04
Re: Russian celestial star globeAlexandre Eremenko20 Sep 2020, 12:11
Re: Voyages of the Astrolabe, 1826-29 and 1837-40Jürgen Hoefeld20 Sep 2020, 07:12
Voyages of the Astrolabe, 1826-29 and 1837-40Frank Reed20 Sep 2020, 06:01
Re: Russian celestial star globeSean C20 Sep 2020, 04:25
Online Webex Meetings Tomorrow, Sep 20Frank Reed20 Sep 2020, 01:04
Re: Towson's tables?David C19 Sep 2020, 22:36
Re: USNO web app clonedGeorge Kaplan19 Sep 2020, 20:55
Re: Russian celestial star globeAlexandre Eremenko19 Sep 2020, 18:53
Re: USNO web app clonedGeorge Kaplan19 Sep 2020, 18:11
Re: Towson's tables?Murray Buckman19 Sep 2020, 17:50
Re: New Soviet era sextant SNO-TBruce Cutting19 Sep 2020, 16:58
Re: Towson's tables?Paul Bedel19 Sep 2020, 14:49
Arrgh!Noell Wilson19 Sep 2020, 12:56
Russian celestial star globeMarkku Kalima19 Sep 2020, 10:58
Re: New Soviet era sextant SNO-TMarkku Kalima19 Sep 2020, 10:43
Re: Towson's tables?David C19 Sep 2020, 04:22
Re: Towson's tables?Frank Reed19 Sep 2020, 03:44
Re: Towson's tables?David C19 Sep 2020, 03:44
Re: Towson's tables?David C19 Sep 2020, 03:11
Re: Towson's tables?David C18 Sep 2020, 22:53
Re: USNO web app clonedEd Popko18 Sep 2020, 11:42
Re: Towson's tables?Rommel John Miller17 Sep 2020, 23:54
Re: Towson's tables?Frank Reed17 Sep 2020, 23:33
Towson's tables?David C17 Sep 2020, 23:19
Re: Single LOP is enough?Frank Reed17 Sep 2020, 19:46
Re: USNO web app clonedDave Walden17 Sep 2020, 17:35
Re: New Soviet era sextant SNO-TBruce Cutting17 Sep 2020, 02:19
Re: New Soviet era sextant SNO-TPeter Monta17 Sep 2020, 00:37
Re: New Soviet era sextant SNO-TBruce Cutting16 Sep 2020, 20:13
Re: New Soviet era sextant SNO-TMarkku Kalima16 Sep 2020, 18:59
Re: USNO web app clonedDavid Iwancio16 Sep 2020, 18:59
Re: Beta testers wantedChris Allison16 Sep 2020, 09:01
Re: Single LOP is enough?John Deen16 Sep 2020, 08:48
Re: USNO web app clonedEric Fernandez16 Sep 2020, 08:14
Re: USNO web app clonedHerman Dekker16 Sep 2020, 06:09
Re: Single LOP is enough?Robert VanderPol II16 Sep 2020, 04:37
Re: USNO web app clonedFrank Reed16 Sep 2020, 01:56
Re: USNO web app clonedFrank Reed16 Sep 2020, 01:38
Re: Latitude by PolarisFrank Reed15 Sep 2020, 21:55
Re: Single LOP is enough?David C15 Sep 2020, 21:17
Re: Single LOP is enough?Igor S.15 Sep 2020, 21:11
Re: Single LOP is enough?Bill Lionheart15 Sep 2020, 21:01
Re: USNO web app clonedDavid C15 Sep 2020, 21:01
Re: New Soviet era sextant SNO-TBruce Cutting15 Sep 2020, 20:06
Re: Single LOP is enough?Frank Reed15 Sep 2020, 19:41
Re: New Soviet era sextant SNO-TMarkku Kalima15 Sep 2020, 19:40
Re: USNO web app clonedFrank Reed15 Sep 2020, 19:22
Re: Single LOP is enough?Gary LaPook15 Sep 2020, 18:29
Re: Single LOP is enough?Greg Rudzinski15 Sep 2020, 18:24
Re: USNO web app clonedEric Fernandez15 Sep 2020, 15:34
Re: USNO web app clonedBob Goethe15 Sep 2020, 12:56
Single LOP is enough?John Deen15 Sep 2020, 12:47
Re: USNO web app clonedDave Walden15 Sep 2020, 12:42
Re: USNO web app clonedBob Goethe15 Sep 2020, 11:19
USNO web app clonedFrank Reed15 Sep 2020, 10:11
Re: New Soviet era sextant SNO-TLuc Van den Borre15 Sep 2020, 07:59
Re: New Soviet era sextant SNO-TBruce Cutting15 Sep 2020, 00:00
New Soviet era sextant SNO-TMarkku Kalima14 Sep 2020, 19:59
Re: Latitude by PolarisRobin Stuart14 Sep 2020, 14:46
Re: Beta testers wantedDavid C14 Sep 2020, 02:12
Re: Latitude by PolarisRobert Swartz14 Sep 2020, 01:48
Significant moment in Atlantic oceanDavid C14 Sep 2020, 00:07
Re: Beta testers wantedDavid C13 Sep 2020, 22:43
Re: Latitude by PolarisGary LaPook13 Sep 2020, 21:55
Re: Beta testers wantedDave Walden13 Sep 2020, 21:18
Re: Beta testers wantedFrank Reed13 Sep 2020, 19:55
Re: Beta testers wantedChris Allison13 Sep 2020, 17:17
Re: Latitude by PolarisFrank Reed13 Sep 2020, 06:16
Latitude by PolarisRobert Swartz13 Sep 2020, 04:29
Online Meetings Tomorrow, Sept 13Frank Reed13 Sep 2020, 00:49
Re: Beta testers wantedGreg Rudzinski12 Sep 2020, 22:09
Re: Determination of the GHA of AriesBrian Jones12 Sep 2020, 15:19
Beta testers wantedChris Allison12 Sep 2020, 13:46
Re: SD topocentric formulaEric Fernandez12 Sep 2020, 12:50
Re: SD topocentric formulaEric Fernandez12 Sep 2020, 12:40
Re: Digital SextantBruce Cutting11 Sep 2020, 23:45
Re: SD topocentric formulaDavid Iwancio11 Sep 2020, 21:01
Re: SD topocentric formulaFrank Reed11 Sep 2020, 20:13
Re: Problem with Frank Reed updated online almanacFrank Reed11 Sep 2020, 19:42
Re: Digital SextantDon Seltzer11 Sep 2020, 13:37
Re: Digital SextantPhilippe Posth11 Sep 2020, 12:06
Re: Digital SextantDavid Pike11 Sep 2020, 10:40
Re: Determination of the GHA of AriesDavid C11 Sep 2020, 07:55
Re: Determination of the GHA of AriesSean C11 Sep 2020, 07:18
SD topocentric formulaEric Fernandez11 Sep 2020, 06:34
Re: Problem with Frank Reed updated online almanacHerman Dekker11 Sep 2020, 06:27
Re: Problem with Frank Reed updated online almanacFrank Reed11 Sep 2020, 05:13
Sound Tracks for LunarsGreg Rudzinski11 Sep 2020, 00:13
Re: Problem with Frank Reed updated online almanacHerman Dekker10 Sep 2020, 21:00
Re: Problem with Frank Reed updated online almanacDavid C10 Sep 2020, 20:44
Re: Determination of the GHA of AriesDavid Iwancio10 Sep 2020, 19:14
Re: Digital SextantAlan S10 Sep 2020, 18:52
Re: Digital SextantDavid Iwancio10 Sep 2020, 18:30
Re: Determination of the GHA of AriesDavid Fleming10 Sep 2020, 18:14
Re: Digital SextantFrank Reed10 Sep 2020, 17:51
Re: Problem with Frank Reed updated online almanacFrank Reed10 Sep 2020, 17:26
Re: Longitude at noonPaul Bedel10 Sep 2020, 15:09
Re: Digital SextantGreg Rudzinski10 Sep 2020, 13:21
Problem with Frank Reed updated online almanacModris Fersters10 Sep 2020, 13:00
Re: Digital SextantBill Lionheart10 Sep 2020, 10:55
Re: Determination of the GHA of AriesBrian Jones10 Sep 2020, 09:54
Digital SextantPhilippe Posth10 Sep 2020, 08:15
Re: Determination of the GHA of AriesDavid C10 Sep 2020, 04:49
Re: Novice navigator with a Freiberger sextantAlan S10 Sep 2020, 03:00
Re: Determination of the GHA of AriesDavid Iwancio9 Sep 2020, 23:22
Re: Longitude at noonBill B9 Sep 2020, 23:11
Re: Determination of the GHA of AriesDavid Fleming9 Sep 2020, 23:00
Re: Martin Creamer dies at 104Bob Goethe9 Sep 2020, 21:57
Re: Longitude at noonTracy Shrier9 Sep 2020, 21:58
Re: Martin Creamer dies at 104Frank Reed9 Sep 2020, 21:03
Re: Novice navigator with a Freiberger sextantBruce Cutting9 Sep 2020, 19:51
Re: Longitude at noonPhilippe Posth9 Sep 2020, 18:56
Novice navigator with a Freiberger sextantHans van der Zeijden9 Sep 2020, 18:42
Determination of the GHA of AriesBrian Jones9 Sep 2020, 18:40
Re: Longitude at noonBruce Cutting9 Sep 2020, 18:21
Re: Longitude at noonTracy Shrier9 Sep 2020, 17:05
Re: Longitude at noonAndrés Ruiz9 Sep 2020, 07:57
Re: Longitude à midiPhilippe Posth9 Sep 2020, 06:30
Re: Longitude at noonDavid C9 Sep 2020, 05:26
Re: Longitude at noonDavid C9 Sep 2020, 04:24
Re: Longitude at noonBruce Cutting9 Sep 2020, 03:45
Re: Longitude at noonFrank Reed9 Sep 2020, 00:00
Re: Hezzanith SextantAl Stewart8 Sep 2020, 23:50
Re: Hezzanith SextantFrank Reed8 Sep 2020, 23:39
Re: Longitude at noonGreg Rudzinski8 Sep 2020, 22:59
Re: Yoder SextantFrank Reed8 Sep 2020, 22:28
Re: Martin Creamer dies at 104Bob Goethe8 Sep 2020, 22:19
Re: Hezzanith SextantBill Morris8 Sep 2020, 22:10
Longitude at noonPhilippe Posth8 Sep 2020, 19:21
Free Webinar: POSITIONS OF TRUST: Can we work with Navigation Systems we struggle to understand?David Pike8 Sep 2020, 18:29
Re: Sextant LubricationAlan S8 Sep 2020, 16:44
Re: Yoder SextantSimon Horwith8 Sep 2020, 16:38
Martin Creamer dies at 104Geoffrey Kolbe8 Sep 2020, 14:32
Re: Hezzanith SextantMurray Buckman8 Sep 2020, 02:44
Re: Hezzanith SextantAl Stewart8 Sep 2020, 02:08
Re: Hezzanith SextantAl Stewart8 Sep 2020, 01:52
Re: Hezzanith SextantMurray Buckman7 Sep 2020, 23:42
Re: Hezzanith SextantFrank Reed7 Sep 2020, 23:11
Re: Hezzanith SextantAl Stewart7 Sep 2020, 23:02
Re: NO Online Meetings TomorrowDrago Simac7 Sep 2020, 22:12
Re: 9th Century Lunar problem...Frank Reed7 Sep 2020, 19:01
Re: Hezzanith SextantAl Stewart7 Sep 2020, 18:03
9th Century Lunar problem...Dale Lichtblau7 Sep 2020, 14:39
Re: Hezzanith SextantDavid Pike7 Sep 2020, 14:29
Re: Hezzanith SextantAl Stewart7 Sep 2020, 00:03
Re: NO Online Meetings TomorrowBill Ritchie6 Sep 2020, 21:42
Troughton sextantEric van der Veen6 Sep 2020, 11:34
Re: Hezzanith SextantBill Morris6 Sep 2020, 08:50
Re: NO Online Meetings TomorrowDavid Pike6 Sep 2020, 07:15
NO Online Meetings TomorrowFrank Reed6 Sep 2020, 03:49
Re: Hezzanith SextantFrank Reed6 Sep 2020, 03:47
Re: Hezzanith SextantAl Stewart5 Sep 2020, 01:10
Re: Hezzanith SextantFrank Reed4 Sep 2020, 23:57
Re: Hezzanith SextantAl Stewart4 Sep 2020, 17:02
Re: Moon corrections: how computation order affects the resultEric Fernandez4 Sep 2020, 07:45
Re: Good Book On Air NavigationGary LaPook4 Sep 2020, 04:29
Re: Good Book On Air NavigationGary LaPook4 Sep 2020, 04:02
Good Book On Air NavigationRobert Swartz4 Sep 2020, 01:23
Re: Moon corrections: how computation order affects the resultDavid Iwancio3 Sep 2020, 21:50
Link Sextant Test Collimator Info.Robert Swartz3 Sep 2020, 20:08
Re: Moon corrections: how computation order affects the resultEric Fernandez3 Sep 2020, 19:34
Re: Kollsman periscopic sextant mountDavid Pike3 Sep 2020, 13:57
Re: Kollsman periscopic sextant and mountGary LaPook3 Sep 2020, 06:56
Re: Kollsman periscopic sextant and mountGary LaPook3 Sep 2020, 06:36
Bubble Sextant Electrical BugsRobert Swartz3 Sep 2020, 05:06
Re: Kollsman periscopic sextant and mountRobert Swartz3 Sep 2020, 04:46
Re: Moon corrections: how computation order affects the resultDavid Iwancio2 Sep 2020, 12:08
Re: Moon corrections: how computation order affects the resultDavid Iwancio2 Sep 2020, 11:40
Re: Moon corrections: how computation order affects the resultEric Fernandez2 Sep 2020, 09:43
Re: Moon corrections: how computation order affects the resultFrank Reed1 Sep 2020, 20:46
Re: Moon corrections: how computation order affects the resultGary LaPook1 Sep 2020, 19:48
Re: Moon corrections: how computation order affects the resultFrank Reed1 Sep 2020, 16:54
Re: Moon corrections: how computation order affects the resultEric Fernandez1 Sep 2020, 13:36
Re: Moon corrections: how computation order affects the resultDavid Iwancio1 Sep 2020, 07:56
Re: Kollsman periscopic sextant mountGary LaPook1 Sep 2020, 07:45
ADMIN: last night's internet outageFrank Reed1 Sep 2020, 01:07
Re: Kollsman periscopic sextant mountLudwig Schweinfurth31 Aug 2020, 22:53
Moon corrections: how computation order affects the resultFernandez E31 Aug 2020, 08:43
Online Meetings TomorrowFrank Reed30 Aug 2020, 04:54
Re: Hughes & Son's Sextant - General InfoAdrian Bevan29 Aug 2020, 10:12
Re: Hughes & Son's Sextant - General InfoAdrian Bevan29 Aug 2020, 10:10
Lunar Jupiter Lunar Calibration ImageGreg Rudzinski29 Aug 2020, 04:07
Re: Navigation with Moon imagesGreg Rudzinski28 Aug 2020, 19:50
Re: Hughes & Son's Sextant - General InfoFrank Reed28 Aug 2020, 17:51
Re: Hughes & Son's Sextant - General InfoAdrian Bevan28 Aug 2020, 14:46
Re: Navigation with Moon imagesPeter Monta28 Aug 2020, 14:07
Re: Navigation with Moon imagesGreg Rudzinski27 Aug 2020, 20:53
Re: Navigation with Moon imagesPeter Monta27 Aug 2020, 16:19
Re: Hughes & Son's Sextant - General InfoMurray Buckman26 Aug 2020, 18:03
Re: Hughes & Son's Sextant - General InfoAdrian Bevan26 Aug 2020, 12:49
Re: Navigation with Moon imagesGreg Rudzinski26 Aug 2020, 01:59
Re: Navigation with Moon imagesPeter Monta25 Aug 2020, 16:15
Re: Navigation with Moon imagesPeter Monta25 Aug 2020, 16:02
Re: Navigation with Moon imagesPeter Monta25 Aug 2020, 15:52
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski25 Aug 2020, 04:22
Re: Latitude 48 Article Image as CN Piloting ExerciseFrank Reed25 Aug 2020, 02:13
AstronawigacjaIgor S.24 Aug 2020, 19:09
Re: Who's that hiding behind Jupiter?Robert Neff24 Aug 2020, 16:44
Re: Navigation with Moon imagesRobert Neff24 Aug 2020, 15:57
Re: Navigation with Moon imagesFrank Reed24 Aug 2020, 14:50
Re: Navigation with Moon imagesGreg Rudzinski24 Aug 2020, 11:39
Navigation with Moon imagesPeter Monta24 Aug 2020, 02:33
Re: What time is it?David C23 Aug 2020, 23:05
Re: What time is it?Frank Reed23 Aug 2020, 22:24
Re: What time is it?David C23 Aug 2020, 22:14
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug 2020, 20:30
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug 2020, 16:53
Re: What time is it?Murray Buckman23 Aug 2020, 16:45
Re: Latitude 48 Article Image as CN Piloting ExerciseFrank Reed23 Aug 2020, 16:45
Re: Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug 2020, 16:37
Latitude 48 Article Image as CN Piloting ExerciseGreg Rudzinski23 Aug 2020, 12:22
Re: What time is it?David C23 Aug 2020, 09:03
Re: What time is it?David C23 Aug 2020, 07:54
Re: What time is it?David C23 Aug 2020, 07:42
Re: What time is it?Frank Reed23 Aug 2020, 06:09
Re: What time is it?Frank Reed23 Aug 2020, 05:45
What time is it?David C23 Aug 2020, 04:31
Online Video "Office Hours" tomorrowFrank Reed23 Aug 2020, 02:28
Re: CN and my PhD thesisBruce Cutting23 Aug 2020, 02:00
Re: CN and my PhD thesisBruce Cutting23 Aug 2020, 01:36
Re: CN and my PhD thesisIgor S.22 Aug 2020, 23:03
Re: CN and my PhD thesisIgor S.22 Aug 2020, 22:29
Re: CN and my PhD thesisBruce Cutting22 Aug 2020, 17:34
Re: CN and my PhD thesisFred Hebard22 Aug 2020, 16:06
Re: CN and my PhD thesisBruce J. Pennino22 Aug 2020, 16:02
CN and my PhD thesisIgor S.22 Aug 2020, 08:48
Re: Calibrating New 24MP DSLR Canon Rebel for CNPeter Monta21 Aug 2020, 20:24
Re: Who's that hiding behind Jupiter?David Pike21 Aug 2020, 18:49
Re: Calibrating New 24MP DSLR Canon Rebel for CNGreg Rudzinski21 Aug 2020, 12:41
Re: Who's that hiding behind Jupiter?Murray Buckman20 Aug 2020, 22:34
Who's that hiding behind Jupiter?David Pike20 Aug 2020, 20:47
Re: Calibrating New 24MP DSLR Canon Rebel for CNPeter Monta20 Aug 2020, 12:03
Re: Navigator's Slide RuleCharles McElhill19 Aug 2020, 23:38
Re: Who needs a compass? Who needs a sextant?Don Seltzer19 Aug 2020, 19:35
Re: Navigator's Slide RuleMurray Buckman19 Aug 2020, 19:15
Re: Navigator's Slide RuleDoug Faunt19 Aug 2020, 19:03
Re: Who needs a compass? Who needs a sextant?Hewitt Schlereth19 Aug 2020, 18:44
Calibrating New 24MP DSLR Canon Rebel for CNGreg Rudzinski19 Aug 2020, 18:28
Re: Who needs a compass? Who needs a sextant?Bill Lionheart19 Aug 2020, 17:55
Re: Navigator's Slide RuleDavid Pike19 Aug 2020, 15:38
Hadley Cell AnecdoteMichael Bradley19 Aug 2020, 12:39
Periscopic Sextant Mount Listing--Beware-- UselessRobert Swartz19 Aug 2020, 03:26
Re: Navigator's Slide RuleMurray Buckman19 Aug 2020, 01:27
Re: Who needs a compass? Who needs a sextant?Greg Rudzinski18 Aug 2020, 23:52
Re: Navigator's Slide RuleDavid Pike18 Aug 2020, 21:59
Re: Navigator's Slide RulePeter Monta18 Aug 2020, 21:32
Re: Navigating in Microsoft Flight SimulatorDustin Baenen18 Aug 2020, 15:06
Impressive circumnavigation remembered - Ocean Navigator - Web Exclusives 2016Hewitt Schlereth18 Aug 2020, 15:02
RIP Marvin CreamerDale Lichtblau18 Aug 2020, 14:06
Who needs a compass? Who needs a sextant?Jackson McDonald18 Aug 2020, 13:07
Re: Finding Longitude from LSTSean C18 Aug 2020, 09:28
Re: Navigator's Slide RulePaul Saffo18 Aug 2020, 07:25
Re: Navigator's Slide RuleAlan S18 Aug 2020, 03:16
Re: Average altitude of a celestial sightDavid Fleming18 Aug 2020, 02:06
Re: Average altitude of a celestial sightGreg Rudzinski18 Aug 2020, 00:12
Re: Navigator's Slide RuleSean Johnston17 Aug 2020, 23:23
Re: Average altitude of a celestial sightFrank Reed17 Aug 2020, 22:30
Re: Navigating in Microsoft Flight SimulatorFrank Reed17 Aug 2020, 21:23
Re: Long by Chron - Wikipedia articleDavid C17 Aug 2020, 21:19
Re: Sextant certificate with a graphMurray Buckman17 Aug 2020, 18:03
Re: Finding Longitude from LSTR William McAllister17 Aug 2020, 12:46
