NavList threads from 2013

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01 Jan 2013 – 01 Jan 2013 : Question about UT1-UTC

1. 2013-01-01 00:52 Sean C
2. 2013-01-01 03:22 Frank Reed
3. 2013-01-01 04:39 Sean C

01 Jan 2013 – 02 Jan 2013 : Nautical Almanac Trivia

1. 2013-01-01 18:33 Sean C
2. 2013-01-01 19:45 Lu Abel
3. 2013-01-02 03:36 Sean C

02 Jan 2013 – 02 Jan 2013 : Perihelion today, greatest SD

1. 2013-01-02 17:41 Frank Reed
2. 2013-01-02 18:48 Marcel Tschudin

02 Jan 2013 – 03 Jan 2013 : Magnetic compass sextant fix teaching.

1. 2013-01-02 18:48 Byron Franklin
2. 2013-01-03 00:59 Byron Franklin

03 Jan 2013 – 03 Jan 2013 : More Martelli Tables

1. 2013-01-03 17:08 Robert Bernecky

03 Jan 2013 – 03 Jan 2013 : Re: accuracy of Cook's lunars:journal entries.

1. 2013-01-03 19:58 Bill Morris
2. 2013-01-03 22:26 Frank Reed

03 Jan 2013 – 03 Jan 2013 : Re: more Martelli Tables

1. 2013-01-03 18:00 Greg Rudzinski
2. 2013-01-03 19:21 Frank Reed
3. 2013-01-03 23:01 Lars Bergman
4. 2013-01-03 23:14 James N Wilson

31 Dec 2012 – 04 Jan 2013 : Modified Martelli Table V

1. 2012-12-31 21:19 Greg Rudzinski
2. 2013-01-01 03:35 Hewitt Schlereth
3. 2013-01-01 13:54 Sean C
4. 2013-01-02 23:39 Frank Reed
5. 2013-01-03 00:44 Greg Rudzinski
6. 2013-01-03 05:07 Hewitt Schlereth
7. 2013-01-03 19:38 Frank Reed
8. 2013-01-04 01:46 Hewitt Schlereth

03 Jan 2013 – 04 Jan 2013 : Re: Lunars and accuracy generally: ad hominem remarks.

1. 2013-01-03 19:48 Bill Morris
2. 2013-01-04 02:18 Brad Morris

04 Jan 2013 – 04 Jan 2013 : Corrected Martelli Tables

1. 2013-01-04 02:25 Robert Bernecky

05 Jan 2013 – 05 Jan 2013 : ROFL Nautical Almanac

1. 2013-01-05 01:06 Lu Abel
2. 2013-01-05 04:05 Stan K
3. 2013-01-05 04:12 Bill B
4. 2013-01-05 13:56 Richard B. Langley

06 Jan 2013 – 06 Jan 2013 : King Haakon Bay Chart Location

1. 2013-01-06 03:02 Bruce J. Pennino
2. 2013-01-06 08:41 Geoffrey Kolbe

29 Dec 2012 – 06 Jan 2013 : Star positions.

1. 2012-12-29 14:11 Örjan Sandström
2. 2013-01-05 20:13 Paul Hirose
3. 2013-01-06 09:59 Örjan Sandström

06 Jan 2013 – 06 Jan 2013 : Test

1. 2013-01-06 09:28 Bill B
2. 2013-01-06 19:43 Frank Reed

07 Jan 2013 – 07 Jan 2013 : ADMIN: outage this weekend

1. 2013-01-07 04:04 Frank Reed

07 Jan 2013 – 07 Jan 2013 : ADMIN: S Aktug... posting code

1. 2013-01-07 04:07 Frank Reed

02 Jan 2013 – 07 Jan 2013 : Lunars and accuracy generally

1. 2013-01-02 18:55 Frank Reed
2. 2013-01-02 23:13 Greg Rudzinski
3. 2013-01-03 00:33 Frank Reed
4. 2013-01-03 01:30 Greg Rudzinski
5. 2013-01-03 06:47 Bill B
6. 2013-01-03 23:11 Frank Reed
7. 2013-01-07 17:36 Frank Reed

