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  Topic Topic Starter Replies Last Post
question on 120 degree spread between stars versus 60 degrees briangetty 1 February 26, 2022 09:12 AM
LTA dcwalker 1 November 11, 2021 09:25 PM
Please check out Starpath articles and videos David Burch 0 November 11, 2021 09:17 PM
Why are the questions in the year 1978? mickey 1 September 24, 2021 12:22 PM
Charts for Atlantic crossing mickey 3 September 24, 2021 12:16 PM
StarFinder Epoch John Pinto 7 September 12, 2021 12:11 PM
Running fix with course changes — HBS Prob 15 David Burch 0 August 26, 2021 10:11 PM
Sail Docs Query: Tropical Storm Elsa FredR 1 July 06, 2021 02:45 PM
Casio F-91W watches John Pinto 6 June 25, 2021 03:01 PM
Exercise 3.4 Q4 Geoff 1 June 16, 2021 08:25 PM
Exercise 3.4 Q2 Geoff 3 June 15, 2021 04:46 PM
Naval Observatory Site is Down John Pinto 2 June 11, 2021 08:04 AM
Using NAO tables for low sights in CelNav book John Pinto 16 May 21, 2021 08:02 PM
Mark 3 Sextant use John Pinto 8 May 21, 2021 11:55 AM
NAO Concise SR - math explanation John Pinto 0 May 21, 2021 05:16 AM
CelNav book - exercise 4.3 - parallel ruler? John Pinto 1 May 14, 2021 12:08 PM
Celestial Navigation on land - corrections for altitude? John Pinto 2 May 11, 2021 12:27 AM
Almanac data question about superscript n John Pinto 1 May 09, 2021 10:55 AM
Pub 249 extract in CelNav Ed 2 Lance 1 May 08, 2021 01:47 PM
Tutorial Video for the NAO Concise Sight Reduction Tables John Pinto 1 May 04, 2021 02:50 PM
Waxing or waning? David Burch 2 May 04, 2021 08:53 AM
Using the Ever Given grounding to demo echart nav methods David Burch 0 April 20, 2021 09:27 PM
Star Finder 2102 Andy W 10 April 10, 2021 05:59 PM
Lunar distance iterations Lance 3 March 29, 2021 08:08 PM
Iterations Lance 0 March 29, 2021 05:44 AM
StarPilot Help File Lance 2 March 26, 2021 01:55 PM
observation on chapter 7 briangetty 1 March 26, 2021 10:22 AM
Minor Issues with StarPilot Lance 14 March 24, 2021 07:21 PM
Classic Weems sextant in our Bosun's Locker David Burch 0 March 23, 2021 02:32 PM
Sun rising angle John 2 March 22, 2021 03:06 PM
Hawaii by Sextant Problem 8 Lance 0 March 16, 2021 12:44 PM
Polaris Altitude Correction Tables Ed8Lbz 1 March 14, 2021 03:38 PM
CN99-0040 Ed8Lbz 2 March 10, 2021 10:52 AM
Practice Sight: Critique of my Sun and Jupiter sight welcomed Chris Faris 3 March 08, 2021 04:18 PM
Practice Site: Moon shot critique welcomed Chris Faris 0 March 07, 2021 08:36 PM
How close can I get with LAN? Jon 14 March 04, 2021 11:27 AM
Work-forms with hints bruce 8 February 27, 2021 01:26 PM
Freiberger Sextants Stoertebeker 3 January 31, 2021 07:28 PM
Setting up Fit Slope graph by hand Soulstice 3 January 24, 2021 06:18 PM
Issues using StarPilot app with iPad Pro Soulstice 1 January 18, 2021 08:19 PM
RFix....when to adjust DR Jon 1 January 06, 2021 09:16 AM
Relationship between LHA and Z Jon 1 December 25, 2020 10:21 AM
HBS Problem 27: Calculating Great Circle by hand Jon 2 December 19, 2020 10:48 AM
Sight Reduction tables Z value discrepancy eutectic77 2 December 11, 2020 11:54 AM
Resilvering Sextant Mirrors LVNMDRM 1 December 10, 2020 08:53 PM
HBS....approach to Pailolo Channel Jon 2 December 07, 2020 09:44 PM
NAO sight vs 249 reduction navi 15 December 03, 2020 10:26 AM
9.5 and 9.6 : In the mountains? Michael Donatz 2 November 28, 2020 12:57 PM
Useful table: nmi per deg of Lon David Burch 0 October 25, 2020 09:04 AM
d corr question JACK2 1 September 28, 2020 12:25 PM
Trig help JACK2 2 September 23, 2020 04:37 PM
Stark tables Arnold 11 August 15, 2020 05:03 PM
StarPilot updates David Burch 0 August 05, 2020 01:52 PM
Simple question about p-value Table 3 Arnold 4 July 23, 2020 05:15 PM
Weird question - LOP from Polaris? bruce 2 June 08, 2020 11:40 AM
Stellarium for practice? bruce 1 June 03, 2020 07:32 AM
Choosing the wrong A-Lon? bruce 0 May 31, 2020 03:31 PM
Celestial Navigation Exercise 5.4 #2 Brad 8 May 14, 2020 08:27 PM
How do you check for errors? bruce 1 April 19, 2020 04:22 PM
Work form for Rhumb Line Route via Mid Latitude Lance 0 April 14, 2020 08:05 PM
An attempt at a form for Rhumb Line by Mid Latitude Lance 1 April 14, 2020 07:43 PM
Another Work Form - DR by Mercator Sailing Lance 0 April 14, 2020 07:33 PM
Form for calculating Route by Mercator Sailing Lance 0 April 14, 2020 07:27 PM
Adequate Index shades? Lance 1 April 14, 2020 07:46 AM
Plastic sextant use Lance 5 April 11, 2020 08:51 PM
If you don't have an artificial horizon... Lance 3 April 10, 2020 07:24 PM
Hawaii By Sextant: Problem #1 Ian 6 April 09, 2020 06:34 PM
Hawaii By Sextant: Special Problem #3 Ian 1 April 09, 2020 01:31 PM
An attempt at a simpler form for use with Kolbe LTA Lance 2 April 08, 2020 12:51 AM
mathematically advancing an LOP? bruce 6 April 06, 2020 07:52 PM
plotting sheets - larger scale? bruce 3 April 04, 2020 07:48 PM
CelNav 2nd ed. problem 9.5 via NAO tables Lance 4 April 03, 2020 03:10 AM
Hawaii By Sextant: Special Problem #1 Ian 4 April 03, 2020 07:20 AM
Hawaii by Sextant - Appendix 3 Jerold Frakes 5 April 03, 2020 06:05 AM
Problem 9.8 CelNav 2nd Ed, page 105 Lance 0 April 02, 2020 02:44 PM


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