Re: Long by Chron - Wikipedia articleGreg Rudzinski17 Aug 2020, 10:38
Re: Average altitude of a celestial sightMichael Bradley17 Aug 2020, 08:19
Re: Sextant certificate with a graphDavid Pike17 Aug 2020, 08:10
Re: Sextant certificate with a graphDavid Pike17 Aug 2020, 07:28
Average altitude of a celestial sightFrank Reed17 Aug 2020, 07:04
Re: Finding Longitude from LSTDuane Smith17 Aug 2020, 05:15
Re: Long by Chron - Wikipedia articleDavid C17 Aug 2020, 03:13
Long by Chron - Wikipedia articleDavid C17 Aug 2020, 03:07
Re: Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleRobert Swartz16 Aug 2020, 22:58
Re: Finding Longitude from LSTSean C16 Aug 2020, 22:53
Re: Finding Longitude from LSTFrank Reed16 Aug 2020, 22:13
Re: Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleDavid C16 Aug 2020, 21:50
Finding Longitude from LSTDuane Smith16 Aug 2020, 21:46
Re: Sextant certificate with a graphDavid C16 Aug 2020, 21:32
Re: Sextant certificate with a graphDavid Pike16 Aug 2020, 19:21
Re: Sextant certificate with a graphFrank Reed16 Aug 2020, 19:10
Re: Sextant certificate with a graphDavid Pike16 Aug 2020, 19:06
Sextant certificate with a graphFrank Reed16 Aug 2020, 15:55
Re: Online Video "Office Hours" tomorrowFrank Reed16 Aug 2020, 01:37
Bausch and Lomb A8-A Reconditioned Bubble Sextant For SaleRobert Swartz15 Aug 2020, 03:04
Re: AH Level?Alan S13 Aug 2020, 15:07
Interesting US Navy EquipmentRobert Swartz13 Aug 2020, 02:18
Re: AH Level?Peter Monta12 Aug 2020, 05:21
Bausch and Lomb AN5854-1 Reconditioned Aircraft Sextant For SaleRobert Swartz12 Aug 2020, 01:28
Re: Moon Rise - I'm Missing SomethingDavid C10 Aug 2020, 23:01
Re: Moon Rise - I'm Missing SomethingDavid Pike10 Aug 2020, 21:51
Re: Moon Rise - I'm Missing SomethingGreg Rudzinski10 Aug 2020, 21:38
Re: Quantum Sensors in Navigation - Free Webinar Monday 10th AugustDavid Pike10 Aug 2020, 21:29
Re: Quantum Sensors in Navigation - Free Webinar Monday 10th AugustBill Lionheart10 Aug 2020, 19:30
Re: Moon Rise - I'm Missing SomethingFrank Reed10 Aug 2020, 18:54
Moon Rise - I'm Missing SomethingBruce J. Pennino10 Aug 2020, 17:33
Re: Navigation TablesPaul Bedel10 Aug 2020, 08:32
Re: Navigation TablesDavid C10 Aug 2020, 03:10
Re: Navigation TablesFrank Reed9 Aug 2020, 21:06
Re: Navigation TablesDavid C9 Aug 2020, 20:01
Navigation TablesPaul Bedel9 Aug 2020, 14:46
Quantum Sensors in Navigation - Free Webinar Monday 10th AugustDavid Pike9 Aug 2020, 14:03
Re: Latitude by photoGreg Rudzinski9 Aug 2020, 02:45
Re: Latitude by photoFrank Reed9 Aug 2020, 02:23
Looking for Kollsman MA-2 sextant in working orderChuck Killian9 Aug 2020, 01:39
Re: Latitude by photoPaul Saffo9 Aug 2020, 00:03
Re: NavList/ReedNavigation.com "Office Hours" tomorrowFrank Reed8 Aug 2020, 23:27
Re: Latitude by photoFrank Reed8 Aug 2020, 18:21
Re: Latitude by photoPaul Saffo8 Aug 2020, 18:11
Re: AH Level?Noell Wilson8 Aug 2020, 14:35
Re: Latitude by photoPaul Saffo8 Aug 2020, 06:10
Re: AH Level?Bruce J. Pennino8 Aug 2020, 03:08
Re: AH Level?Marty Lyons8 Aug 2020, 02:37
Re: Latitude by photoGreg Rudzinski8 Aug 2020, 00:46
Re: Latitude by photoFrank Reed8 Aug 2020, 00:30
Re: AH Level?Frank Reed7 Aug 2020, 23:04
Re: Latitude by photoGreg Rudzinski7 Aug 2020, 23:02
Re: AH Level?David C7 Aug 2020, 21:46
AH Level?Noell Wilson7 Aug 2020, 20:42
Re: Latitude by photoFrank Reed7 Aug 2020, 20:16
Re: Latitude by photoRobin Stuart7 Aug 2020, 17:15
Re: Latitude by photoGreg Rudzinski7 Aug 2020, 13:42
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Murray Felstead7 Aug 2020, 11:45
Royal Geographical Society talk: 8 Oct 2020Bob Crawley7 Aug 2020, 07:13
Latitude by photoFrank Reed7 Aug 2020, 06:18
Re: Expensive toysBill Morris5 Aug 2020, 09:12
Nautical Almanac 1786Frank Reed4 Aug 2020, 19:52
Re: Bobby Schenk's Golden SextantDale Lichtblau4 Aug 2020, 18:26
Re: Expensive toysFrank Reed4 Aug 2020, 18:20
Re: Expensive toysDavid Pike4 Aug 2020, 10:48
Re: Expensive toysHewitt Schlereth3 Aug 2020, 21:11
Bobby Schenk's Golden SextantLuc Van den Borre3 Aug 2020, 14:40
Re: RCC's log archiveDavid C3 Aug 2020, 05:49
SpaceX views from an old British aircraftFrank Reed2 Aug 2020, 19:12
RCC's log archiveBill Lionheart2 Aug 2020, 11:35
Pre Hurricane LunarGreg Rudzinski2 Aug 2020, 06:17
NavList/ReedNavigation.com "Office Hours" tomorrowFrank Reed2 Aug 2020, 03:32
Re: Expensive toysTom Sult1 Aug 2020, 23:34
Expensive toysFrank Reed1 Aug 2020, 23:03
Re: Celestial Navigation Exercises and Plotting SheetsSean C1 Aug 2020, 00:03
Re: Celestial Navigation Exercises and Plotting SheetsMichael Cain31 Jul 2020, 23:34
Re: Celestial Navigation Exercises and Plotting SheetsIgor S.31 Jul 2020, 21:49
Re: Amazon to launch 3000 communication satellitesJackson McDonald31 Jul 2020, 21:05
Re: Celestial Navigation Exercises and Plotting SheetsDustin Baenen31 Jul 2020, 20:07
Amazon to launch 3000 communication satellitesDavid Pike31 Jul 2020, 19:58
Re: Celestial Navigation Exercises and Plotting SheetsGreg Rudzinski31 Jul 2020, 19:53
Re: Air Almanac 2020 full pdf now available...Richard Holmes31 Jul 2020, 16:12
Celestial Navigation Exercises and Plotting SheetsSimon T31 Jul 2020, 12:07
Re: The History of Celestial Navigation (2020)David C31 Jul 2020, 05:46
Re: The History of Celestial Navigation (2020)George Kaplan31 Jul 2020, 00:42
Re: Plotting sheetsGreg Rudzinski30 Jul 2020, 21:44
Plotting sheetsThomas J. Murphy30 Jul 2020, 00:58
Maskelyne and lunar distanceDucruy Jacques30 Jul 2020, 15:58
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul 2020, 06:59
Re: The History of Celestial Navigation (2020)Frank Reed30 Jul 2020, 06:47
Re: The History of Celestial Navigation (2020)George Kaplan30 Jul 2020, 02:08
Re: Hybrid artificial horizonRobin Stuart29 Jul 2020, 14:13
Re: The History of Celestial Navigation (2020)Richard B. Langley29 Jul 2020, 13:37
Re: The History of Celestial Navigation (2020)Bill Lionheart29 Jul 2020, 12:16
Re: Hybrid artificial horizonPaul Dolkas29 Jul 2020, 03:24
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul 2020, 20:48
Re: Oblate or Prolate...?Dale Lichtblau28 Jul 2020, 20:45
Re: The History of Celestial Navigation (2020)James F Campbell28 Jul 2020, 19:41
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul 2020, 15:52
Re: Hybrid artificial horizonRobin Stuart28 Jul 2020, 12:55
Longitude by Equal AltitudesRobin Stuart28 Jul 2020, 12:25
Re: The History of Celestial Navigation (2020)Geoffrey Kolbe28 Jul 2020, 08:27
Re: Kids and the planetsDavid C28 Jul 2020, 07:27
Re: The History of Celestial Navigation (2020)Bill Lionheart28 Jul 2020, 07:24
Re: Kids and the planetsBruce J. Pennino28 Jul 2020, 04:20
Info on Bubble SextantsRobert Swartz28 Jul 2020, 03:44
Excel AlmanacSean C28 Jul 2020, 03:33
Re: Kids and the planetsDavid C28 Jul 2020, 02:51
Re: The History of Celestial Navigation (2020)Dale Lichtblau28 Jul 2020, 00:32
Re: Kids and the planetsDavid C27 Jul 2020, 21:19
Re: Venus in daylight this weekDavid C27 Jul 2020, 20:16
Kids and the planetsDavid Pike27 Jul 2020, 12:01
Re: Hybrid artificial horizonDavid Pike27 Jul 2020, 11:34
The History of Celestial Navigation (2020)Igor S.27 Jul 2020, 09:14
Re: Venus in daylight this weekDavid C27 Jul 2020, 06:10
Venus in daylight this weekFrank Reed27 Jul 2020, 04:18
Re: Hybrid artificial horizonPeter Monta27 Jul 2020, 02:29
Re: Hybrid artificial horizonDavid C26 Jul 2020, 21:26
"Office Hours" in two hoursFrank Reed26 Jul 2020, 20:51
Re: One of Hewitt Schlereth's books just got plugged on YouTube.Hewitt Schlereth26 Jul 2020, 19:57
Re: Hybrid artificial horizonPeter Monta26 Jul 2020, 18:40
Re: Hybrid artificial horizonDavid C26 Jul 2020, 05:02
Re: Hybrid artificial horizonDavid C26 Jul 2020, 03:31
Re: Burton's Nautical TablesDavid C26 Jul 2020, 03:07
Re: Hybrid artificial horizonFred Hebard25 Jul 2020, 21:28
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 20:49
Re: More Cocked HatsGeorge Kaplan25 Jul 2020, 20:31
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 19:50
Re: Hybrid artificial horizonPeter Monta25 Jul 2020, 17:59
Re: Hybrid artificial horizonPeter Monta25 Jul 2020, 17:48
Re: Hybrid artificial horizonGreg Rudzinski25 Jul 2020, 13:30
Re: Making an artificial horizonGary LaPook25 Jul 2020, 06:12
One of Hewitt Schlereth's books just got plugged on YouTube.Robert VanderPol II25 Jul 2020, 03:17
Re: Making an artificial horizonAlan S25 Jul 2020, 02:54
Re: Hybrid artificial horizonGreg Rudzinski24 Jul 2020, 22:26
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul 2020, 20:29
Re: Hybrid artificial horizonPeter Monta24 Jul 2020, 19:07
Re: Essay: Navigating by the Heavens...Greg Rudzinski24 Jul 2020, 12:34
Re: Essay: Navigating by the Heavens...Andy Schell23 Jul 2020, 23:09
Re: Hybrid artificial horizonAlan S23 Jul 2020, 21:17
Re: Hybrid artificial horizonGreg Rudzinski23 Jul 2020, 20:37
Re: Hybrid artificial horizonAlan S23 Jul 2020, 18:22
Re: Essay: Navigating by the Heavens...Greg Rudzinski22 Jul 2020, 18:37
Re: Essay: Navigating by the Heavens...Frank Reed22 Jul 2020, 17:37
A method for darkening glassIgor S.22 Jul 2020, 08:35
Re: Comet NeowiseGreg Rudzinski22 Jul 2020, 01:02
Essay: Navigating by the Heavens...Frank Reed21 Jul 2020, 21:35
Online WorkshopsFrank Reed21 Jul 2020, 21:34
Re: Comet NeowiseDavid Pike21 Jul 2020, 10:05
Re: Comet NeowiseDavid Pike21 Jul 2020, 09:03
Re: Dip Short DSLR Camera CN SunFrank Reed21 Jul 2020, 03:03
Re: Dip Short DSLR Camera CN SunDavid C21 Jul 2020, 03:01
Re: Dip Short DSLR Camera CN SunDavid C21 Jul 2020, 02:30
NavList Hams: Longitude by WireDale Lichtblau21 Jul 2020, 01:18
Re: Comet NeowiseBruce Cutting21 Jul 2020, 01:14
Re: Comet NeowiseGreg Rudzinski21 Jul 2020, 00:48
Re: Comet NeowiseDavid Pike20 Jul 2020, 23:56
Re: Dip Short DSLR Camera CN SunDavid C20 Jul 2020, 22:26
Oblate or Prolate...?Dale Lichtblau20 Jul 2020, 20:04
Re: Hybrid artificial horizonGreg Rudzinski20 Jul 2020, 16:14
Re: Plot Sheet GeneratorAndrés Ruiz20 Jul 2020, 13:38
Re: Hybrid artificial horizonDave Walden20 Jul 2020, 11:39
Re: Hybrid artificial horizonGary LaPook20 Jul 2020, 10:10
Re: Hybrid artificial horizonWolfgang Hasper20 Jul 2020, 10:07
Re: Hybrid artificial horizonGreg Rudzinski20 Jul 2020, 02:27
Online "Office Hours" in one hourFrank Reed19 Jul 2020, 22:02
Re: A second Chinese sextant?Robert Goldberg19 Jul 2020, 21:54
Re: Dip Short DSLR Camera CN SunFrank Reed19 Jul 2020, 21:23
Hybrid artificial horizonPeter Monta19 Jul 2020, 18:43
Dip Short DSLR Camera CN SunGreg Rudzinski19 Jul 2020, 14:36
Re: Sextant practice on the space stationTibor Miseta19 Jul 2020, 12:02
Re: More Cocked HatsBill Lionheart19 Jul 2020, 09:58
Re: More Cocked HatsSivan Toledo19 Jul 2020, 08:42
Re: More Cocked HatsDavid Pike19 Jul 2020, 07:48
Re: Sextant practice on the space stationFrank Reed19 Jul 2020, 06:13
Re: Sextant practice on the space stationSean C19 Jul 2020, 04:30
Sextant practice on the space stationFrank Reed19 Jul 2020, 00:40
Re: Moon Venus Camera LunarDoug MacPherson19 Jul 2020, 00:19
Re: RAF O6a CompassDavid Pike18 Jul 2020, 21:21
Re: RAF O6a CompassDavid Pike18 Jul 2020, 20:49
Re: Moon Venus Camera LunarHewitt Schlereth18 Jul 2020, 18:34
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S18 Jul 2020, 16:56
Re: RAF O6a CompassWilliam Edward Henry18 Jul 2020, 16:12
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Jul 2020, 16:09
Re: Navigator's Slide RuleSean Johnston18 Jul 2020, 14:50
Re: RAF O6a CompassPeter Smith18 Jul 2020, 14:22
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul 2020, 13:03
Re: Backstaff washed up on the beachGreg Rudzinski18 Jul 2020, 12:41
More Cocked HatsBill Lionheart18 Jul 2020, 07:59
Re: Backstaff washed up on the beachFrank Reed18 Jul 2020, 05:28
Backstaff washed up on the beachJosh Paterson18 Jul 2020, 04:55
Re: Plot Sheet GeneratorJames F Campbell17 Jul 2020, 19:14
Re: C Plath sextant, missing partFrank DeWald17 Jul 2020, 18:04
Re: NavList HamsGary LaPook17 Jul 2020, 17:46
Re: Slide Rule Emulators relocatedGary LaPook17 Jul 2020, 17:44
Re: Latitude by two stars observed simultaneouslyFrank DeWald17 Jul 2020, 17:25
Re: Moon Venus Camera LunarGreg Rudzinski17 Jul 2020, 15:28
WEBINAR: Demystifying Contact Tracing AppsDavid Pike17 Jul 2020, 13:36
Moon Venus Camera LunarGreg Rudzinski17 Jul 2020, 12:54
RAF O6a CompassDavid Pike17 Jul 2020, 12:01
Re: NavList HamsEd Popko17 Jul 2020, 11:00
Re: Plot Sheet GeneratorEd Popko17 Jul 2020, 10:45
Re: Venus in daylight this monthRafael C. Caruso16 Jul 2020, 23:45
Re: M.F. Maury and the progress of historyAlan S16 Jul 2020, 22:08
Re: Astron relocatedFrank Reed16 Jul 2020, 21:48
Astron relocatedBill Ritchie16 Jul 2020, 21:36
Slide Rule Emulators relocatedBill Ritchie16 Jul 2020, 21:20
Re: M.F. Maury and the progress of historyHewitt Schlereth16 Jul 2020, 20:28
Re: Venus in daylight this monthDustin Baenen15 Jul 2020, 21:44
Re: Venus in daylight this monthDavid C15 Jul 2020, 21:15
Re: M.F. Maury and the progress of historyBill B15 Jul 2020, 20:06
Re: Venus in daylight this monthDoug Faunt15 Jul 2020, 18:34
Re: Venus in daylight this monthFrank Reed15 Jul 2020, 07:32
Re: M.F. Maury and the progress of historyMichael Bradley15 Jul 2020, 06:23
Re: Venus in daylight this monthDavid C15 Jul 2020, 05:14
Re: Venus in daylight this monthDavid C15 Jul 2020, 04:56
Re: M.F. Maury and the progress of historyHewitt Schlereth14 Jul 2020, 22:45
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell14 Jul 2020, 22:21
Re: NavList HamsDoug Faunt14 Jul 2020, 20:51
Re: M.F. Maury and the progress of historyFrancis Upchurch14 Jul 2020, 20:28
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S14 Jul 2020, 20:27
Re: M.F. Maury and the progress of historyDale Lichtblau14 Jul 2020, 19:30
Re: NavList HamsDale Lichtblau14 Jul 2020, 18:48
Re: Venus in daylight this monthDavid Pike14 Jul 2020, 18:29
Re: Venus in daylight this monthGreg Rudzinski14 Jul 2020, 17:07
Re: Venus in daylight this monthFrank Reed14 Jul 2020, 16:30
Re: Venus in daylight this monthGreg Rudzinski14 Jul 2020, 12:45
Re: Venus in daylight this monthDavid Pike14 Jul 2020, 07:49
Re: M.F. Maury and the progress of historySean C14 Jul 2020, 07:47
Re: M.F. Maury and the progress of historyGary LaPook14 Jul 2020, 06:55
M.F. Maury and the progress of historyFrank Reed14 Jul 2020, 06:33
Re: Navigator's Slide RuleFrank Reed14 Jul 2020, 03:38
Re: Venus in daylight this monthDavid C13 Jul 2020, 19:11
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook13 Jul 2020, 18:34
Re: Navigator's Slide RuleBob Goethe13 Jul 2020, 16:28
Re: Navigator's Slide RuleBob Goethe13 Jul 2020, 16:26
Re: Navigator's Slide RuleBob Peterson13 Jul 2020, 13:50
Re: Navigator's Slide RuleBill Ritchie13 Jul 2020, 08:32
Re: Longitude by unequal altitudes - BrentDavid C13 Jul 2020, 05:30
Re: Navigator's Slide RuleDoug Faunt13 Jul 2020, 02:59
First Surface Mirror Modification for Davis Artificial HorizonGreg Rudzinski13 Jul 2020, 00:21
Re: Spare parts for Mark IX sextantHewitt Schlereth12 Jul 2020, 23:54
Re: NavList HamsDoug Faunt12 Jul 2020, 23:54
Re: Navigator's Slide RuleAlan S12 Jul 2020, 22:17
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Robert Swartz12 Jul 2020, 21:10
Comet NeowiseFrank Reed12 Jul 2020, 20:37
Re: Navigator's Slide RuleBob Goethe12 Jul 2020, 19:44
Re: Looking for Aviation sextant to buy - prefer periscopic pendulum design.Ken Gebhart12 Jul 2020, 18:05
Re: Navigator's Slide RuleAlan S12 Jul 2020, 16:58
Re: Navigator's Slide RuleBruce Cutting12 Jul 2020, 16:36
Re: Navigator's Slide RuleJohn Carbone12 Jul 2020, 16:11
Spare parts for Mark IX sextantDean Tetley12 Jul 2020, 07:01
Re: Sun over Abu SimbelDale Lichtblau12 Jul 2020, 13:58
Re: NavList HamsDale Lichtblau12 Jul 2020, 13:41
Re: Harold Gatty's KamalDale Lichtblau12 Jul 2020, 13:28
Re: Navigator's Slide RuleHahns Burg12 Jul 2020, 13:19
Re: Trouble solving for spherical triangleHahns Burg12 Jul 2020, 12:21
Re: Navigator's Slide RuleAlberto Najar12 Jul 2020, 10:10
Re: Navigator's Slide RuleAlan S12 Jul 2020, 04:07