07 Jan 2013 – 08 Jan 2013 : Sun's daily azimuth change

1. 2013-01-07 19:30 Mike Burkes
2. 2013-01-08 05:41 Peter Hakel

07 Jan 2013 – 08 Jan 2013 : Bruce Stark

1. 2013-01-07 19:30 Mike Burkes
2. 2013-01-08 06:14 Geoffrey Kolbe

05 Jan 2013 – 08 Jan 2013 : Standard Deviation Question

1. 2013-01-05 01:10 William Hawes
2. 2013-01-05 02:21 David Fleming
3. 2013-01-05 03:30 Bill Morris
4. 2013-01-05 03:54 Bill B
5. 2013-01-05 05:00 Greg Rudzinski
6. 2013-01-05 10:24 Marcel Tschudin
7. 2013-01-05 14:10 Richard B. Langley
8. 2013-01-05 16:14 Tom Sult
9. 2013-01-05 16:27 Richard B. Langley
10. 2013-01-05 20:53 William Hawes
11. 2013-01-05 23:11 Bill B
12. 2013-01-06 04:15 David Fleming
13. 2013-01-06 09:37 Bill B
14. 2013-01-06 11:53 Marcel Tschudin
15. 2013-01-06 12:01 Marcel Tschudin
16. 2013-01-06 17:58 Greg Rudzinski
17. 2013-01-06 18:22 Robert Bernecky
18. 2013-01-06 23:46 Gary LaPook
19. 2013-01-07 02:29 Greg Rudzinski
20. 2013-01-07 15:36 Marcel Tschudin
21. 2013-01-07 23:06 Lars Bergman
22. 2013-01-08 09:15 Marcel Tschudin
23. 2013-01-08 13:12 Lars Bergman
24. 2013-01-08 13:33 Dave Walden
25. 2013-01-08 20:54 Jaap vd Heide

09 Jan 2013 – 09 Jan 2013 : ADMIN: some changes to delivery, message numbers

1. 2013-01-09 04:35 Frank Reed

09 Jan 2013 – 09 Jan 2013 : Ebay "reproduction"

1. 2013-01-09 13:36 Dave Walden

09 Jan 2013 – 09 Jan 2013 : Re: Artificial Horizon K&ENo 6 repaired

1. 2013-01-09 15:49 Alexandre Eremenko

08 Jan 2013 – 09 Jan 2013 : Simulating sight data with spreadsheets

1. 2013-01-08 19:09 Frank Reed
2. 2013-01-08 19:37 Örjan Sandström
3. 2013-01-08 21:25 Hewitt Schlereth
4. 2013-01-09 19:42 Örjan Sandström

09 Jan 2013 – 09 Jan 2013 : Sun Azimuth

1. 2013-01-09 15:14 Mike Burkes
2. 2013-01-09 16:10 Greg Rudzinski
3. 2013-01-09 16:40 Greg Rudzinski
4. 2013-01-09 17:54 Mike Burkes
5. 2013-01-09 22:55 Bill B

08 Jan 2013 – 10 Jan 2013 : Are there good maps on Internet?

1. 2013-01-08 22:53 Alexandre Eremenko
2. 2013-01-08 23:34 Sean C
3. 2013-01-08 23:45 Tom Sult
4. 2013-01-09 02:51 Ken Muldrew
5. 2013-01-09 04:06 Philip Lange
6. 2013-01-09 23:23 Alexandre Eremenko
7. 2013-01-10 00:43 Sean C

09 Jan 2013 – 10 Jan 2013 : Celetrial bodies 1600

1. 2013-01-09 01:13 Byron Franklin
2. 2013-01-09 03:20 Frank Reed
3. 2013-01-09 14:10 Alexandre Eremenko
4. 2013-01-10 00:49 Byron Franklin
5. 2013-01-10 02:15 Frank Reed

10 Jan 2013 – 10 Jan 2013 : Error Estimation

1. 2013-01-10 04:05 Hanno Ix

09 Jan 2013 – 10 Jan 2013 : Re: Troughton and Simms sextant

1. 2013-01-09 22:35 Bill Morris
2. 2013-01-10 03:06 Henry Halboth
3. 2013-01-10 06:07 Norm Goldblatt
4. 2013-01-10 12:22 Brad Morris