Re: Trouble solving for spherical triangleFrank Reed12 Jul 2020, 03:43
Looking for Aviation sextant to buy - prefer periscopic pendulum design.Tom Cordell12 Jul 2020, 03:00
Trouble solving for spherical triangleHahns Burg11 Jul 2020, 23:36
Re: Online Meetings SundayFrank Reed11 Jul 2020, 17:00
Re: Navigator's Slide RuleBob Goethe11 Jul 2020, 15:49
Re: Navigator's Slide RuleSean Johnston11 Jul 2020, 14:52
Bausch & Lomb A8-A Sextant For SaleRobert Swartz11 Jul 2020, 03:12
Re: Plot Sheet GeneratorDale Lichtblau10 Jul 2020, 21:29
Navigator's Slide RuleMurray Felstead10 Jul 2020, 05:47
Re: Plot Sheet GeneratorSean C9 Jul 2020, 22:08
Plot Sheet GeneratorJames F Campbell9 Jul 2020, 18:08
Sun over Abu SimbelFrank Reed9 Jul 2020, 14:59
Re: Online Meetings SundayDavid Pike8 Jul 2020, 21:00
Re: Longitude by unequal altitudes - BrentLars Bergman7 Jul 2020, 15:08
Re: Longitude by unequal altitudes - BrentDavid C7 Jul 2020, 04:53
Re: Longitude by unequal altitudes - BrentFrank Reed7 Jul 2020, 04:30
Re: Longitude by unequal altitudes - BrentDavid C7 Jul 2020, 02:53
Re: Longitude by unequal altitudes - BrentLars Bergman6 Jul 2020, 09:42
Re: Online Meetings SundayDavid C6 Jul 2020, 03:20
Longitude by unequal altitudes - BrentDavid C6 Jul 2020, 03:14
Re: Online Meetings SundayDoug Faunt6 Jul 2020, 02:44
Re: Online Meetings SundayFrank Reed6 Jul 2020, 01:49
Re: Online Meetings SundayDavid Pike5 Jul 2020, 20:56
Re: Online Meetings SundayFrank Reed5 Jul 2020, 20:25
Re: Online Meetings SundayFrank Reed5 Jul 2020, 04:50
Re: Online Meetings SundaySean C5 Jul 2020, 04:49
Re: Online Meetings SundayDavid C5 Jul 2020, 04:02
Re: Online Meetings SundayFrank Reed4 Jul 2020, 23:41
Lunar Eclipse non-eventFrank Reed4 Jul 2020, 22:27
Re: Timex Iron Man Watch=kaputCharles McElhill4 Jul 2020, 13:11
Re: Timex Iron Man Watch=kaputAlan S4 Jul 2020, 02:47
Re: Timex Iron Man Watch=kaputDoug Faunt3 Jul 2020, 19:57
Re: Timex Iron Man Watch=kaputBill Lionheart3 Jul 2020, 08:46
Online Meetings SundayFrank Reed3 Jul 2020, 03:12
Re: Timex Iron Man Watch=kaputLu Abel3 Jul 2020, 03:06
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 23:25
Re: Timex Iron Man Watch=kaputAlan S2 Jul 2020, 22:51
Venus in daylight this monthFrank Reed2 Jul 2020, 22:50
Re: Timex Iron Man Watch=kaputRobert VanderPol II2 Jul 2020, 22:12
Re: Burton's Nautical TablesDavid C2 Jul 2020, 22:04
Re: Burton's Nautical TablesWilliam Edward Henry2 Jul 2020, 21:15
Burton's Nautical TablesLars Bergman2 Jul 2020, 20:16
Re: Timex Iron Man Watch=kaputLu Abel2 Jul 2020, 19:38
Re: Timex Iron Man Watch=kaputAlan S2 Jul 2020, 17:16
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 15:44
Re: Timex Iron Man Watch=kaputLu Abel2 Jul 2020, 15:43
Re: Timex Iron Man Watch=kaputGreg Rudzinski2 Jul 2020, 14:49
Timex Iron Man Watch=kaputBruce J. Pennino1 Jul 2020, 22:08
Re: A ramble on "new improved methods"Brian Walton1 Jul 2020, 21:05
Re: A ramble on "new improved methods"Greg Rudzinski1 Jul 2020, 12:17
Re: A ramble on "new improved methods"Brian Walton1 Jul 2020, 05:26
Re: A ramble on "new improved methods"David C30 Jun 2020, 22:25
Re: A ramble on "new improved methods"Frank Reed30 Jun 2020, 21:35
Re: A ramble on "new improved methods"David C30 Jun 2020, 20:43
Re: A ramble on "new improved methods"Greg Rudzinski30 Jun 2020, 14:52
Re: A ramble on "new improved methods"Brian Walton30 Jun 2020, 03:35
Re: A ramble on "new improved methods"David C29 Jun 2020, 21:02
Re: A ramble on "new improved methods"Greg Rudzinski29 Jun 2020, 12:40
Re: A ramble on "new improved methods"David C28 Jun 2020, 20:12
Re: Sextant Collimation ErrorDavid Pike28 Jun 2020, 16:47
Re: Sextant Collimation ErrorDavid Pike28 Jun 2020, 15:13
Re: A ramble on "new improved methods"Greg Rudzinski28 Jun 2020, 13:02
Re: A-10 Sextant Maintenance ManualBill Morris28 Jun 2020, 05:01
A ramble on "new improved methods"David C28 Jun 2020, 04:52
Re: Sextant Collimation ErrorFrank Reed28 Jun 2020, 04:52
Re: Sextant Collimation ErrorPeter Monta28 Jun 2020, 02:36
Re: Sextant Collimation ErrorDavid Pike27 Jun 2020, 10:31
Re: Beginning celestial navigation methodAl Stewart26 Jun 2020, 16:10
Re: Sextant Collimation ErrorGreg Rudzinski26 Jun 2020, 13:54
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun 2020, 07:48
Re: A-10 Sextant Maintenance ManualGary LaPook26 Jun 2020, 07:40
Flat Earth?Bob Crawley26 Jun 2020, 06:37
Re: Sextant Collimation ErrorFrank Reed26 Jun 2020, 06:21
Re: Sextant Collimation ErrorPeter Monta26 Jun 2020, 03:35
Re: Sextant Collimation ErrorDavid Pike25 Jun 2020, 23:14
Ares at AriesFrank Reed25 Jun 2020, 22:26
Re: Sextant Collimation ErrorDavid Pike25 Jun 2020, 16:34
Re: A-10 Sextant Maintenance ManualBrian Holmes25 Jun 2020, 15:12
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun 2020, 14:34
Re: Webinar – When GNSS fails, what will you do? Marrinav!David Pike25 Jun 2020, 10:56
Re: Navigation Library for sale (K Gebhart)Sean C25 Jun 2020, 07:26
Re: Ex-Meridian Sight using InmansBill Lionheart25 Jun 2020, 07:20
Fun stuff referring to the Prime MeridianDoug Faunt24 Jun 2020, 21:21
Re: Ex-Meridian Sight using InmansMike Burkes24 Jun 2020, 19:39
Re: Corporal Sadler SAS: Desert NavigationBill Lionheart24 Jun 2020, 18:08
Re: Corporal Sadler SAS: Desert NavigationDoug Faunt24 Jun 2020, 17:04
Corporal Sadler SAS: Desert NavigationFrancis Upchurch24 Jun 2020, 16:17
Re: Time and placeLars Bergman24 Jun 2020, 08:40
Re: Ball Drop SextantVicente Botella24 Jun 2020, 08:17
Bermuda Race: Exciting finish this yearFrank Reed24 Jun 2020, 00:47
Re: Hughes & Son's Sextant - General InfoBill Morris23 Jun 2020, 22:26
Re: Ball Drop SextantDave Walden23 Jun 2020, 20:55
Re: Time and placeDave Walden23 Jun 2020, 20:50
Re: Ball Drop SextantJürgen Hoefeld23 Jun 2020, 19:46
Ball Drop SextantVicente Botella23 Jun 2020, 16:21
Re: Time and placeLars Bergman23 Jun 2020, 14:39
Re: Sun's Gender (United Kingdom 1835)Doug MacPherson23 Jun 2020, 03:39
Hughes & Son's Sextant - General InfoAdrian Bevan22 Jun 2020, 14:39
Re: Sun's GenderGeoffrey Kolbe22 Jun 2020, 08:03
Re: Sun's GenderFrank Reed22 Jun 2020, 02:19
Re: Sun's GenderSean C21 Jun 2020, 20:41
Webinar – When GNSS fails, what will you do? Marrinav!David Pike21 Jun 2020, 19:29
Re: Sun's GenderDoug Faunt21 Jun 2020, 17:52
Re: Sun's GenderBill Lionheart21 Jun 2020, 15:14
Sun's GenderDavid C21 Jun 2020, 07:08
Re: Winter Solstice and a Moon EclipseDavid C21 Jun 2020, 06:51
Re: Winter Solstice and a Moon EclipseDavid C21 Jun 2020, 06:49
Winter Solstice and a Moon EclipseDavid C21 Jun 2020, 01:33
Re: My sextant repairBill Morris20 Jun 2020, 21:51
Online Celestial Navigation WorkshopsFrank Reed20 Jun 2020, 20:51
Re: Time and placeDave Walden20 Jun 2020, 19:14
Re: My sextant repairGeoffrey Kolbe20 Jun 2020, 18:56
Re: My sextant repairBill Morris20 Jun 2020, 05:29
Re: Sextant handle electric system, out of serviceAlan S20 Jun 2020, 00:24
Re: Sextant handle electric system, out of serviceManuel Acosta19 Jun 2020, 04:02
Re: Comedy on the Greenwich MeridianBill Ritchie18 Jun 2020, 14:36
Re: Sextant handle electric system, out of serviceDiego Melas18 Jun 2020, 12:42
Re: My sextant repairDavid Pike18 Jun 2020, 09:40
Sextant handle electric system, out of serviceManuel Acosta17 Jun 2020, 22:51
My sextant repairJohn Fosh17 Jun 2020, 16:06
Re: Celestaire Astra IIIB backlashDouglas Stephen16 Jun 2020, 19:24
Re: Comedy on the Greenwich MeridianDavid Fleming16 Jun 2020, 18:35
Re: Free webinar GNSS SupercorrelationDavid Pike16 Jun 2020, 09:36
Re: Comedy on the Greenwich MeridianDavid C16 Jun 2020, 05:48
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun 2020, 04:51
Re: Comedy on the Greenwich MeridianPeter Monta16 Jun 2020, 04:40
Re: Comedy on the Greenwich MeridianDoug Faunt16 Jun 2020, 04:33
Re: Comedy on the Greenwich MeridianFrancis Upchurch16 Jun 2020, 04:09
Comedy on the Greenwich MeridianFrank Reed16 Jun 2020, 02:41
Re: Celestaire Astra IIIB backlashPaul Hirose15 Jun 2020, 19:48
Re: Celestaire Astra IIIB backlashGeoffrey Kolbe15 Jun 2020, 15:11
Re: Celestaire Astra IIIB backlashDouglas Stephen15 Jun 2020, 13:01
Re: Celestaire Astra IIIB backlashPeter Monta14 Jun 2020, 21:23
Celestaire Astra IIIB backlashDouglas Stephen14 Jun 2020, 17:30
Re: Ex-Meridian Sight using InmansGreg Rudzinski14 Jun 2020, 14:16
Re: Ex-Meridian Sight using InmansDavid C14 Jun 2020, 05:34
Re: A-8A Aircraft SextantMike Prokop13 Jun 2020, 01:15
Re: EOT Will Change Sign In Thirteen Hours TimeAndrés Ruiz12 Jun 2020, 06:17
EOT Will Change Sign In Thirteen Hours TimeDavid C12 Jun 2020, 03:20
Re: Free webinar GNSS SupercorrelationDavid Pike11 Jun 2020, 18:30
Re: Ex-Meridian Sight using InmansDavid C11 Jun 2020, 04:54
Re: Free webinar GNSS SupercorrelationPeter Monta11 Jun 2020, 02:40
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun 2020, 20:30
Re: Ex-Meridian Sight using InmansDavid C10 Jun 2020, 20:08
Re: Ex-Meridian Sight using InmansFrank Reed10 Jun 2020, 19:54
Re: Ex-Meridian Sight using InmansDavid C10 Jun 2020, 19:45
Re: Ww2 A-8 octantGary LaPook10 Jun 2020, 18:25
Ww2 A-8 octantRich K10 Jun 2020, 17:35
Re: Ex-Meridian Sight using InmansGreg Rudzinski10 Jun 2020, 17:27
Ex-Meridian Sight using InmansDavid C10 Jun 2020, 10:01
Navwords crossword (1975)Frank Reed9 Jun 2020, 20:26
Wild legends of Nathaniel BowditchFrank Reed9 Jun 2020, 20:22
Re: Celestial in the thin air!Frank Reed9 Jun 2020, 19:10
Free webinar GNSS SupercorrelationDavid Pike9 Jun 2020, 18:02
Re: Celestial in the thin air!Alexander Duytschaever9 Jun 2020, 09:09
Re: Celestial in the thin air!Alexander Duytschaever9 Jun 2020, 09:04
Re: Mark III plastic sextantPeter Monta7 Jun 2020, 00:44
Re: Mark III plastic sextantGreg Rudzinski6 Jun 2020, 21:18
Mark III plastic sextantS. Velasquez6 Jun 2020, 21:07
Re: Celestial in the thin air!Bob Crawley6 Jun 2020, 08:36
Re: Celestial in the thin air!Frank Reed5 Jun 2020, 20:27
Re: Celestial in the thin air!S. Velasquez5 Jun 2020, 19:18
Re: Celestial in the thin air!Gary LaPook5 Jun 2020, 18:22
Re: Celestial in the thin air!Michael Jones5 Jun 2020, 15:03
Re: Celestial in the thin air!Michael Jones5 Jun 2020, 14:57
Re: Celestial in the thin air!Andrés Ruiz5 Jun 2020, 07:01
Celestial in the thin air!S. Velasquez5 Jun 2020, 04:34
Re: USNO Nav. Star Chart how Old?Frank Reed3 Jun 2020, 21:17
Re: Navigation system failureFrank Reed3 Jun 2020, 20:49
USNO Nav. Star Chart how Old?Herman Dekker3 Jun 2020, 20:36
Re: E.O.T. for 2020Frank Reed3 Jun 2020, 04:30
Re: E.O.T. for 2020Antoine Couëtte2 Jun 2020, 14:46
Re: Navigation system failureBill Lionheart1 Jun 2020, 21:41
Re: E.O.T. for 2020Peter Hakel1 Jun 2020, 02:31
Re: E.O.T. for 2020Ron Jones31 May 2020, 18:06
Navigation system failureBob Goethe31 May 2020, 12:33
Re: E.O.T. for 2020Bob Goethe30 May 2020, 20:36
Re: E.O.T. for 2020Frank Reed30 May 2020, 19:14
Re: Automated celnav in the newsDavid Pike30 May 2020, 19:10
E.O.T. for 2020Bob Goethe30 May 2020, 18:17
Automated celnav in the newsBill Lionheart30 May 2020, 15:30
Re: Some pop culture sextantsSean C30 May 2020, 10:31
Re: Parallax in azimuthRobin Stuart29 May 2020, 20:27
Re: Parallax in azimuthPaul Hirose29 May 2020, 19:20
Re: Time and placeLars Bergman29 May 2020, 08:03
Re: Sights with just azimuthDavid Pike29 May 2020, 07:47
Re: Parallax in azimuthAntoine Couëtte29 May 2020, 06:35
Re: Time and placeLars Bergman28 May 2020, 19:04
Re: Parallax in azimuthRobin Stuart28 May 2020, 15:29
Re: Lunar distance method of ChauvenetAntoine Couëtte28 May 2020, 09:39
Re: Lunar distance method of ChauvenetPaul Hirose26 May 2020, 19:07
Re: Lunar distance method of ChauvenetRoger W. Sinnott26 May 2020, 11:37
Lunar distance method of ChauvenetPaul Hirose26 May 2020, 04:59
Time and placeDave Walden26 May 2020, 01:10
Re: Parallax in azimuthRobin Stuart25 May 2020, 18:48
Re: Parallax in azimuthAndrés Ruiz25 May 2020, 16:12
Re: Parallax in azimuthPeter Monta25 May 2020, 08:13
Re: Janet Taylor octantWolfgang Köberer25 May 2020, 07:21
Re: Parallax in azimuthFrank Reed25 May 2020, 03:17
Re: Parallax in azimuthAntoine Couëtte24 May 2020, 20:34
Re: Parallax in azimuthDavid Pike24 May 2020, 20:30
Parallax in azimuthDave Walden24 May 2020, 16:49
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May 2020, 15:47
Re: Janet Taylor octantNed Lloyd24 May 2020, 13:23
Re: ADMIN: The 21st Century Awaits...David Pike24 May 2020, 13:18
Re: ADMIN: The 21st Century Awaits...Bill Lionheart24 May 2020, 11:15
Re: Sestrel sextant thoughts?Antoine Couëtte24 May 2020, 07:18
Re: Janet Taylor octantFrank Reed24 May 2020, 04:43
Re: Sestrel sextant thoughts?Alexandre Eremenko24 May 2020, 02:19
Re: Janet Taylor octantDoug Faunt24 May 2020, 01:58
Re: Sestrel sextant thoughts?Ned Lloyd24 May 2020, 01:51
Re: ADMIN: The 21st Century Awaits...Tom Sult24 May 2020, 00:48
ADMIN: The 21st Century Awaits...Frank Reed24 May 2020, 00:15
Janet Taylor octantNed Lloyd23 May 2020, 19:30
Re: Sestrel sextant thoughts?Ned Lloyd23 May 2020, 18:40
Re: Sestrel sextant thoughts?Antoine Couëtte23 May 2020, 11:17
Re: Sights with just azimuthAndrés Ruiz23 May 2020, 10:07
Re: Sights with just azimuthAndrés Ruiz23 May 2020, 09:57
Re: Sestrel sextant thoughts?Michael Bradley23 May 2020, 09:16
Re: Sights with just azimuthDavid Pike23 May 2020, 08:45
Re: Sestrel sextant thoughts?Alexandre Eremenko23 May 2020, 04:42
Sestrel sextant thoughts?Ned Lloyd23 May 2020, 03:28
Re: Lunar distance parallactic retardationAntoine Couëtte22 May 2020, 19:10
Sights with just azimuthBill Lionheart22 May 2020, 19:06
Re: Position from altitude and azimuth.Robin Stuart22 May 2020, 18:12
Re: Equal Azimuth LinesAndrés Ruiz21 May 2020, 18:28
Re: Position from altitude and azimuth.David Pike21 May 2020, 17:46
Re: Position from altitude and azimuth.Bill Lionheart21 May 2020, 16:25
Re: Position from altitude and azimuth.Robin Stuart21 May 2020, 15:47
Re: Position from altitude and azimuth.David Pike20 May 2020, 19:43
Re: Position from altitude and azimuth.Frank Reed20 May 2020, 18:54
Re: Position from altitude and azimuth.Bill Lionheart20 May 2020, 18:50
AN5854-1 Bubble Sextant For SaleRobert Swartz20 May 2020, 16:53
Re: Position from altitude and azimuth.David Pike20 May 2020, 16:20
Re: Position from altitude and azimuth.Andrés Ruiz20 May 2020, 07:55
Re: Position from altitude and azimuth.David Pike20 May 2020, 06:30
Re: Position from altitude and azimuth.Bill Lionheart20 May 2020, 06:18
Re: Lunar distance parallactic retardationPaul Hirose20 May 2020, 05:20
Re: Position from altitude and azimuth.David Pike19 May 2020, 23:30
Upcoming Online Celestial Navigation WorkshopsFrank Reed19 May 2020, 23:46
Re: Position from altitude and azimuth.Dave Walden19 May 2020, 22:18
Re: Position from altitude and azimuth.Andrés Ruiz19 May 2020, 19:14
Re: Kollsman Type 106C U.S. Navy MK IX Aircraft CompassGary LaPook19 May 2020, 18:26
Re: Position from altitude and azimuth.Bill Lionheart19 May 2020, 16:04
Re: Position from altitude and azimuth.Frank Reed19 May 2020, 15:04
Re: Position from altitude and azimuth.Bill Lionheart19 May 2020, 13:19
Re: Position from altitude and azimuth.Bill Lionheart19 May 2020, 11:13
Re: Position from altitude and azimuth.Bill Lionheart19 May 2020, 08:00
Re: Position from altitude and azimuth.Frank Reed19 May 2020, 06:58
Kollsman Type 106C U.S. Navy MK IX Aircraft CompassPyndan Wulffe19 May 2020, 05:23
Re: Position from altitude and azimuth.Frank Reed18 May 2020, 21:11
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike18 May 2020, 20:25
Re: Davis Mk 25 prismatic monocular upgradePeter Monta18 May 2020, 18:54
Re: Position from altitude and azimuth.Bill Lionheart18 May 2020, 09:59
Re: Position from altitude and azimuth.Andrés Ruiz18 May 2020, 08:09
Re: Position from two azimuthsAntoine Couëtte18 May 2020, 01:37
Learning time sights and lunars online.Doug MacPherson17 May 2020, 21:55
Davis Mk 25 prismatic monocular upgradeBill Lionheart17 May 2020, 13:04
Re: Position from altitude and azimuth.Robin Stuart17 May 2020, 12:17
Re: Position from two azimuthsAntoine Couëtte17 May 2020, 10:42
Re: Position from altitude and azimuth.Andrés Ruiz17 May 2020, 10:17
Re: Position from two azimuthsAndrés Ruiz17 May 2020, 09:42
Re: Position from two azimuthsPeter Hakel16 May 2020, 21:15
Re: Position from two azimuthsDavid Pike16 May 2020, 20:48
Re: Position from altitude and azimuth.Bill Lionheart16 May 2020, 16:59
Re: Equal Azimuth LinesRobin Stuart16 May 2020, 14:08
Re: Position from two azimuthsAntoine Couëtte16 May 2020, 14:01
Re: Position from altitude and azimuth.Robin Stuart16 May 2020, 13:48
Re: Position from two azimuthsDave Walden16 May 2020, 13:45
Re: Position from two azimuthsDave Walden16 May 2020, 13:43
Re: Position from two azimuthsAndrés Ruiz16 May 2020, 10:58
Re: Position from two azimuthsDavid Pike16 May 2020, 09:57
Re: Position from two azimuthsPeter Hakel16 May 2020, 07:51
Re: Beginning celestial navigation methodAlan S15 May 2020, 23:04
Re: Equal Azimuth LinesAntoine Couëtte15 May 2020, 20:40
Re: Beginning celestial navigation methodGrace O'Farrell15 May 2020, 18:50
Position from two azimuthsDave Walden15 May 2020, 18:22
Re: Equal Azimuth LinesBill Lionheart15 May 2020, 16:33
Re: Equal Azimuth LinesWolfgang Köberer15 May 2020, 16:29
Re: Position from altitude and azimuth.Bill Lionheart15 May 2020, 14:51
Re: Beginning celestial navigation methodGrace O'Farrell15 May 2020, 11:13
Re: Beginning celestial navigation methodDavid Pike15 May 2020, 09:24
Re: Equal Azimuth LinesAndrés Ruiz15 May 2020, 09:21
Re: Equal Azimuth LinesAntoine Couëtte15 May 2020, 08:57
Re: Position from altitude and azimuth.Andrés Ruiz15 May 2020, 06:53
Re: Position from altitude and azimuth.Andrés Ruiz15 May 2020, 06:31
Re: Beginning celestial navigation methodAlan S15 May 2020, 02:29
Re: Intercept Method or Marcq St. HilaireAntoine Couëtte14 May 2020, 16:52
Re: Equal Azimuth LinesAntoine Couëtte14 May 2020, 15:39
Re: Beginning celestial navigation methodGrace O'Farrell14 May 2020, 14:41
Re: Intercept Method or Marcq St. HilaireGreg Rudzinski14 May 2020, 12:27
Re: Intercept Method or Marcq St. HilaireDavid C14 May 2020, 08:35
Re: Intercept Method or Marcq St. HilaireSteve E. Bryant14 May 2020, 02:51
Re: Equal Azimuth LinesDavid Iwancio14 May 2020, 01:52
Intercept Method or Marcq St. HilaireSteve E. Bryant14 May 2020, 01:24
Re: A Lancaster Navigator's Logs and Charts AnalysedDoug Faunt13 May 2020, 22:13
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike13 May 2020, 21:28
Re: Position from altitude and azimuth.Antoine Couëtte13 May 2020, 20:42
Re: Beginning celestial navigation methodDavid Pike13 May 2020, 20:27
Re: Equal Azimuth LinesAntoine Couëtte13 May 2020, 20:23
Re: Equal Azimuth LinesDavid Iwancio13 May 2020, 20:19
Re: Position from altitude and azimuth.Andrés Ruiz13 May 2020, 17:22
Re: Traditional navigation by slide ruleBob Goethe13 May 2020, 19:37
Re: Beginning celestial navigation methodGrace O'Farrell13 May 2020, 17:08
Re: Equal Azimuth LinesAndrés Ruiz13 May 2020, 17:04
Re: Beginning celestial navigation methodGrace O'Farrell13 May 2020, 16:43
Re: Beginning celestial navigation methodGrace O'Farrell13 May 2020, 16:24
Re: Beginning celestial navigation methodGrace O'Farrell13 May 2020, 15:52
Re: Position from altitude and azimuth.Antoine Couëtte13 May 2020, 14:33
Re: Beginning celestial navigation methodDavid Pike13 May 2020, 13:57
Re: Position from altitude and azimuth.Bill Lionheart13 May 2020, 09:14
Re: NavlistBill Lionheart13 May 2020, 09:01
Equal Azimuth LinesAntoine Couëtte13 May 2020, 07:40
Re: Beginning celestial navigation methodAndrés Ruiz13 May 2020, 07:13
Excellent talk by David PikeBob Crawley13 May 2020, 07:08
Re: Beginning celestial navigation methodSean C13 May 2020, 04:44
Re: Position from altitude and azimuth.Antoine Couëtte13 May 2020, 02:56
Re: Traditional navigation by slide ruleAlan S13 May 2020, 01:44
Re: Position from altitude and azimuth.Peter Hakel13 May 2020, 00:19
Re: A Lancaster Navigator's Logs and Charts AnalysedFrank Reed12 May 2020, 23:29
Re: Position from altitude and azimuth.Antoine Couëtte12 May 2020, 19:48
Re: Non-graphical way to solve a wind triangleGary LaPook12 May 2020, 18:44
Re: Position from altitude and azimuth.Bill Lionheart12 May 2020, 18:11
Re: NavlistGeoffrey Butt12 May 2020, 14:54
Re: My Marine E6M ( A marine version of the E6B )Greg B12 May 2020, 13:42
Re: Position from altitude and azimuth.Lars Bergman12 May 2020, 11:56
Beginning celestial navigation methodGrace O'Farrell12 May 2020, 10:37
Re: Position from altitude and azimuth.Geoffrey Kolbe12 May 2020, 09:55
Re: Non-graphical way to solve a wind triangleGary LaPook12 May 2020, 07:51
Re: Non-graphical way to solve a wind triangleGary LaPook12 May 2020, 07:46
Re: Non-graphical way to solve a wind triangleAndrés Ruiz12 May 2020, 07:27
Re: Non-graphical way to solve a wind triangleFrank Reed12 May 2020, 03:39
Re: My Marine E6M ( A marine version of the E6B )Tracy Shrier12 May 2020, 02:53
Re: Position from altitude and azimuth.Peter Hakel12 May 2020, 00:21
Re: Position from altitude and azimuth.Dave Walden11 May 2020, 23:42
A short explanatory CN videoIgor S.11 May 2020, 23:37
Re: A Lancaster Navigator's Logs and Charts AnalysedDavid Pike11 May 2020, 19:41
BBC - Scientists explain magnetic pole's wanderingsEd Popko11 May 2020, 17:09
Re: Non-graphical way to solve a wind triangleJoseph Rheubeck11 May 2020, 16:36
Re: Position from altitude and azimuth.Antoine Couëtte11 May 2020, 10:34
75th Anniversary of first Aries polar flightDavid Pike11 May 2020, 09:22
Re: Position from altitude and azimuth.Antoine Couëtte11 May 2020, 09:19
Re: Position from altitude and azimuth.Andrés Ruiz11 May 2020, 09:01
Re: Position from altitude and azimuth.Bill Lionheart11 May 2020, 07:01
Re: Position from altitude and azimuth.Sean C11 May 2020, 06:52
Re: Position from altitude and azimuth.Andrés Ruiz11 May 2020, 06:36
Re: Position from altitude and azimuth.Antoine Couëtte11 May 2020, 06:01
Re: Non-graphical way to solve a wind triangleAndrés Ruiz11 May 2020, 05:56
Re: Position from altitude and azimuth.Dave Walden11 May 2020, 03:08
Non-graphical way to solve a wind triangleGreg B11 May 2020, 01:51
My Marine E6M ( A marine version of the E6B )Greg Licfi11 May 2020, 01:21
Re: Position from altitude and azimuth.Peter Hakel10 May 2020, 23:26
Lunars and Traditional CN online workshopsFrank Reed10 May 2020, 18:39
Re: Position from altitude and azimuth.Frank Reed10 May 2020, 18:33
Re: Position from altitude and azimuth.Antoine Couëtte10 May 2020, 16:23
Re: Air Almanac 2020 full pdf now available...Willy Unger10 May 2020, 03:44
Re: Position from altitude and azimuth.Bill Lionheart9 May 2020, 23:18
Re: Position from altitude and azimuth.Lars Bergman9 May 2020, 21:35
Re: Position from altitude and azimuth.Lars Bergman9 May 2020, 21:40
Re: Position from altitude and azimuth.Dave Walden9 May 2020, 13:41
Re: Position from altitude and azimuth.Dave Walden9 May 2020, 12:34
Re: Position from altitude and azimuth.Dave Walden9 May 2020, 12:13
Re: Position from altitude and azimuth.Antoine Couëtte9 May 2020, 11:39
Re: Position from altitude and azimuth.Lars Bergman9 May 2020, 10:07
Congratulations on the Victory Day!Tony Oz9 May 2020, 09:51
Re: Position from altitude and azimuth.Bill Lionheart9 May 2020, 07:47
Re: Position from altitude and azimuth.Antoine Couëtte9 May 2020, 05:13
Re: Height CorrectionPaul Hirose8 May 2020, 20:49
Re: Position from altitude and azimuth.Lars Bergman8 May 2020, 20:16
Re: Height CorrectionGreg Rudzinski8 May 2020, 12:48
Re: Position from altitude and azimuth.Antoine Couëtte8 May 2020, 12:30
Re: Position from altitude and azimuth.Dave Walden8 May 2020, 11:55
Re: Position from altitude and azimuth.Andrés Ruiz8 May 2020, 10:26
Re: Position from altitude and azimuth.David C8 May 2020, 04:49
Re: Position from altitude and azimuth.Peter Hakel8 May 2020, 04:16
Re: 2020-05-03 Sun-Venus sessionAntoine Couëtte7 May 2020, 21:43
A Lancaster Navigator's Logs and Charts AnalysedDavid Pike7 May 2020, 19:24
Position from altitude and azimuth.Dave Walden7 May 2020, 17:02
Re: Height CorrectionRobert Swartz7 May 2020, 15:33
Re: Height CorrectionGreg Rudzinski7 May 2020, 12:52
Re: Smart and Shearme Position Line TablesDavid Pike7 May 2020, 08:43
Re: A-12 ExperiencesRobert Swartz7 May 2020, 04:15
Re: Height CorrectionRobert Swartz7 May 2020, 05:43
Height CorrectionRobert Swartz7 May 2020, 03:19
Re: Celestial Navigation licensing examsDoug Faunt6 May 2020, 22:46
Re: Smart and Shearme Position Line TablesDavid C6 May 2020, 22:30
Re: Celestial Navigation licensing examsIgor S.6 May 2020, 19:30
Re: Smart and Shearme Position Line TablesDavid Pike6 May 2020, 16:36
Celestial Navigation TowersBill Lionheart6 May 2020, 15:12
Re: Celestial Navigation licensing examsAndrés Ruiz6 May 2020, 14:50
Re: Hav-Doniol re-visitedEd Popko6 May 2020, 13:46
Re: Smart and Shearme Position Line TablesDavid C6 May 2020, 04:25
Re: Celestial Navigation licensing examsDoug Faunt5 May 2020, 22:37
Re: Celestial Navigation in the British Royal NavyMichael Cain5 May 2020, 21:23
Re: Smart and Shearme Position Line TablesDavid Pike5 May 2020, 20:50
Air Almanac for 2020Gary LaPook5 May 2020, 19:56
Re: Celestial Navigation licensing examsIgor S.5 May 2020, 19:25
Re: Smart and Shearme Position Line TablesLars Bergman5 May 2020, 18:13
Re: Smart and Shearme Position Line TablesLars Bergman5 May 2020, 18:59
Re: Smart and Shearme Position Line TablesLars Bergman5 May 2020, 18:05
Re: Smart and Shearme Position Line TablesDavid Pike5 May 2020, 17:40
Re: Smart and Shearme Position Line TablesRobin Stuart5 May 2020, 13:41
Re: Smart and Shearme Position Line TablesDavid Pike5 May 2020, 10:52
Re: Smart and Shearme Position Line TablesDavid Pike5 May 2020, 10:25
Re: Celestial Navigation in the British Royal NavyDavid Pike5 May 2020, 07:55
Re: Celestial Navigation in the British Royal NavyDavid Smith5 May 2020, 07:52
Re: Celestial Navigation in the British Royal NavyBrian Walton5 May 2020, 07:11
Re: Hav-Doniol re-visitedMichael Bradley4 May 2020, 22:18
Re: Smart and Shearme Position Line TablesLars Bergman4 May 2020, 20:50
Re: Celestial Navigation in the British Royal NavyAlan S4 May 2020, 20:23
Re: Smart and Shearme Position Line TablesLars Bergman4 May 2020, 19:36
Re: Radio from the middle of nowherePaul Saffo4 May 2020, 18:10
Re: Celestial Navigation in the British Royal NavyMichael Bradley4 May 2020, 14:22
Re: NavList HamsRobin Stuart4 May 2020, 13:39
Re: Smart and Shearme Position Line TablesLars Bergman4 May 2020, 09:43
Celestial Navigation in the British Royal NavyDavid Smith4 May 2020, 08:51
Re: NavList HamsJeremy C4 May 2020, 02:12
Re: NavList HamsDoug Faunt4 May 2020, 00:14
Re: Smart and Shearme Position Line TablesDavid C3 May 2020, 23:45
Re: Smart and Shearme Position Line TablesDavid C3 May 2020, 21:53
Re: Smart and Shearme Position Line TablesDavid C3 May 2020, 21:38
Re: Smart and Shearme Position Line TablesDavid Pike3 May 2020, 21:35
2020-05-03 Sun-Venus sessionTony Oz3 May 2020, 21:25
Re: NavList HamsJeremy C3 May 2020, 20:18
Re: Radio from the middle of nowherePaul Saffo3 May 2020, 19:41
Re: Radio from the middle of nowhereMarcel Tschudin3 May 2020, 19:23
Re: NavList HamsSean Johnston3 May 2020, 16:31
Re: NavList HamsEd Hlywa3 May 2020, 16:22
Re: Smart and Shearme Position Line TablesLars Bergman3 May 2020, 16:22
Re: Calculators "old technology"Robin Stuart3 May 2020, 15:18
Re: NavList HamsDerrick Young3 May 2020, 14:42
Re: Smart and Shearme Position Line TablesRobin Stuart3 May 2020, 14:37
Re: Radio from the middle of nowherePaul Saffo3 May 2020, 14:00
Re: NavList HamsGreg Licfi3 May 2020, 12:40
Re: Smart and Shearme Position Line TablesDavid C3 May 2020, 09:43
Re: NavList HamsDavid Smith3 May 2020, 07:38
Smart and Shearme Position Line TablesDavid C3 May 2020, 00:08
Re: Bermuda sailing races cancelledDoug Faunt2 May 2020, 22:14
Re: Bermuda sailing races cancelledFrank Reed2 May 2020, 21:21
Re: Bermuda sailing races cancelledDoug Faunt2 May 2020, 19:28
Re: NavlistAndrés Ruiz2 May 2020, 19:14
Re: NavList HamsManuel Cruz2 May 2020, 18:27
Bermuda sailing races cancelledFrank Reed2 May 2020, 17:53
Re: Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed2 May 2020, 17:31
Re: NavList HamsFrank Reed2 May 2020, 17:27
Re: NavlistFrank Reed2 May 2020, 17:23
Re: NavList HamsRobert VanderPol II2 May 2020, 16:47
Re: NavlistGreg Hill2 May 2020, 12:44
NavList HamsEd Popko2 May 2020, 11:20
Re: Calculators "old technology"Frank Reed2 May 2020, 03:00
Re: Celestial Navigation licensing examsDoug Faunt2 May 2020, 01:47
Re: Radio from the middle of nowherePeter Monta1 May 2020, 23:40
Re: Celestial Navigation licensing examsGary LaPook1 May 2020, 19:54
Re: Celestial Navigation licensing examsGary LaPook1 May 2020, 19:53
Re: Calculators "old technology"David Iwancio1 May 2020, 19:40
Re: Radio from the middle of nowhereDoug Faunt1 May 2020, 19:35
Re: Radio from the middle of nowhereDon Seltzer1 May 2020, 19:03
Re: Calculators "old technology"Robin Stuart1 May 2020, 18:16
Re: Radio from the middle of nowhereDoug Faunt1 May 2020, 17:40
Re: Celestial Navigation licensing examsDoug Faunt1 May 2020, 17:19
Celestial Navigation licensing examsFrank Reed1 May 2020, 16:27
Re: Radio from the middle of nowhereFrank Reed1 May 2020, 16:24
Re: Calculators "old technology"Frank Reed1 May 2020, 02:45
Re: Calculators "old technology"Alan S1 May 2020, 01:48
Re: Calculators "old technology"Alan S1 May 2020, 01:42
Re: Lockdown Escape (Madness?)David C30 Apr 2020, 22:28
Re: Calculators "old technology"David C30 Apr 2020, 22:15
Re: Lockdown Escape (Madness?)Gary LaPook30 Apr 2020, 21:43
Re: Calculators "old technology"Frank Reed30 Apr 2020, 20:55
Re: Calculators "old technology"Roger W. Sinnott30 Apr 2020, 19:09
Re: Radio from the middle of nowhereDoug Faunt30 Apr 2020, 18:51
Re: Calculators "old technology"Frank Reed30 Apr 2020, 18:21
Re: Calculators "old technology"Greg Rudzinski30 Apr 2020, 17:57
Calculators "old technology"Geoffrey Kolbe30 Apr 2020, 17:50
Re: Radio from the middle of nowhereJames Hofmann30 Apr 2020, 17:43
Re: Radio from the middle of nowhereDon Seltzer30 Apr 2020, 14:44
Re: Lockdown Escape (Madness?)Tony Oz30 Apr 2020, 14:26
NavlistDave Walden30 Apr 2020, 11:55
Re: Lockdown Escape (Madness?)Greg Rudzinski30 Apr 2020, 11:34
Re: Radio from the middle of nowhereDavid Pike30 Apr 2020, 08:24
Re: Radio from the middle of nowhereGeoffrey Kolbe30 Apr 2020, 06:26
Re: Radio from the middle of nowhereGary LaPook30 Apr 2020, 05:16
Re: Radio from the middle of nowhereGary LaPook30 Apr 2020, 05:07
Re: Lockdown Escape (Madness?)David C30 Apr 2020, 04:50
Re: Radio from the middle of nowhereDoug Faunt30 Apr 2020, 03:29
Re: Hav-Doniol re-visitedGreg Rudzinski30 Apr 2020, 00:56
Re: Radio from the middle of nowhereDavid C29 Apr 2020, 23:59
Re: Lockdown Escape (Madness?)David C29 Apr 2020, 23:40
Re: Radio from the middle of nowhereGary LaPook29 Apr 2020, 22:33
Hav-Doniol re-visitedDavid C29 Apr 2020, 22:13
Re: Lockdown Escape (Madness?)Tibor Miseta29 Apr 2020, 22:07
Re: Radio from the middle of nowhereDrago Simac29 Apr 2020, 21:45
Re: Radio from the middle of nowhereBill Lionheart29 Apr 2020, 21:30
Re: Radio from the middle of nowhereJames F Campbell29 Apr 2020, 20:35
Re: Radio from the middle of nowhereMichael Jones29 Apr 2020, 20:25
Re: Radio from the middle of nowhereLars Bergman29 Apr 2020, 19:10
Re: Radio from the middle of nowhereRobert VanderPol II29 Apr 2020, 18:49
Re: Radio from the middle of nowhereJohn Carbone29 Apr 2020, 18:34
Re: Radio from the middle of nowhereBruce Cutting29 Apr 2020, 18:15
Re: Radio from the middle of nowhereFrank Reed29 Apr 2020, 17:47
Re: Radio from the middle of nowhereJim Rives29 Apr 2020, 17:42
Re: Lockdown Escape (Madness?)Greg Rudzinski29 Apr 2020, 16:16
Re: Radio from the middle of nowhereEd Popko29 Apr 2020, 12:10
Re: Lockdown Escape (Madness?)Michael Bradley29 Apr 2020, 10:20
Re: Lockdown Escape (Madness?)David C29 Apr 2020, 03:26
Re: Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever28 Apr 2020, 15:00
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski28 Apr 2020, 13:05
Re: A12 vs A8-A sextantsDavid Pike28 Apr 2020, 10:41
Re: A12 vs A8-A sextantsGeoffrey Kolbe28 Apr 2020, 06:48
Re: Lockdown Escape (Madness?)David C28 Apr 2020, 00:53
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski27 Apr 2020, 21:08
Re: Calibrating a Bris with a Davis mk15 sextantFrank Reed27 Apr 2020, 17:47
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr 2020, 17:44
Re: A12 vs A8-A sextantsPaul Hirose27 Apr 2020, 17:21
Meteorite over Iraqi Kurdistan in 1888Frank Reed27 Apr 2020, 16:00
Re: Lockdown Escape (Madness?)David Iwancio27 Apr 2020, 15:21
Re: Lockdown Escape (Madness?)Michael Bradley27 Apr 2020, 13:34
Re: Lockdown Escape (Madness?)Greg Rudzinski27 Apr 2020, 13:08
Lockdown Escape (Madness?)Michael Bradley27 Apr 2020, 08:53
Radio from the middle of nowhereFrank Reed26 Apr 2020, 23:07
Re: WWV is audible again (here)Tony Oz26 Apr 2020, 21:19
Re: Hyatt's Celestial CoordinatorFrank Reed26 Apr 2020, 20:54
Re: Hyatt's Celestial CoordinatorJürgen Hoefeld26 Apr 2020, 20:30
Re: Sign of d in HO249David Pike26 Apr 2020, 17:56
Re: Calibrating a Bris with a Davis mk15 sextantGreg Rudzinski26 Apr 2020, 17:55
Re: Hyatt's Celestial CoordinatorSteve E. Bryant26 Apr 2020, 17:37
Re: April 28: Venus maximum brillianceGeoffrey Kolbe26 Apr 2020, 15:56
Calibrating a Bris with a Davis mk15 sextantAlexander Duytschaever26 Apr 2020, 14:55
Hyatt's Celestial CoordinatorDave Walden26 Apr 2020, 13:49
Re: A12 vs A8-A sextantsDavid Pike26 Apr 2020, 13:07
Re: Sign of d in HO249David Pike26 Apr 2020, 12:40
Re: April 28: Venus maximum brillianceFred Hebard26 Apr 2020, 11:21
Re: April 28: Venus maximum brillianceFrank Reed26 Apr 2020, 06:01
Re: A12 vs A8-A sextantsGeoffrey Kolbe25 Apr 2020, 18:16
Re: Sign of d in HO249Robert VanderPol II25 Apr 2020, 13:05
Re: Sign of d in HO249David Pike25 Apr 2020, 12:58
Re: Buffy, the Moon is wrong...Robin Stuart25 Apr 2020, 12:15
Re: WWV is audible again (here)Tony Oz25 Apr 2020, 08:40
Re: Sign of d in HO249David Iwancio25 Apr 2020, 02:20
Change of assumed position terminologyDavid C25 Apr 2020, 01:56
Re: WWV is audible again (here)Peter Monta24 Apr 2020, 20:34
Re: Paper: Geometry of Elliptical Probability Contours...Gary LaPook24 Apr 2020, 19:56
Re: WWV is audible again (here)Gary LaPook24 Apr 2020, 19:54
Re: Sign of d in HO249David Pike24 Apr 2020, 19:51
Buffy, the Moon is wrong...Frank Reed24 Apr 2020, 19:50
Re: Paper: Geometry of Elliptical Probability Contours...Andrés Ruiz24 Apr 2020, 19:21
WWV is audible again (here)Tony Oz24 Apr 2020, 19:01
Paper: Geometry of Elliptical Probability Contours...David Pike24 Apr 2020, 16:07
Re: Sign of d in HO249David Iwancio24 Apr 2020, 07:31
Re: Sign of d in HO249David Pike24 Apr 2020, 07:07
Re: Sign of d in HO249Sean C24 Apr 2020, 04:52
Re: Sign of d in HO249Gary LaPook24 Apr 2020, 00:37
Re: Sign of d in HO249David C23 Apr 2020, 22:23
Re: Sign of d in HO249Philippe Posth23 Apr 2020, 21:36
Re: Sign of d in HO249David Pike23 Apr 2020, 19:08
Re: Sign of d in HO249David Pike23 Apr 2020, 19:08
Re: Sign of d in HO249David Pike23 Apr 2020, 17:06
Re: Sign of d in HO249Tony Oz23 Apr 2020, 14:57
Re: Sign of d in HO249David Pike22 Apr 2020, 21:45
Sign of d in HO249Philippe Posth22 Apr 2020, 14:20
Will anyone ever find Shackleton's lost ship?Robin Stuart22 Apr 2020, 14:04
Re: False horizon under the Moon, under the Sun too?Tony Oz22 Apr 2020, 12:42
Re: UsnoSean C22 Apr 2020, 06:57
Re: Anti-spoof appDavid C21 Apr 2020, 22:05
Re: April 28: Venus maximum brillianceFrank Reed21 Apr 2020, 21:59
Re: False horizon under the Moon, under the Sun too?Gary LaPook21 Apr 2020, 20:55
April 28: Venus maximum brillianceTony Oz21 Apr 2020, 12:37
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr 2020, 11:33
Re: False horizon under the Moon, under the Sun too?Tony Oz21 Apr 2020, 08:26
Ogura's Short Method for Altitude (aka Nories' A_K table)David C21 Apr 2020, 07:01
Re: False horizon under the Moon, under the Sun too?Michael Cain20 Apr 2020, 23:17
Re: False horizon under the Moon, under the Sun too?Frank Reed20 Apr 2020, 22:50
Re: False horizon under the Moon, under the Sun too?Gary LaPook20 Apr 2020, 18:58
Re: False horizon under the Moon, under the Sun too?Frank Reed20 Apr 2020, 17:15
False horizon under the Moon, under the Sun too?Tony Oz20 Apr 2020, 11:58
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz20 Apr 2020, 09:03
Re: HO 200 Copyright InfringementDavid C20 Apr 2020, 05:05
HO 200 Copyright InfringementDavid C20 Apr 2020, 03:51
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte20 Apr 2020, 02:23
Re: Online Workshop: Lunars, May 14-16Manuel Cruz19 Apr 2020, 22:20
Re: HO 200 AquinoDavid C19 Apr 2020, 22:11
Re: Online Workshop: Lunars, May 14-16Hewitt Schlereth19 Apr 2020, 21:08
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte19 Apr 2020, 18:40
Online Workshop: Lunars, May 14-16Frank Reed19 Apr 2020, 18:22
Online Workshop: Modern Celestial Navigation, May 4-6Frank Reed19 Apr 2020, 18:16
Re: Venus mer-pass for Lat, Sun time sight for Lon.Bill Ritchie19 Apr 2020, 14:52
Re: HO 200 AquinoFrank Reed19 Apr 2020, 06:35
HO 200 AquinoDavid C19 Apr 2020, 02:46
Precepts - or how to make things more complicated than they really areDavid C18 Apr 2020, 21:44
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz18 Apr 2020, 21:00
Re: NavList social sessions LIVE todayDavid Pike18 Apr 2020, 19:29
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte18 Apr 2020, 18:51
Re: NavList social sessions LIVE todayFrank Reed18 Apr 2020, 18:13
Re: Anti-spoof appFrank Reed18 Apr 2020, 17:49
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden16 Apr 2020, 12:59
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte15 Apr 2020, 17:12
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz15 Apr 2020, 16:15
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte15 Apr 2020, 14:55
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz15 Apr 2020, 07:40
Re: Weems and Plath Celestial Slide RuleAlan S15 Apr 2020, 03:51
Re: NavList social sessions LIVE todayDavid C15 Apr 2020, 01:50
Re: NavList social sessions LIVE todaySteve E. Bryant15 Apr 2020, 01:09
Re: Anti-spoof appDavid C14 Apr 2020, 22:54
Re: Weems and Plath Celestial Slide RuleDave Walden14 Apr 2020, 22:45
Re: Weems and Plath Celestial Slide RuleTracy Shrier14 Apr 2020, 20:56
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz14 Apr 2020, 14:41
Re: NavList ResourcesGreg Rudzinski14 Apr 2020, 14:38
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte14 Apr 2020, 14:22
Hughes, Dreisonstok and dec~latDavid C13 Apr 2020, 21:58
Re: Referring to Eds Daves & Davids for exampleDustin Baenen13 Apr 2020, 21:35
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte13 Apr 2020, 17:13
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden13 Apr 2020, 14:35
Re: 2020-04-12: 59 Earth revolutions around the Sun - since the first man orbited the Earth!James F Campbell12 Apr 2020, 19:35
2020-04-12: 59 Earth revolutions around the Sun - since the first man orbited the Earth!Tony Oz12 Apr 2020, 11:49
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz12 Apr 2020, 10:45
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr 2020, 10:21
Re: Weems and Plath Celestial Slide RuleDavid Pike12 Apr 2020, 09:18
Re: Anti-spoof appHerman Dekker12 Apr 2020, 07:21
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr 2020, 03:38
Re: Anti-spoof appDavid C12 Apr 2020, 02:45
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr 2020, 02:43
Re: Venus mer-pass for Lat, Sun time sight for Lon.Peter Hakel12 Apr 2020, 02:04
Re: Anti-spoof appJim Rives12 Apr 2020, 01:45
Re: Venus mer-pass for Lat, Sun time sight for Lon.Dave Walden12 Apr 2020, 01:11
Re: Anti-spoof appDavid C12 Apr 2020, 00:14
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr 2020, 22:56
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz11 Apr 2020, 22:51
Re: Anti-spoof appDavid C11 Apr 2020, 21:07
Re: Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz11 Apr 2020, 20:26
Re: Weems and Plath Celestial Slide RuleEd J.11 Apr 2020, 19:55
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr 2020, 19:20
Referring to Eds Daves & Davids for exampleDavid Pike11 Apr 2020, 17:07
Re: Weems and Plath Celestial Slide RuleDavid Pike11 Apr 2020, 16:52
NavList ResourcesSteve E. Bryant11 Apr 2020, 14:07
Re: Venus mer-pass for Lat, Sun time sight for Lon.Antoine Couëtte11 Apr 2020, 09:11
Re: Anti-spoof appJim Rives11 Apr 2020, 03:09
Re: Venus mer-pass for Lat, Sun time sight for Lon.David C11 Apr 2020, 00:52
Anti-spoof appDavid C11 Apr 2020, 00:47
Venus mer-pass for Lat, Sun time sight for Lon.Tony Oz10 Apr 2020, 22:06
Re: Weems and Plath Celestial Slide RuleAlan S10 Apr 2020, 20:29
Re: Weems and Plath Celestial Slide RuleEd Popko10 Apr 2020, 14:51
Re: 1583 Dutch Almanac and cross staffHuub Robroek10 Apr 2020, 09:35
Re: Weems and Plath Celestial Slide RuleDavid Pike10 Apr 2020, 09:04
Re: Air Almanac 2020 full pdf now available...Phil F10 Apr 2020, 07:57
Re: 1583 Dutch Almanac and cross staffBob Crawley10 Apr 2020, 06:31
Re: Weems and Plath Celestial Slide RuleTracy Shrier9 Apr 2020, 23:51
Re: 1583 Dutch Almanac and cross staffJürgen Hoefeld9 Apr 2020, 19:49
Re: Venus in daylightDavid Pike9 Apr 2020, 18:52
1583 Dutch Almanac and cross staffBob Crawley9 Apr 2020, 18:51
STARPILOT TI-89(Titanium) calculator program update.Herman Dekker9 Apr 2020, 17:50
Re: Venus in daylightAdrian F9 Apr 2020, 10:50
Re: Venus in daylightFrank Reed9 Apr 2020, 04:23
Re: Venus in daylightChris Willmes8 Apr 2020, 22:35
Re: NavList social sessions LIVE todayFrank Reed8 Apr 2020, 22:21
Re: Venus in daylightDavid Pike8 Apr 2020, 21:12
Re: Weems and Plath Celestial Slide RuleDavid Pike8 Apr 2020, 20:39
Weems and Plath Celestial Slide RuleEd J.8 Apr 2020, 17:52
Re: Venus in daylightDoug Faunt8 Apr 2020, 17:01
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte8 Apr 2020, 16:25
Re: Venus in daylightFrank Reed8 Apr 2020, 16:14
Re: Venus in daylightDavid Pike8 Apr 2020, 14:41
Re: Venus in daylightDavid C8 Apr 2020, 07:05
NavList social sessions LIVE todayFrank Reed8 Apr 2020, 06:34
Re: NavList-donated Amelia Earhart signSteve E. Bryant8 Apr 2020, 04:57
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed8 Apr 2020, 03:55
Re: Venus in daylightDavid C8 Apr 2020, 02:22
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C8 Apr 2020, 02:07
Re: Venus in daylightDavid Pike7 Apr 2020, 20:36
Re: NavList-donated Amelia Earhart signGary LaPook7 Apr 2020, 19:31
Re: Stellarium Star Filtering.?Sean C7 Apr 2020, 18:03
Stellarium Star Filtering.?Marty Lyons7 Apr 2020, 14:00
Re: Venus in daylightTibor Miseta7 Apr 2020, 12:44
Re: Meridian Passage Table, Daily PagesHerman Dekker7 Apr 2020, 08:30
NavList-donated Amelia Earhart signFrank Reed7 Apr 2020, 05:54
Re: Venus in daylightFrank Reed7 Apr 2020, 04:19
Re: Venus in daylightDavid C7 Apr 2020, 00:13
Re: A strange set of Venus LoPs.Mike Burkes6 Apr 2020, 23:26
Meridian Passage Table, Daily PagesSteve E. Bryant6 Apr 2020, 21:27
Re: Celestial in the Age of Sail, April 13-15, onlineFrank Reed6 Apr 2020, 20:24
Re: A strange set of Venus LoPs.Tony Oz6 Apr 2020, 18:42
Re: Dutch Nautical Atlas/Almanac 1584Bob Crawley6 Apr 2020, 17:50
Re: A strange set of Venus LoPs.Antoine Couëtte6 Apr 2020, 17:14
Re: A strange set of Venus LoPs.Tony Oz6 Apr 2020, 16:35
Re: Bausch and Lomb 5854 sextantChris Caswell6 Apr 2020, 11:30
A strange set of Venus LoPs.Tony Oz6 Apr 2020, 09:29
Re: Curve fitting for noon SunAntoine Couëtte5 Apr 2020, 23:49
Re: Dutch Nautical Atlas/Almanac 1584Frank Reed5 Apr 2020, 22:41
Re: Nautical Almanac AppDavid C5 Apr 2020, 22:29
Re: Venus in daylightFrank Reed5 Apr 2020, 22:26
Re: Venus in daylightDavid C5 Apr 2020, 22:19
Re: Nautical Almanac AppHerman Dekker5 Apr 2020, 21:39
Re: Nautical Almanac AppAndrés Ruiz5 Apr 2020, 17:18
Re: Venus in daylightDavid Pike5 Apr 2020, 13:54
Re: Dutch Nautical Atlas/Almanac 1584Huub Robroek5 Apr 2020, 13:34
Bausch and Lomb 5854 sextantMichael Nolan5 Apr 2020, 12:00
Re: Nautical Almanac AppHerman Dekker5 Apr 2020, 07:21
Dutch Nautical Atlas/Almanac 1584Bob Crawley5 Apr 2020, 07:02
Re: Star Tracker - Space Shuttle and the Inertial Upper Stage.Sean C5 Apr 2020, 05:16
Sirius: spin-off of the "Venus in daylight"Tony Oz5 Apr 2020, 00:36
Re: Venus in daylightFrank Reed4 Apr 2020, 22:38
Re: Venus in daylightIgor S.4 Apr 2020, 21:40
Re: Nautical Almanac AppDavid C4 Apr 2020, 21:35
Star Tracker - Space Shuttle and the Inertial Upper Stage.Derrick Young4 Apr 2020, 18:53
Re: Nautical Almanac AppAndrés Ruiz4 Apr 2020, 09:40
Re: Lunars: optimal angular distancesSteve E. Bryant4 Apr 2020, 09:38
Re: Star tracker article, interesting graphicsAntoine Couëtte4 Apr 2020, 09:31
Re: Venus in daylightPeter Monta4 Apr 2020, 03:40
Re: Nautical Almanac AppDavid C3 Apr 2020, 22:51
Re: Nautical Almanac AppDavid C3 Apr 2020, 22:41
Re: Nautical Almanac AppDavid C3 Apr 2020, 21:49
Star tracker article, interesting graphicsDoug Faunt3 Apr 2020, 17:14
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Francis Upchurch3 Apr 2020, 17:07
Re: Minimum geocentric Saturn-Mars apparent angular DistanceBill Ritchie3 Apr 2020, 12:06
Re: Nautical Almanac AppAndrés Ruiz3 Apr 2020, 09:21
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C3 Apr 2020, 06:56
Re: Celestial in the Age of Sail, April 7-9, onlineAlan S2 Apr 2020, 19:59
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Alan S2 Apr 2020, 19:53
Re: Minimum geocentric Saturn-Mars apparent angular DistanceDave Walden2 Apr 2020, 16:58
Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Bill Ritchie2 Apr 2020, 10:40
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C2 Apr 2020, 08:13
Re: Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte2 Apr 2020, 07:35
Re: Lunars: optimal angular distancesSean C2 Apr 2020, 04:48
Re: Celestial in the Age of Sail, April 7-9, onlineFrank Reed1 Apr 2020, 21:21
Re: Celestial in the Age of Sail, April 7-9, onlineDavid C1 Apr 2020, 20:32
Re: Sun-Venus distance observationSteve E. Bryant1 Apr 2020, 19:18
Re: Celestial in the Age of Sail, April 7-9, onlineHerman Dekker1 Apr 2020, 09:11
Re: Minimum geocentric Saturn-Mars apparent angular DistanceSean C1 Apr 2020, 09:04
Re: Venus in daylightDavid C1 Apr 2020, 06:38
Re: Venus in daylightFrank Reed1 Apr 2020, 05:23
Re: Venus in daylightDavid C1 Apr 2020, 05:02
Re: Celestial in the Age of Sail, April 7-9, onlineSam Lyness1 Apr 2020, 01:41
Re: Sun-Venus distance observationFrank Reed31 Mar 2020, 22:29
Re: Lunars: optimal angular distancesFrank Reed31 Mar 2020, 22:19
Re: Venus in daylightFrank Reed31 Mar 2020, 21:54
Re: Venus in daylightDavid C31 Mar 2020, 21:36
Re: Venus in daylightDavid C31 Mar 2020, 21:30
Re: Venus in daylightFrank Reed31 Mar 2020, 20:47
Lunars: optimal angular distancesSteve E. Bryant31 Mar 2020, 18:55
Celestial in the Age of Sail, April 7-9, onlineFrank Reed31 Mar 2020, 18:17
Re: Navigation webinarsDavid Pike31 Mar 2020, 13:29
Sextant problem gonePaul Werner31 Mar 2020, 12:09
Minimum geocentric Saturn-Mars apparent angular DistanceAntoine Couëtte31 Mar 2020, 07:07
Re: Bagnold Sun CompassDavid C31 Mar 2020, 06:16
Re: Venus in daylightDavid C31 Mar 2020, 04:38
Bagnold Sun CompassMichael Jones31 Mar 2020, 04:00
Nautical Almanac AppDavid C30 Mar 2020, 21:44
Re: d correctionTony Oz30 Mar 2020, 21:38
Re: d correctionAlan S30 Mar 2020, 20:59
Air Almanac and AP 2020 availableAlexander Duytschaever30 Mar 2020, 13:35
Re: d correctionTony Oz30 Mar 2020, 09:11
Re: d correctionBarrie Heald30 Mar 2020, 02:33
Re: Sun-Venus distance observationIgor S.29 Mar 2020, 21:56
Re: Venus in daylightDavid C29 Mar 2020, 21:33
Re: Sun-Venus distance observationIgor S.29 Mar 2020, 21:33
Re: Venus in daylightDoug Faunt29 Mar 2020, 16:52
Re: Venus in daylightDoug Faunt29 Mar 2020, 16:50
Re: d correctionTony Oz29 Mar 2020, 16:25
Re: d correctionBarrie Heald29 Mar 2020, 14:05
Re: Venus in daylightTony Oz29 Mar 2020, 13:21
Re: Venus in daylightDavid Pike29 Mar 2020, 09:46
Re: Venus in daylightSean C29 Mar 2020, 04:40
Re: Venus in daylightGreg Rudzinski29 Mar 2020, 00:41
Re: Venus in daylightDavid C28 Mar 2020, 23:17
Re: Venus in daylightDavid C28 Mar 2020, 23:08
Re: Venus in daylightTony Oz28 Mar 2020, 20:14
Re: Venus in daylightFrank Reed28 Mar 2020, 19:54
Re: Venus in daylightTony Oz28 Mar 2020, 18:57
Re: Venus in daylightFrank Reed28 Mar 2020, 03:27
Re: Venus in daylightDavid C28 Mar 2020, 02:39
Re: Venus in daylightFrank Reed28 Mar 2020, 01:53
Venus in daylightFrank Reed27 Mar 2020, 22:19
Re: Sun-Venus distance observationHerman Dekker27 Mar 2020, 19:46
Re: Sun-Venus distance observationTony Oz27 Mar 2020, 19:35
Re: Sun-Venus distance observationIgor S.27 Mar 2020, 10:58
Re: GPS Anti Spoof ProDavid Pike27 Mar 2020, 08:40
Re: GPS Anti Spoof ProDavid C27 Mar 2020, 06:41
Re: GPS Anti Spoof ProDavid C27 Mar 2020, 06:28
Re: GPS Anti Spoof ProDavid C27 Mar 2020, 06:24
Re: GPS Anti Spoof ProFrank Reed27 Mar 2020, 00:10
Re: GPS Anti Spoof ProDavid Pike26 Mar 2020, 23:11
Re: LAN calculations for GHATony Oz26 Mar 2020, 22:54
LAN calculations for GHAAdam Frolic26 Mar 2020, 19:28
Re: Maskelyne: Astronomer RoyalGeoffrey Kolbe26 Mar 2020, 06:13
Re: Bubble SextantsRobert Swartz26 Mar 2020, 00:37
Re: Maskelyne: Astronomer RoyalDoug Faunt26 Mar 2020, 00:16
Re: Maskelyne: Astronomer RoyalCharles McElhill25 Mar 2020, 21:33
Re: Maskelyne: Astronomer RoyalAlexandre Eremenko25 Mar 2020, 20:54
Bubble SextantsRobert Swartz25 Mar 2020, 18:57
Re: Maskelyne: Astronomer RoyalWolfgang Köberer25 Mar 2020, 16:53
Re: A12 vs A8-A sextantsRobert Swartz25 Mar 2020, 15:44
Re: Maskelyne: Astronomer RoyalFrank Reed25 Mar 2020, 04:20
Re: GPS Anti Spoof ProFrank Reed25 Mar 2020, 03:36
Happy Birthday, John HarrisonFrank Reed25 Mar 2020, 03:24
Re: Maskelyne: Astronomer RoyalDavid Pike24 Mar 2020, 21:16
Re: Maskelyne: Astronomer RoyalCharles McElhill24 Mar 2020, 12:38
GPS Anti Spoof ProEd Popko24 Mar 2020, 10:59
Re: A12 vs A8-A sextantsGary LaPook24 Mar 2020, 03:30
Re: A12 vs A8-A sextantsChris Caswell23 Mar 2020, 21:43
Re: Maskelyne: Astronomer RoyalFrank Reed23 Mar 2020, 21:42
Re: A12 vs A8-A sextantsMichael Jones23 Mar 2020, 19:33
Re: Maskelyne: Astronomer RoyalJackson McDonald23 Mar 2020, 18:11
Re: Maskelyne: Astronomer RoyalFrancis Upchurch23 Mar 2020, 17:28
Maskelyne: Astronomer RoyalCharles McElhill23 Mar 2020, 16:33
Re: Index error vs. index correctionAntoine Couëtte23 Mar 2020, 16:27
Re: A12 vs A8-A sextantsDustin Baenen23 Mar 2020, 13:42
Re: Sun-Venus distance observationTony Oz23 Mar 2020, 11:58
Re: Longitude by Time Sight Using a Slide RuleFrancis Upchurch23 Mar 2020, 06:39
Re: Longitude by Time Sight Using a Slide RuleAlan S23 Mar 2020, 02:37
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski22 Mar 2020, 23:19
Re: Longitude by Time Sight Using a Slide RuleAlan S22 Mar 2020, 22:32
Re: A12 vs A8-A sextantsMichael Jones22 Mar 2020, 21:06
Re: Index error vs. index correctionRobin Stuart22 Mar 2020, 20:54
Re: Index error vs. index correctionAntoine Couëtte22 Mar 2020, 19:17
Sun-Venus distance observationTony Oz22 Mar 2020, 20:26
Re: Index error vs. index correctionAntoine Couëtte22 Mar 2020, 19:07
Re: A12 vs A8-A sextantsGary LaPook22 Mar 2020, 19:06
Re: A12 vs A8-A sextantsGary LaPook22 Mar 2020, 19:02
A12 vs A8-A sextantsMichael Jones22 Mar 2020, 13:51
Re: Index error vs. index correctionRobin Stuart22 Mar 2020, 13:49
Using Photographs from the wwwDavid Pike22 Mar 2020, 13:37
Re: Please help to identify a sextantDavid Pike22 Mar 2020, 10:28
Re: Index error vs. index correctionGary LaPook22 Mar 2020, 01:39
Re: Please help to identify a sextantPeter Monta21 Mar 2020, 23:25
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie21 Mar 2020, 23:05
Re: Please help to identify a sextantDavid Pike21 Mar 2020, 22:15
Re: Please help to identify a sextantTony Oz21 Mar 2020, 20:43
Re: Index error vs. index correctionAntoine Couëtte21 Mar 2020, 20:22
Re: Please help to identify a sextantGeoffrey Kolbe21 Mar 2020, 20:20
Re: Tabulate Lunar Distances by GHATony Oz21 Mar 2020, 20:03
Re: Tabulate Lunar Distances by GHATony Oz21 Mar 2020, 19:56
Tabulate Lunar Distances by GHAFrank Reed21 Mar 2020, 19:13
Re: Index error vs. index correctionDave Walden21 Mar 2020, 13:04
Re: Please help to identify a sextantDavid Pike21 Mar 2020, 09:57
Re: Calculating the time when GHA is equals zero?Tony Oz21 Mar 2020, 07:08
Re: Calculating the time when GHA is equals zero?Steve E. Bryant21 Mar 2020, 00:15
Re: Please help to identify a sextantDavid Pike20 Mar 2020, 21:15
(Almost) no shadowBob Miorelli20 Mar 2020, 20:13
Re: Index error vs. index correctionAntoine Couëtte20 Mar 2020, 19:36
Re: H.O. 249: rounding HoPaul Hirose20 Mar 2020, 18:43
Re: Please help to identify a sextantTony Oz20 Mar 2020, 08:45
Re: H.O. 249: rounding HoMichael Jones20 Mar 2020, 04:26
Re: Please help to identify a sextantAlexandre Eremenko20 Mar 2020, 01:07
Re: Please help to identify a sextantIgor S.19 Mar 2020, 23:35
Navigation webinarsDavid Pike19 Mar 2020, 21:36
Please help to identify a sextantTony Oz19 Mar 2020, 21:04
Re: Navigate to this islandAlexandre Eremenko19 Mar 2020, 20:39
Re: Navigate to this islandTony Oz19 Mar 2020, 20:24
Re: Navigate to this islandJames F Campbell19 Mar 2020, 20:20
Re: Navigate to this islandJackson McDonald19 Mar 2020, 20:15
Re: Navigate to this islandGreg Rudzinski19 Mar 2020, 20:10
Re: Navigate to this islandGreg Rudzinski19 Mar 2020, 20:08
Navigate to this islandFrank Reed19 Mar 2020, 19:20
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch19 Mar 2020, 10:52
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie18 Mar 2020, 18:53
Re: Grand Princess and Plague flagJeremy C18 Mar 2020, 09:13
Re: Grand Princess and Plague flagJeremy C18 Mar 2020, 09:08
Re: H.O. 249: rounding HoGary LaPook18 Mar 2020, 07:36
Re: Royal Museums Greenwich closedDavid C18 Mar 2020, 04:53
Re: Royal Museums Greenwich closedPeter Monta17 Mar 2020, 23:40
H.O. 249: rounding HoIgor S.17 Mar 2020, 22:56
Re: Kelvin Hughes sounding sextant !Frank Atkins17 Mar 2020, 22:30
Re: GPS Anti Spoof: time to update...Frank Reed17 Mar 2020, 21:53
Re: Royal Museums Greenwich closedChris Willmes17 Mar 2020, 20:38
Re: Grand Princess and Plague flagDoug Faunt17 Mar 2020, 20:12
Re: Grand Princess and Plague flagDavid Pike17 Mar 2020, 20:02
GMT by Lunar Distance in GuatemalaFrank Reed17 Mar 2020, 19:59
Royal Museums Greenwich closedFrank Reed17 Mar 2020, 19:55
Re: Grand Princess and Plague flagLu Abel17 Mar 2020, 18:47
Re: Kelvin Hughes sounding sextant !Jean-Philippe Planas17 Mar 2020, 17:29
Re: Kelvin Hughes sounding sextant !Ed Popko17 Mar 2020, 16:51
Re: Kelvin Hughes sounding sextant !Bill Morris17 Mar 2020, 06:34
Grand Princess and Plague flagPaul Saffo17 Mar 2020, 04:45
Re: Calculating the time when GHA is equals zero?Tony Oz16 Mar 2020, 10:58
Re: Calculating the time when GHA is equals zero?Paul Hirose14 Mar 2020, 20:21
Re: Calculating the time when GHA is equals zero?Tony Oz14 Mar 2020, 19:07
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar 2020, 17:45
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar 2020, 10:39
Re: Calculating the time when GHA is equals zero?Steve E. Bryant14 Mar 2020, 06:18
Re: Calculating the time when GHA is equals zero?Jeremy C14 Mar 2020, 04:35
Re: Kelvin Hughes sounding sextant !Frank Atkins13 Mar 2020, 23:28
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar 2020, 22:58
Index error vs. index correctionPaul Hirose13 Mar 2020, 21:38
Re: Kelvin Hughes sounding sextant !Paul Hirose13 Mar 2020, 21:36
Re: Time of SunsetDavid C13 Mar 2020, 21:26
Re: Calculating the time when GHA is equals zero?Tony Oz13 Mar 2020, 19:37
Re: Captain Cook & celestial navigationRoger W. Sinnott13 Mar 2020, 17:56
Re: Captain Cook & celestial navigationRobin Stuart13 Mar 2020, 16:29
Re: Calculating the time when GHA is equals zero?Jeremy C13 Mar 2020, 12:22
Time of SunsetDavid C13 Mar 2020, 07:48
Re: Calculating the time when GHA is equals zero?Steve E. Bryant13 Mar 2020, 03:20
Re: Another SpaceX launch: photo celestialThomas Spidle13 Mar 2020, 01:54
Re: Another SpaceX launch: photo celestialDoug Faunt12 Mar 2020, 20:00
Re: Another SpaceX launch: photo celestialFrank Reed12 Mar 2020, 19:41
Re: Calculating the time when GHA is equals zero?Tony Oz12 Mar 2020, 18:02
Re: GPS Anti Spoof: time to update...Frank Reed12 Mar 2020, 17:29
Re: Kelvin Hughes sounding sextant !Frank Atkins12 Mar 2020, 12:09
Re: Kelvin Hughes sounding sextant !Michael Bradley12 Mar 2020, 12:04
Re: Calculating the time when GHA is equals zero?Jeremy C12 Mar 2020, 08:06
Re: Kelvin Hughes sounding sextant !Michael Bradley11 Mar 2020, 23:37
Re: Calculating the time when GHA is equals zero?Tony Oz11 Mar 2020, 20:13
Re: Using the sun's direct and reflected image to determine a sextant's IEAntoine Couëtte11 Mar 2020, 19:09
Re: Calculating the time when GHA is equals zero?Steve E. Bryant11 Mar 2020, 06:23
Re: Modern Bygrave Slide Rule EmulatorGary LaPook10 Mar 2020, 20:42
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz10 Mar 2020, 18:47
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz10 Mar 2020, 13:41
Re: Using the sun's direct and reflected image to determine a sextant's IEEd Popko10 Mar 2020, 11:46
Re: Using the sun's direct and reflected image to determine a sextant's IEPaul Hirose10 Mar 2020, 06:03
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar 2020, 23:34
Custom Compact Sight Reduction TablesGreg Rudzinski9 Mar 2020, 22:13
Re: Using the sun's direct and reflected image to determine a sextant's IEEd Popko9 Mar 2020, 20:23
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar 2020, 19:39
Re: Using the sun's direct and reflected image to determine a sextant's IETony Oz9 Mar 2020, 19:26
Re: Calculating the time when GHA is equals zero?Tony Oz9 Mar 2020, 18:59
Re: Using the sun's direct and reflected image to determine a sextant's IEGreg Rudzinski9 Mar 2020, 17:21
Using the sun's direct and reflected image to determine a sextant's IEEd Popko9 Mar 2020, 12:59
Kelvin Hughes sounding sextant !Frank Atkins9 Mar 2020, 09:25
Calculating the time when GHA is equals zero?Steve E. Bryant9 Mar 2020, 06:14
LunarsChris Lamousin9 Mar 2020, 03:00
Re: Custom Ex-Meridian Table for Slide RuleGreg Rudzinski9 Mar 2020, 02:07
Re: Another SpaceX launch: photo celestialFrank Reed8 Mar 2020, 22:36
Custom Ex-Meridian Table for Slide RuleGreg Rudzinski8 Mar 2020, 18:10
Another SpaceX launch: photo celestialFrank Reed8 Mar 2020, 01:03
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar 2020, 21:51
Re: Smart Phone CNGreg Rudzinski7 Mar 2020, 10:55
Re: Modern Bygrave Slide Rule EmulatorBob Crawley7 Mar 2020, 09:24
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar 2020, 07:52
Re: Smart Phone CNTom Sult7 Mar 2020, 03:25
Re: Smart Phone CNGreg Rudzinski6 Mar 2020, 23:05
Re: Modern Bygrave Slide Rule EmulatorGreg Rudzinski6 Mar 2020, 20:49
Re: Modern Bygrave Slide Rule EmulatorGary LaPook6 Mar 2020, 19:06
Re: AH - sandwich (working concept)Igor S.6 Mar 2020, 00:00
Modern Bygrave Slide Rule EmulatorBill Ritchie5 Mar 2020, 20:45
Re: Smart Phone CNGreg Rudzinski5 Mar 2020, 19:51
Re: Smart Phone CNAndrés Ruiz5 Mar 2020, 19:50
Re: Smart Phone CNEd Hlywa5 Mar 2020, 17:56
Re: ChronographGeoffrey Kolbe5 Mar 2020, 09:14
Re: AH - sandwich (working concept)Geoffrey Kolbe5 Mar 2020, 07:06
Re: ChronographDavid Iwancio5 Mar 2020, 03:46
Re: Smart Phone CNGreg Rudzinski5 Mar 2020, 02:52
Re: ChronographAlan S5 Mar 2020, 01:57
AH - sandwich (working concept)Igor S.4 Mar 2020, 23:45
Re: ChronographDustin Baenen4 Mar 2020, 21:21
Re: ChronographTony Oz4 Mar 2020, 20:28
Re: ChronographGreg Rudzinski4 Mar 2020, 19:18
Re: Google Maps and Street viewDoug Faunt4 Mar 2020, 16:56
Re: ChronographMichael Cain4 Mar 2020, 16:25
Re: ChronographDustin Baenen4 Mar 2020, 15:55
Re: ChronographGreg Rudzinski4 Mar 2020, 15:16
Re: ChronographGreg Rudzinski4 Mar 2020, 14:31
Re: ChronographGreg Rudzinski4 Mar 2020, 14:20
Re: Longitudes greater than 180Robert VanderPol II4 Mar 2020, 14:02
Re: ChronographNick M4 Mar 2020, 13:46
Re: Longitudes greater than 180Geoffrey Kolbe4 Mar 2020, 07:44
Re: Today's sub-Sun pointSteve E. Bryant4 Mar 2020, 06:29
ChronographJason Owens2 Mar 2020, 22:41
ChronographsJason Owens4 Mar 2020, 03:37
Re: Longitudes greater than 180Frank Reed4 Mar 2020, 03:24
Re: Today's sub-Sun pointFrank Reed4 Mar 2020, 02:34
Re: Air Almanac 2020 full pdf now available...Frank Reed4 Mar 2020, 01:42
Longitudes greater than 180Paul Hirose3 Mar 2020, 22:07
Re: Archive of HMS Bounty fatefulvoyage.comDavid Pike3 Mar 2020, 20:40
Archive of HMS Bounty fatefulvoyage.comFrank Reed3 Mar 2020, 20:10
Re: Today's sub-Sun pointSteve E. Bryant3 Mar 2020, 19:26
Re: Smart Phone CNGreg Rudzinski3 Mar 2020, 15:47
Re: Today's sub-Sun pointJohn D. Howard3 Mar 2020, 13:11
Re: Sunrise Time Sight /Amplitude LOPBrian Walton3 Mar 2020, 09:46
Re: Today's sub-Sun pointTony Oz3 Mar 2020, 08:18
Re: Today's sub-Sun pointSteve E. Bryant3 Mar 2020, 03:36
Re: Today's sub-Sun pointDavid C3 Mar 2020, 00:40
Re: [OT] Browser trickDavid C2 Mar 2020, 20:41
Re: Today's sub-Sun pointPaul Saffo2 Mar 2020, 17:54
Smart Phone CNGreg Rudzinski2 Mar 2020, 14:12
Re: Choosing right A-10: how to?David Pike2 Mar 2020, 11:20
Re: Choosing right A-10: how to?Tony Oz2 Mar 2020, 08:42
Re: Choosing right A-10: how to?Gary LaPook2 Mar 2020, 08:13
Re: [OT] Browser trickDavid Pike1 Mar 2020, 22:24
Sunrise Time Sight /Amplitude LOPGreg Rudzinski1 Mar 2020, 21:49
Re: [OT] Browser trickFrank Reed1 Mar 2020, 21:22
Re: Choosing right A-10: how to?David Pike1 Mar 2020, 20:01
Re: [OT] Browser trickWolfgang Köberer1 Mar 2020, 18:08
Today's sub-Sun pointFrank Reed1 Mar 2020, 17:57
Russian mechanical navigation computerBob Goethe29 Feb 2020, 15:57
Japanese star globeBob Goethe29 Feb 2020, 15:55
Re: Choosing right A-10: how to?Gary LaPook29 Feb 2020, 01:40
Final posting: Ron Peel, DFCMichael Cain28 Feb 2020, 21:20
Re: Katherine Johnson/Browser trickHerman Dekker28 Feb 2020, 08:32
Re: Choosing right A-10: how to?Bill Morris27 Feb 2020, 21:55
Re: Katherine JohnsonMichael Cain27 Feb 2020, 21:39
Re: Choosing right A-10: how to?David Pike27 Feb 2020, 21:30
Re: Choosing right A-10: how to?David Pike27 Feb 2020, 20:58
Re: Katherine JohnsonFrank Reed27 Feb 2020, 20:17
Katherine JohnsonDavid Pike27 Feb 2020, 19:37
Re: Choosing right A-10: how to?Tony Oz27 Feb 2020, 17:36
Re: Choosing right A-10: how to?David Pike27 Feb 2020, 10:30
Re: Choosing right A-10: how to?Gary LaPook27 Feb 2020, 06:55
Choosing right A-10: how to?Tony Oz26 Feb 2020, 15:58
Re: Artificial horizon: gyro vs bubble?David Pike24 Feb 2020, 22:07
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb 2020, 18:18
Re: Martelli Table ProvenanceDave Walden24 Feb 2020, 16:12
Re: Martelli Table ProvenanceGreg Rudzinski24 Feb 2020, 15:56
Re: Martelli Table ProvenanceRobert Wyatt24 Feb 2020, 15:37
Martelli Table ProvenanceGreg Rudzinski24 Feb 2020, 15:07
Re: Artificial horizon: gyro vs bubble?Tony Oz24 Feb 2020, 09:36
Re: Artificial horizon: gyro vs bubble?Bill Morris23 Feb 2020, 22:28
Re: UsnoFrank Maxwell20 Feb 2020, 22:39
Re: Artificial horizon: gyro vs bubble?David Pike20 Feb 2020, 17:15
Re: Artificial horizon: gyro vs bubble?Tony Oz20 Feb 2020, 08:36
Re: UsnoSean C20 Feb 2020, 05:27
USNOFrank Maxwell20 Feb 2020, 02:32
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb 2020, 22:46
Re: Artificial horizon: gyro vs bubble?David Pike19 Feb 2020, 18:36
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio19 Feb 2020, 10:28
Artificial horizon: gyro vs bubble?Tony Oz19 Feb 2020, 09:05
Re: Please help to identify a sextantTony Oz19 Feb 2020, 08:59
Re: Please help to identify a sextantDavid Pike18 Feb 2020, 19:33
Re: Please help to identify a sextantGeoffrey Kolbe18 Feb 2020, 16:56
Re: Please help to identify a sextantDave Walden18 Feb 2020, 16:03
Re: Please help to identify a sextantTony Oz18 Feb 2020, 15:27
Re: Please help to identify a sextantDavid Pike18 Feb 2020, 13:31
Re: Please help to identify a sextantDavid Pike17 Feb 2020, 23:22
Please help to identify a sextantTony Oz17 Feb 2020, 21:46
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb 2020, 21:24
Re: Kollsman periscopic sextant mountBill Morris17 Feb 2020, 21:15
Re: Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb 2020, 21:03
Re: Two Bodies + Angle Between Them = Third LoPTony Oz17 Feb 2020, 20:36
Re: Two Bodies + Angle Between Them = Third LoPFrank Reed17 Feb 2020, 19:57
Re: Two Bodies + Angle Between Them = Third LoPJohn D. Howard17 Feb 2020, 19:33
Re: Lunar distance parallactic retardationFrank Reed17 Feb 2020, 19:32
Two Bodies + Angle Between Them = Third LoPDavid Iwancio17 Feb 2020, 19:10
Re: Kollsman periscopic sextant mountGary LaPook16 Feb 2020, 07:13
Re: Kollsman periscopic sextant mountMichael Jones15 Feb 2020, 19:08
Re: Lunar distance parallactic retardationAntoine Couëtte15 Feb 2020, 18:12
Re: Automatic Plotting of LOP's using graphing calculatorBill Ritchie15 Feb 2020, 02:23
Lunar distance parallactic retardationPaul Hirose14 Feb 2020, 21:24
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb 2020, 18:43
Re: A-12 ExperiencesAndrés Ruiz14 Feb 2020, 14:39
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz14 Feb 2020, 08:45
Re: Automatic Plotting of LOP's using graphing calculatorAndrés Ruiz14 Feb 2020, 06:54
Re: Automatic Plotting of LOP's using graphing calculatorAlex Spradling14 Feb 2020, 00:34
Re: Automatic Plotting of LOP's using graphing calculatorTony Oz13 Feb 2020, 23:19
Automatic Plotting of LOP's using graphing calculatorAlex Spradling13 Feb 2020, 22:57
Re: Celestial Navigation classes in the UK in JuneFrank Reed13 Feb 2020, 20:05
Celnav apps for AndroidAndrés Ruiz13 Feb 2020, 18:01
Re: Sun Slow DayRobert VanderPol II13 Feb 2020, 14:10
Re: What does the Analemma depict?Ed Popko13 Feb 2020, 13:35
Re: What does the Analemma depict?David Iwancio12 Feb 2020, 22:27
Re: What does the Analemma depict?Steve E. Bryant12 Feb 2020, 20:46
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb 2020, 20:13
Re: Time of Sun & Moon rise and setSteve E. Bryant12 Feb 2020, 19:06
Re: What does the Analemma depict?Steve E. Bryant12 Feb 2020, 18:59
Re: Sun Slow DayEd Popko12 Feb 2020, 11:23
Re: A-12 ExperiencesEd Popko12 Feb 2020, 11:12
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose12 Feb 2020, 06:11
Re: A-12 ExperiencesDavid Pike11 Feb 2020, 19:19
Sun Slow DayFrank Reed11 Feb 2020, 18:29
Re: A-12 ExperiencesTony Oz11 Feb 2020, 18:20
Re: A-12 ExperiencesEd Popko11 Feb 2020, 13:36
Re: A-12 ExperiencesDavid Pike10 Feb 2020, 19:47
Re: Is this a real site (celestial... .info)?Bill Lionheart10 Feb 2020, 08:29
Re: A-12 ExperiencesRobert VanderPol II10 Feb 2020, 07:04
Re: Kollsman periscopic sextant mountGary LaPook10 Feb 2020, 06:46
Re: Kollsman periscopic sextant mountGary LaPook10 Feb 2020, 06:09
Re: A-12 ExperiencesGeoffrey Kolbe10 Feb 2020, 05:56
Re: A-12 ExperiencesEd Popko10 Feb 2020, 01:06
Re: A-12 ExperiencesEd Popko10 Feb 2020, 00:57
Re: Is this a real site (celestial... .info)?Ken Gebhart Jr.10 Feb 2020, 00:48
Re: Is this a real site (celestial... .info)?Frank Reed10 Feb 2020, 00:25
Re: A-12 ExperiencesTibor Miseta9 Feb 2020, 23:23
Re: Is this a real site (celestial... .info)?Philippe Posth9 Feb 2020, 19:07
Re: A-12 ExperiencesGeoffrey Kolbe9 Feb 2020, 17:47
Re: Classical Lunars diagram: who invented it ?Frank Reed9 Feb 2020, 17:46
Classical Lunars diagram: who invented it ?Antoine Couëtte9 Feb 2020, 14:43
Re: Kollsman periscopic sextant mountR William McAllister9 Feb 2020, 13:04
Re: Kollsman periscopic sextant mountDavid Pike9 Feb 2020, 12:57
A-12 ExperiencesEd Popko9 Feb 2020, 11:44
Re: Is this a real site (celestial... .info)?David C9 Feb 2020, 08:16
Re: Kollsman periscopic sextant mountGary LaPook9 Feb 2020, 05:54
Re: Is this a real site (celestial... .info)?Doug Faunt8 Feb 2020, 22:12
Re: Kollsman periscopic sextant mountJakub Stastny6 Feb 2020, 07:05
Re: Celestial Navigation classes in the UK in JuneGreg Rudzinski8 Feb 2020, 20:33
Re: Weems Star Altitude CurvesTony Oz8 Feb 2020, 20:00
Re: Is this a real site (celestial... .info)?Paul Hirose8 Feb 2020, 19:47
Celestial Navigation classes in the UK in JuneFrank Reed8 Feb 2020, 19:30
Re: Is this a real site (celestial... .info)?Frank Reed8 Feb 2020, 19:06
Re: Is this a real site (celestial... .info)?Igor S.8 Feb 2020, 18:55
Re: Weems Star Altitude CurvesFrank Reed8 Feb 2020, 18:47
Is this a real site (celestial... .info)?Doug Faunt8 Feb 2020, 17:59
Re: Weems Star Altitude CurvesMurray Peake8 Feb 2020, 09:09
Re: Weems Star Altitude CurvesMurray Peake8 Feb 2020, 08:52
Re: Weems Star Altitude CurvesTony Oz8 Feb 2020, 08:20
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte8 Feb 2020, 07:41
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed8 Feb 2020, 04:05
Re: Weems Star Altitude CurvesDave Walden7 Feb 2020, 23:08
Re: Weems Star Altitude CurvesTony Oz7 Feb 2020, 18:48
Re: Moon Venus Lunar - Interpretation of resultsAntoine Couëtte7 Feb 2020, 13:09
Re: Weems Star Altitude CurvesMurray Peake7 Feb 2020, 08:54
Re: Weems Star Altitude CurvesMurray Peake6 Feb 2020, 22:28
Re: Weems Star Altitude CurvesTony Oz6 Feb 2020, 22:06
Re: Weems Star Altitude CurvesMurray Peake6 Feb 2020, 21:05
Re: Weems Star Altitude CurvesTony Oz6 Feb 2020, 20:50
Re: Weems Star Altitude CurvesMurray Peake6 Feb 2020, 20:17
Re: Weems Star Altitude CurvesMurray Peake6 Feb 2020, 19:43
Re: Latitude by two stars observed simultaneouslyFrank Reed6 Feb 2020, 18:25
The All-Haversine formula for Hc known since 1924?Tony Oz6 Feb 2020, 17:56
Re: Weems Star Altitude CurvesTony Oz6 Feb 2020, 08:14
Re: Latitude by two stars observed simultaneouslyAlan S5 Feb 2020, 19:21
Re: History & development of HO-249Gary LaPook5 Feb 2020, 19:30
Re: History & development of HO-249Gary LaPook5 Feb 2020, 19:29
Re: History & development of HO-249Gary LaPook5 Feb 2020, 19:25
Re: History & development of HO-249Gary LaPook5 Feb 2020, 18:46
Re: Weems Star Altitude CurvesMurray Peake5 Feb 2020, 17:39
Re: Russian Tables of Computed Altitude and AzimuthTony Oz5 Feb 2020, 17:13
Re: Weems Star Altitude CurvesTony Oz5 Feb 2020, 13:51
Re: Captain Cook & celestial navigationWolfgang Köberer5 Feb 2020, 10:04
Re: History & development of HO-249Igor S.5 Feb 2020, 09:42
Re: Russian Tables of Computed Altitude and AzimuthIgor S.5 Feb 2020, 09:36
Re: Captain Cook & celestial navigationRobin Stuart4 Feb 2020, 15:47
Russian Tables of Computed Altitude and AzimuthTony Oz4 Feb 2020, 14:44
Re: History & development of HO-249David C4 Feb 2020, 03:10
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb 2020, 21:54
Re: Moon Venus Lunar - Interpretation of resultsJim Rives3 Feb 2020, 21:19
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose3 Feb 2020, 19:00
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed3 Feb 2020, 17:58
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb 2020, 06:20
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb 2020, 05:36
Re: Captain Cook & celestial navigationGeoffrey Kolbe3 Feb 2020, 05:17
Re: History & development of HO-249Frank Reed3 Feb 2020, 03:56
Re: Captain Cook & celestial navigationFrank Reed3 Feb 2020, 02:53
Re: History & development of HO-249Robert VanderPol II3 Feb 2020, 02:51
Re: A postage stamp on a football?? – try a cricket ball.Frank Reed3 Feb 2020, 02:14
Re: History & development of HO-249Gary LaPook3 Feb 2020, 00:21
Re: Moon Venus Lunar - Interpretation of resultsJim Rives2 Feb 2020, 22:26
Re: Captain Cook & celestial navigationRobin Stuart2 Feb 2020, 18:53
Re: Captain Cook & celestial navigationRobin Stuart2 Feb 2020, 18:26
History & development of HO-249Igor S.2 Feb 2020, 17:18
A postage stamp on a football?? – try a cricket ball.David Pike2 Feb 2020, 10:28
Re: Scale of InterceptSean C2 Feb 2020, 07:19
Re: Captain Cook & celestial navigationGeoffrey Kolbe2 Feb 2020, 08:10
Re: Scale of InterceptSean C2 Feb 2020, 07:14
Re: Scale of InterceptDavid C2 Feb 2020, 03:16
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed2 Feb 2020, 02:08
Re: Scale of InterceptJohn D. Howard2 Feb 2020, 01:25
Re: Scale of InterceptFrank Reed2 Feb 2020, 01:13
Re: Moon Venus Lunar - Interpretation of resultsPaul Hirose1 Feb 2020, 23:54
Re: Scale of InterceptDavid C1 Feb 2020, 21:19
Re: Scale of InterceptDavid Pike1 Feb 2020, 19:01
Re: Scale of InterceptJohn D. Howard1 Feb 2020, 17:55
Re: Scale of InterceptFrank Reed1 Feb 2020, 17:20
Scale of InterceptDavid C1 Feb 2020, 04:32
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb 2020, 01:46
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb 2020, 01:38
Re: Moon Venus Lunar - Interpretation of resultsJim Rives1 Feb 2020, 01:09
Arthur Rostron's sextantPaul Hirose31 Jan 2020, 22:15
Re: Captain Cook & celestial navigationJohn D. Howard31 Jan 2020, 18:35
Re: Moon Venus Lunar - Interpretation of resultsGeoffrey Kolbe31 Jan 2020, 15:06
Re: Moon Venus Lunar - Interpretation of resultsEd Popko31 Jan 2020, 12:36
Re: Starmaster slide rule on ebayWil Bailey31 Jan 2020, 11:56
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan 2020, 06:05
Re: Moon Venus Lunar - Interpretation of resultsSean C31 Jan 2020, 03:36
Re: Anti-spoof testing my sextantJim Rives31 Jan 2020, 03:06
Re: Moon Venus Lunar - Interpretation of resultsJim Rives31 Jan 2020, 02:59
Re: Anti-spoof testing my sextantFrank Reed31 Jan 2020, 02:07
Re: Anti-spoof testing my sextantFrank Reed31 Jan 2020, 01:57
Re: Moon Venus Lunar - Interpretation of resultsFrank Reed31 Jan 2020, 01:36
Re: Captain Cook & celestial navigationRobin Stuart30 Jan 2020, 21:07
Re: Captain Cook & celestial navigationRobin Stuart30 Jan 2020, 18:54
Anti-spoof testing my sextantJim Rives30 Jan 2020, 17:00
Moon Venus Lunar - Interpretation of resultsJim Rives30 Jan 2020, 16:49
Re: GPS Anti Spoof based on radio sextant ?David Pike30 Jan 2020, 11:50
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan 2020, 07:44
Re: Captain Cook & celestial navigationGeoffrey Kolbe30 Jan 2020, 06:58
Re: Satellite collision over northeast USJim Rives30 Jan 2020, 02:59
Re: Satellite collision over northeast USDave Walden30 Jan 2020, 00:22
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan 2020, 22:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyEd Popko29 Jan 2020, 21:26
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyDavid Pike29 Jan 2020, 21:08
Re: GPS Anti Spoof based on radio sextant ?Igor S.29 Jan 2020, 20:18
Re: Captain Cook & celestial navigationDavid Pike29 Jan 2020, 19:36
Satellite collision over northeast USFrank Reed29 Jan 2020, 19:29
Re: Captain Cook & celestial navigationRobin Stuart29 Jan 2020, 17:52
Re: Captain Cook & celestial navigationFrank Reed29 Jan 2020, 17:01
Re: Earliest Crescent Moon VisibilityHerman Dekker29 Jan 2020, 11:31
Re: GPS Anti Spoof based on radio sextant ?Frank Reed28 Jan 2020, 19:06
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed27 Jan 2020, 18:14
Re: Earliest Crescent Moon VisibilityGary LaPook27 Jan 2020, 17:30
Re: Earliest Crescent Moon VisibilityDavid Iwancio27 Jan 2020, 17:21
Re: Earliest Crescent Moon VisibilityFrank Reed27 Jan 2020, 17:04
GPS Anti Spoof based on radio sextant ?Igor S.27 Jan 2020, 16:43
Re: Earliest Crescent Moon VisibilityRobert H. van Gent27 Jan 2020, 16:41
Re: HMNAO Websites Down Too?David Iwancio27 Jan 2020, 16:22
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRobin Stuart27 Jan 2020, 14:44
Earliest Crescent Moon VisibilityHerman Dekker27 Jan 2020, 14:27
Re: Celestial navigation: easier basic principle?Ed Popko27 Jan 2020, 10:56
HMNAO Websites Down Too?David Iwancio27 Jan 2020, 07:38
Re: Celestial navigation: easier basic principle?Geoffrey Kolbe27 Jan 2020, 06:54
Re: No DR position. How can you get an accurate celestial fix?David C27 Jan 2020, 06:33
Re: Navigation devices available now on ebay.Gary LaPook27 Jan 2020, 05:02
Re: Celestial navigation: easier basic principle?Bruce Cutting27 Jan 2020, 03:23
Re: Celestial navigation: easier basic principle?Peter Monta27 Jan 2020, 02:59
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan 2020, 23:36
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyFrank Reed26 Jan 2020, 20:56
Re: Sky & Telescope Magazine article on Capt. Cook's AstronomyRoger W. Sinnott26 Jan 2020, 20:07
Re: Celestial navigation: easier basic principle?Bruce Cutting26 Jan 2020, 19:10
Cold War Hangar Navigating & Tales from On-board ShuttleR William McAllister26 Jan 2020, 18:47
Re: Celestial navigation: easier basic principle?R William McAllister26 Jan 2020, 12:51
Re: Cosine formula to solve a right spherical triangle?Ed Popko26 Jan 2020, 12:36
Re: Navigation devices available now on ebay.David Pike26 Jan 2020, 09:05
Re: Celestial navigation: easier basic principle?Peter Monta26 Jan 2020, 07:44
Sky & Telescope Magazine article on Capt. Cook's AstronomyPaul Saffo26 Jan 2020, 06:28
Re: No DR position. How can you get an accurate celestial fix?David C26 Jan 2020, 02:25
Re: Navigation devices available now on ebay.Gary LaPook25 Jan 2020, 23:17
Re: Navigation devices available now on ebay.David Pike25 Jan 2020, 19:40
Re: No DR position. How can you get an accurate celestial fix?Frank Reed25 Jan 2020, 19:12
Re: No DR position. How can you get an accurate celestial fix?Mike Burkes25 Jan 2020, 16:01
Re: No DR position. How can you get an accurate celestial fix?David Pike25 Jan 2020, 08:07
Navigation devices available now on ebay.Gary LaPook25 Jan 2020, 07:05
Celestial navigation: easier basic principle?A Ponics25 Jan 2020, 04:42
Re: No DR position. How can you get an accurate celestial fix?Peter Hakel25 Jan 2020, 03:39
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsIgor S.24 Jan 2020, 23:45
Re: No DR position. How can you get an accurate celestial fix?David Pike24 Jan 2020, 19:41
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz24 Jan 2020, 09:40
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart24 Jan 2020, 07:45
Re: Wikipedia: (Russian-language) article on Gauss's direct fix calculationsAlexandre Eremenko23 Jan 2020, 21:18
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook23 Jan 2020, 19:26
Wikipedia: (Russian-language) article on Gauss's direct fix calculationsTony Oz23 Jan 2020, 08:32
Re: Cosine formula to solve a right spherical triangle?Frank Reed23 Jan 2020, 03:36
Re: No DR position. How can you get an accurate celestial fix?Frank Reed23 Jan 2020, 02:56
Davis Instruments Prism-Level Owner's ManualRoger C Bucholz23 Jan 2020, 01:51
Re: Cosine formula to solve a right spherical triangle?David Iwancio22 Jan 2020, 23:54
Re: Captain Cook & celestial navigationDavid Pike22 Jan 2020, 22:32
Re: Why Can't My GNSS Receiver See Galileo?David Pike22 Jan 2020, 21:16
Re: Cosine formula to solve a right spherical triangle?Fred Hebard22 Jan 2020, 16:35
Captain Cook & celestial navigationRafael C. Caruso22 Jan 2020, 16:35
Re: Percy Lyall Hooker Davis' High Latitude TablesRobin Stuart22 Jan 2020, 15:50
Re: No DR position. How can you get an accurate celestial fix?David Iwancio22 Jan 2020, 09:02
Fwd: Journal of,Astronomical History and Heritage December 2019Paul Hirose22 Jan 2020, 05:18
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan 2020, 22:25
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan 2020, 21:15
Re: Why Can't My GNSS Receiver See Galileo?David C21 Jan 2020, 21:11
Re: Cosine formula to solve a right spherical triangle?Alexandre Eremenko21 Jan 2020, 20:06
Re: No DR position. How can you get an accurate celestial fix?Gary LaPook21 Jan 2020, 19:17
Re: Cosine formula to solve a right spherical triangle?David Iwancio21 Jan 2020, 18:27
Re: No DR position. How can you get an accurate celestial fix?Bill Lionheart21 Jan 2020, 11:43
Percy Lyall Hooker Davis' High Latitude TablesDavid C21 Jan 2020, 05:45
Cosine formula to solve a right spherical triangle?Rajeev Yadav21 Jan 2020, 03:27
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan 2020, 18:52
Re: Bausch and Lomb WWII Aircraft SextantsRobert Swartz20 Jan 2020, 18:29
Re: No DR position. How can you get an accurate celestial fix?Dustin Baenen20 Jan 2020, 17:42
Re: Bausch and Lomb WWII Aircraft SextantsEd Popko20 Jan 2020, 17:01
Re: Why Can't My GNSS Receiver See Galileo?Richard B. Langley20 Jan 2020, 13:07
Re: Compass CheckDavid C20 Jan 2020, 04:34
Re: Compass CheckDavid C20 Jan 2020, 04:27
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan 2020, 04:08
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan 2020, 03:49
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed20 Jan 2020, 03:15
Re: Why Can't My GNSS Receiver See Galileo?Dave Walden20 Jan 2020, 01:56
Re: No DR position. How can you get an accurate celestial fix?Ron Jones20 Jan 2020, 00:18
Re: Why Can't My GNSS Receiver See Galileo?Ian Vaughn19 Jan 2020, 21:43
Bausch and Lomb WWII Aircraft SextantsRobert Swartz19 Jan 2020, 20:08
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan 2020, 20:01
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan 2020, 19:40
Re: Why Can't My GNSS Receiver See Galileo?Bob Goethe19 Jan 2020, 19:27
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan 2020, 19:27
Re: Cold War Sun HoursDavid Pike19 Jan 2020, 19:08
Re: No DR position. How can you get an accurate celestial fix?David Pike19 Jan 2020, 18:47
Re: No DR position. How can you get an accurate celestial fix?Frank Reed19 Jan 2020, 18:13
Re: Why Can't My GNSS Receiver See Galileo?Frank Reed19 Jan 2020, 18:04
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan 2020, 17:47
Re: No DR position. How can you get an accurate celestial fix?John D. Howard19 Jan 2020, 17:41
Re: No DR position. How can you get an accurate celestial fix?Jim Rives19 Jan 2020, 17:30
No DR position. How can you get an accurate celestial fix?Robert Goldberg19 Jan 2020, 15:29
Mars Occultation Feb 18 2020Jim Rives19 Jan 2020, 14:42
IPhone 10 Compass/SextantJeremy Clark19 Jan 2020, 14:35
Lunar 17Jan20 Interpretation of ResultsJim Rives19 Jan 2020, 13:08
Why Can't My GNSS Receiver See Galileo?Sean C19 Jan 2020, 11:52
Re: Compass CheckJeremy C19 Jan 2020, 10:19
Re: Compass CheckDavid C19 Jan 2020, 08:07
Re: Compass CheckDavid C19 Jan 2020, 07:15
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan 2020, 07:03
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed19 Jan 2020, 03:08
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden19 Jan 2020, 02:45
Compass CheckDavid C19 Jan 2020, 02:12
Re: Hardly ever get an LOP than 20 NM - why?Nick M19 Jan 2020, 02:03
Re: Designed for the use of British SeamanDoug MacPherson18 Jan 2020, 23:51
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 23:45
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 23:30
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 23:21
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth18 Jan 2020, 23:03
Designed for the use of British SeamanDavid C18 Jan 2020, 22:06
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan 2020, 18:46
Re: Hardly ever get an LOP than 20 NM - why?Nick M18 Jan 2020, 17:33
Re: Hardly ever get an LOP than 20 NM - why?John D. Howard18 Jan 2020, 16:08
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C18 Jan 2020, 09:45
Re: RAF Air Navigation: listing on ebayBob Crawley18 Jan 2020, 09:16
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan 2020, 07:34
Re: Hardly ever get an LOP than 20 NM - why?Geoffrey Kolbe18 Jan 2020, 06:50
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 03:17
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 03:14
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 03:07
Re: Hardly ever get an LOP than 20 NM - why?Laurence Holden18 Jan 2020, 02:48
Time lapse coastal voyage with stars (and he can use a sextant)Dave Walden17 Jan 2020, 23:55
Re: Hardly ever get an LOP than 20 NM - why?Hewitt Schlereth17 Jan 2020, 19:58
Re: Cold War Sun HoursFrank Reed17 Jan 2020, 19:44
Re: Some pop culture sextantsFrank Reed17 Jan 2020, 19:34
Re: Hardly ever get an LOP than 20 NM - why?Frank Reed17 Jan 2020, 16:49
Re: Historic US chart & map collectionsMike Mayer17 Jan 2020, 15:29
Re: Hardly ever get an LOP than 20 NM - why?Greg Rudzinski17 Jan 2020, 14:38
Re: Hardly ever get an LOP than 20 NM - why?Fred Hebard17 Jan 2020, 14:29
Re: Hardly ever get an LOP than 20 NM - why?Jim Hickey17 Jan 2020, 14:16
Re: RAF Air Navigation: listing on ebayDavid Pike17 Jan 2020, 14:01
Re: Hardly ever get an LOP than 20 NM - why?David Pike17 Jan 2020, 10:31
Re: Hardly ever get an LOP than 20 NM - why?Jeremy C17 Jan 2020, 09:34
Re: Hardly ever get an LOP than 20 NM - why?Igor S.17 Jan 2020, 08:56
Re: Hardly ever get an LOP than 20 NM - why?Tony Oz17 Jan 2020, 08:18
Re: Hardly ever get an LOP than 20 NM - why?Alan S17 Jan 2020, 06:11
Re: Some pop culture sextantsR William McAllister17 Jan 2020, 04:25
Some pop culture sextantsFrank Reed17 Jan 2020, 04:09
Hardly ever get an LOP than 20 NM - why?Laurence HOlden17 Jan 2020, 03:42
Re: Compass direction from MoonFrank Reed17 Jan 2020, 03:20
Historic US chart & map collectionsPaul Hirose16 Jan 2020, 21:03
Re: Compass direction from MoonIgor S.16 Jan 2020, 19:44
Re: Compass direction from MoonFrank Reed16 Jan 2020, 19:05
Starlink satellites over New England tonightFrank Reed16 Jan 2020, 18:43
Compass direction from MoonHerman Dekker16 Jan 2020, 18:39
Re: Robin Stuart's paper "Probabilities in a Gaussian Cocked Hat"Robin Stuart16 Jan 2020, 16:19
Re: RAF Air Navigation: listing on ebayBob Crawley16 Jan 2020, 10:27
GPS jammingGary LaPook16 Jan 2020, 08:20
Re: Curve fitting for noon SunRafael C. Caruso16 Jan 2020, 00:10
Re: Stellarium, refraction, HPEd Popko15 Jan 2020, 23:47
Re: RAF Air Navigation: listing on ebayDavid Pike15 Jan 2020, 19:36
Re: Stellarium, refraction, HPJim Rives15 Jan 2020, 17:40
Re: Stellarium, refraction, HPEd Popko15 Jan 2020, 13:10
Re: SpaceX Starlink launch: photo celestialDavid Pike15 Jan 2020, 08:32
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan 2020, 04:02
Re: Stellarium, refraction, HP ---- YES!Joe Suligoy15 Jan 2020, 03:20
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan 2020, 01:45
Re: Stellarium, refraction, HP ---- YES!Frank Reed15 Jan 2020, 01:22
Re: SpaceX Starlink launch: photo celestialFrank Reed15 Jan 2020, 01:08
Re: Stellarium, refraction, HP ---- YES!Jim Rives15 Jan 2020, 00:18
Re: Stellarium, refraction, HPJim Rives15 Jan 2020, 00:03
Re: Stellarium, refraction, HPFrank Reed14 Jan 2020, 23:57
Re: Curve fitting for noon SunFrank Reed14 Jan 2020, 23:42
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan 2020, 22:52
Re: Yellow page in NADavid Iwancio14 Jan 2020, 22:33
Re: Curve fitting for noon SunRafael C. Caruso14 Jan 2020, 22:18
Re: Yellow page in NADavid C14 Jan 2020, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan 2020, 20:01
Re: Curve fitting for noon SunFrank Reed14 Jan 2020, 19:37
Re: Stellarium, refraction, HPPaul Hirose14 Jan 2020, 19:31
Re: Curve fitting for noon SunDave Walden14 Jan 2020, 15:10
Re: SpaceX Starlink launch: photo celestialDavid Pike14 Jan 2020, 09:00
Re: Yellow page in NADavid Iwancio14 Jan 2020, 06:49
Re: Stellarium, refraction, HPFrank Reed14 Jan 2020, 03:42
Re: Stellarium, refraction, HPJim Rives14 Jan 2020, 02:54
Re: Stellarium, refraction, HPFrank Reed14 Jan 2020, 01:43
Re: SpaceX Starlink launch: photo celestialFrank Reed14 Jan 2020, 01:25
Re: Stellarium, refraction, HPJim Rives14 Jan 2020, 01:00
Re: Curve fitting for noon SunHewitt Schlereth14 Jan 2020, 00:38
Re: Yellow page in NARafael C. Caruso13 Jan 2020, 20:58
Re: Curve fitting for noon SunRafael C. Caruso13 Jan 2020, 20:32
Re: Survival at Sea, Stove by an OrcaFrank Reed13 Jan 2020, 19:27
Cold War Sun HoursR William McAllister13 Jan 2020, 17:59
Re: Yellow page in NADavid Pike13 Jan 2020, 17:49
Re: Yellow page in NARobert VanderPol II13 Jan 2020, 17:46
Re: Curve fitting for noon SunIgor S.13 Jan 2020, 17:00
Re: Air Almanac 2020 full pdf now available...Thomas Spidle13 Jan 2020, 16:01
Re: Yellow page in NAMichael Cain13 Jan 2020, 15:53
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan 2020, 09:37
Yellow page in NAIgor S.13 Jan 2020, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan 2020, 09:12
Re: Survival at Sea, Stove by an OrcaBill Lionheart13 Jan 2020, 09:07
Re: Stellarium, refraction, HPJim Rives13 Jan 2020, 04:45
Re: Stellarium, refraction, HPFrank Reed13 Jan 2020, 04:23
Re: Stellarium, refraction, HPJim Rives13 Jan 2020, 04:08
Survival at Sea, Stove by an OrcaFrank Reed13 Jan 2020, 03:33
Re: Curve fitting for noon SunJohn D. Howard13 Jan 2020, 01:35
Re: Stellarium, refraction, HPJim Rives13 Jan 2020, 01:09
Re: Curve fitting for noon SunFrank Reed13 Jan 2020, 01:00
Re: Curve fitting for noon SunBrad Morris13 Jan 2020, 00:52
Re: Curve fitting for noon SunFrank Reed13 Jan 2020, 00:20
Re: Curve fitting for noon SunDavid Fleming13 Jan 2020, 00:19
Re: Curve fitting for noon SunFrank Reed13 Jan 2020, 00:02
Re: Curve fitting for noon SunBrad Morris12 Jan 2020, 23:41
Re: Stellarium, refraction, HPFrank Reed12 Jan 2020, 23:13
Curve fitting for noon SunRafael C. Caruso12 Jan 2020, 16:33
Re: Stellarium, refraction, HPJim Rives12 Jan 2020, 14:11
Re: SpaceX Starlink launch: photo celestialR William McAllister12 Jan 2020, 13:37
Re: Mystery Navy DeviceGeoffrey Kolbe12 Jan 2020, 13:18
Re: SpaceX Starlink launch: photo celestialDavid Pike12 Jan 2020, 09:08
Re: SpaceX Starlink launch: photo celestialFrank Reed12 Jan 2020, 02:57
Re: Reed's Lunars Calculator AnniversaryFrank Reed12 Jan 2020, 00:50
Re: Reed's Lunars Calculator AnniversaryEd Popko12 Jan 2020, 00:15
Re: Stellarium, refraction, HPEd Popko12 Jan 2020, 00:09
Re: Mystery Navy DeviceLuc Van den Borre11 Jan 2020, 23:15
Re: Reed's Lunars Calculator AnniversaryBrad Morris11 Jan 2020, 18:56
Re: Stellarium, refraction, HPJim Rives11 Jan 2020, 18:08
Re: Mystery Navy DeviceWilliam Edward Henry11 Jan 2020, 18:28
Reed's Lunars Calculator AnniversaryEd Popko11 Jan 2020, 12:46
Re: Stellarium, refraction, HPEd Popko11 Jan 2020, 12:39
Re: SpaceX Starlink launch: photo celestialFrank Reed11 Jan 2020, 01:22
Re: Stellarium, refraction, HPJim Rives11 Jan 2020, 01:20
Re: Stellarium, refraction, HPJoe Suligoy10 Jan 2020, 23:51
Re: Stellarium, refraction, HPEd Popko10 Jan 2020, 11:23
Re: Jupiter-Saturn Conjunction: 21 Dec 2020Brad Morris10 Jan 2020, 03:25
Jupiter-Saturn Conjunction: 21 Dec 2020Frank Reed10 Jan 2020, 02:57
Re: Stellarium, refraction, HPFrank Reed10 Jan 2020, 01:32
Re: Stellarium, refraction, HPJim Rives9 Jan 2020, 23:24
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan 2020, 22:35
Stellarium, refraction, HPJim Rives9 Jan 2020, 21:25
Re: RAF Air Navigation: listing on ebayDavid Pike9 Jan 2020, 21:59
Re: Moon’s SDJim Rives9 Jan 2020, 21:11
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan 2020, 20:12
Re: SpaceX Starlink launch: photo celestialFrank Reed9 Jan 2020, 19:56
RAF Air Navigation: listing on ebayBob Crawley9 Jan 2020, 19:27
Re: SpaceX Starlink launch: photo celestialGreg Rudzinski9 Jan 2020, 15:23
Re: Position bias from UTCDavid Iwancio9 Jan 2020, 11:33
Re: SpaceX Starlink launch: photo celestialDavid Pike9 Jan 2020, 10:34
Re: Position bias from UTCPaul Hirose9 Jan 2020, 06:22
Re: SpaceX Starlink launch: photo celestialDavid Pike8 Jan 2020, 22:34
SpaceX Starlink launch: photo celestialFrank Reed8 Jan 2020, 20:10
Re: Moon’s SDFrank Reed8 Jan 2020, 19:19
Re: Variation or Declination?Brad Morris8 Jan 2020, 17:46
Captain Cook's AstronomyRobin Stuart8 Jan 2020, 17:25
Re: Variation or Declination?Frank Reed8 Jan 2020, 17:22
Re: Variation or Declination?Jim Rives8 Jan 2020, 17:01
Re: Variation or Declination?David Pike8 Jan 2020, 16:40
Re: Variation or Declination?Joe Suligoy8 Jan 2020, 04:44
Re: Moon’s SDJim Rives8 Jan 2020, 03:49
Re: Variation or Declination?Frank Reed8 Jan 2020, 03:30
Variation or Declination?David C8 Jan 2020, 03:08
Re: Position bias from UTCJohn D. Howard8 Jan 2020, 02:52
Re: Beidou Network OperationalFrank Reed8 Jan 2020, 00:21
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan 2020, 23:59
Beidou Network OperationalDavid C7 Jan 2020, 23:26
Re: Position bias from UTCPaul Hirose7 Jan 2020, 21:46
Re: Moon’s SDFrank Reed7 Jan 2020, 17:09
Re: Moon’s SDMurray Peake7 Jan 2020, 17:09
Re: Longitude by Lunar OccultationRobin Stuart7 Jan 2020, 17:08
Moon’s SDJim Rives7 Jan 2020, 14:02
Re: A strange addition to a sextantRobert Eno7 Jan 2020, 04:55
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy7 Jan 2020, 04:01
Re: Navigating in Microsoft Flight SimulatorJim Rives7 Jan 2020, 03:17
Re: Navigating in Microsoft Flight SimulatorFrank Reed7 Jan 2020, 02:25
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan 2020, 23:54
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan 2020, 23:39
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan 2020, 19:50
Re: Navigating in Microsoft Flight SimulatorDustin Baenen6 Jan 2020, 19:18
Re: Navigating in Microsoft Flight SimulatorJoe Suligoy6 Jan 2020, 17:49
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan 2020, 15:41
Re: Kollsman periscopic sextant mountKen Gebhart6 Jan 2020, 15:36
Re: Navigating in Microsoft Flight SimulatorDavid Pike6 Jan 2020, 09:21
Re: Navigating in Microsoft Flight SimulatorJim Rives6 Jan 2020, 03:14
Navigating in Microsoft Flight SimulatorFrank Reed6 Jan 2020, 00:59
Re: Kollsman periscopic sextant mountJacob M. Huffman III6 Jan 2020, 00:14
Re: Dating Hughes and Son sextantsFred Hebard5 Jan 2020, 19:19
Re: A strange addition to a sextantPhilippe Posth5 Jan 2020, 08:52
Re: Dating Hughes and Son sextantsBill Morris5 Jan 2020, 07:13
Re: Dating Hughes and Son sextantsFred Hebard5 Jan 2020, 05:06
Re: Dating Hughes and Son sextantsDavid Pike4 Jan 2020, 23:07
Re: A strange addition to a sextantJackson McDonald4 Jan 2020, 22:08
Re: A strange addition to a sextantGary LaPook4 Jan 2020, 21:42
Re: Position bias from UTCRobin Stuart4 Jan 2020, 21:38
Re: Dating Hughes and Son sextantsFrank Reed4 Jan 2020, 21:28
Re: A strange addition to a sextantFrank Reed4 Jan 2020, 21:22
Re: Longitude by Lunar OccultationRobin Stuart4 Jan 2020, 21:12
Re: Dating Hughes and Son sextantsFred Hebard4 Jan 2020, 21:11
Re: Position bias from UTCDavid Iwancio4 Jan 2020, 20:51
A strange addition to a sextantGary LaPook4 Jan 2020, 19:14
Re: Position bias from UTCFrank Reed4 Jan 2020, 18:37
Re: Longitude by Lunar OccultationFrank Reed4 Jan 2020, 18:09
Position bias from UTCRobin Stuart4 Jan 2020, 16:49
Re: Longitude by Lunar OccultationRobin Stuart4 Jan 2020, 16:01
Re: Dating Hughes and Son sextantsFrancis Upchurch4 Jan 2020, 06:45
Re: Dating Hughes and Son sextantsSean C4 Jan 2020, 05:45
NPR article on BetelgeuseRommel John Miller4 Jan 2020, 01:48
Re: Dating Hughes and Son sextantsNiall Fitzpatrick3 Jan 2020, 09:24
Re: Pilot watch slide rulesPaul Hirose3 Jan 2020, 07:50
Re: Radium Infused Bubble SextantPaul Dolkas3 Jan 2020, 04:36
Re: How high is "Angels One Five"?John D. Howard3 Jan 2020, 03:25
Re: How high is "Angels One Five"?Bob Goethe3 Jan 2020, 03:13
How high is "Angels One Five"?Tony Oz3 Jan 2020, 02:41
Re: Pilot watch slide rulesPaul Dolkas3 Jan 2020, 02:34
Re: Unusual SunIgor S.1 Jan 2020, 22:30
Re: Air Almanac 2020 full pdf now available...David C1 Jan 2020, 20:33
Re: Unusual SunDavid C1 Jan 2020, 20:15
Re: Correcting for the movement of an observer: a plausible explanation?David Pike1 Jan 2020, 20:03
Re: Unusual SunBill Ritchie1 Jan 2020, 17:35
Unusual SunDavid C1 Jan 2020, 06:53
Re: New Year's EveDavid C1 Jan 2020, 04:06
Re: New Year's EveJohn D. Howard1 Jan 2020, 03:42
Re: New Year's EveDavid C1 Jan 2020, 03:11
Re: Correcting for the movement of an observer: a plausible explanation?Gary LaPook1 Jan 2020, 01:08

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