07 Jan 2013 – 10 Jan 2013 : Measure the Sun's diameter

1. 2013-01-07 18:45 Frank Reed
2. 2013-01-07 19:05 Frank Reed
3. 2013-01-08 16:16 Örjan Sandström
4. 2013-01-08 18:16 Frank Reed
5. 2013-01-08 19:16 Örjan Sandström
6. 2013-01-09 08:32 Andrés Ruiz
7. 2013-01-09 10:39 Gary LaPook
8. 2013-01-10 17:30 Örjan Sandström

09 Jan 2013 – 10 Jan 2013 : Re: ebay "reproduction"

1. 2013-01-09 14:23 Alexandre Eremenko
2. 2013-01-09 19:59 Frank Reed
3. 2013-01-09 21:44 Greg R_
4. 2013-01-09 23:04 Alexandre Eremenko
5. 2013-01-10 05:55 Geoffrey Kolbe
6. 2013-01-10 17:42 Frank Reed

10 Jan 2013 – 10 Jan 2013 : Nautical Almanac 2013

1. 2013-01-10 19:23 Andrés Ruiz

10 Jan 2013 – 10 Jan 2013 : Practicality of measurement of lunar distance for time to 1/4 hour withcarefully tapered and graduated stick?

1. 2013-01-10 21:01 Stephen H.

29 Dec 2012 – 10 Jan 2013 : Re: accuracy of Cook's lunars

1. 2012-12-29 16:26 Sean C
2. 2012-12-29 19:06 Alexandre Eremenko
3. 2012-12-30 20:39 George Brandenburg
4. 2012-12-30 21:52 John H
5. 2012-12-31 19:05 Tom Sult
6. 2012-12-31 20:01 Lu Abel
7. 2012-12-31 20:06 Alexandre Eremenko
8. 2012-12-31 20:14 Alexandre Eremenko
9. 2012-12-31 21:09 Tom Sult
10. 2012-12-31 21:21 Frank Reed
11. 2012-12-31 21:42 John H
12. 2012-12-31 22:01 Lu Abel
13. 2012-12-31 22:07 John H
14. 2012-12-31 22:17 John H
15. 2012-12-31 22:57 Tom Sult
16. 2012-12-31 23:22 Alexandre Eremenko
17. 2013-01-01 00:14 Tom Sult
18. 2013-01-01 03:44 Frank Reed
19. 2013-01-03 22:47 Frank Reed
20. 2013-01-03 22:52 Ken Muldrew
21. 2013-01-04 19:29 John H
22. 2013-01-07 04:32 Hanno Ix
23. 2013-01-07 04:59 Alexandre Eremenko
24. 2013-01-07 05:15 Alexandre Eremenko
25. 2013-01-07 15:01 John H
26. 2013-01-07 15:24 Alexandre Eremenko
27. 2013-01-07 20:30 Frank Reed
28. 2013-01-07 21:29 Henry Halboth
29. 2013-01-07 21:42 Alexandre Eremenko
30. 2013-01-07 22:11 Frank Reed
31. 2013-01-07 22:19 Alexandre Eremenko
32. 2013-01-08 02:17 Hanno Ix
33. 2013-01-08 02:24 Henry Halboth
34. 2013-01-08 02:51 Alexandre Eremenko
35. 2013-01-08 02:55 Alexandre Eremenko
36. 2013-01-08 03:02 Hanno Ix
37. 2013-01-08 03:07 Henry Halboth
38. 2013-01-08 06:11 Geoffrey Kolbe
39. 2013-01-09 15:19 John H
40. 2013-01-09 23:15 Alexandre Eremenko
41. 2013-01-10 21:38 John H

09 Jan 2013 – 11 Jan 2013 : Artificial Horizon K&E No 6 repaired

1. 2013-01-09 01:44 Bruce J. Pennino
2. 2013-01-09 03:21 Frank Reed
3. 2013-01-09 04:23 Bruce J. Pennino
4. 2013-01-09 13:59 Alexandre Eremenko
5. 2013-01-09 15:22 Bruce J. Pennino
6. 2013-01-09 19:44 Bill Morris
7. 2013-01-09 22:36 Alexandre Eremenko
8. 2013-01-11 11:49 Sean C

11 Jan 2013 – 11 Jan 2013 : Re: Testing the dip meter

1. 2013-01-11 22:40 Alexandre Eremenko

12 Jan 2013 – 12 Jan 2013 : Bubble sextant in U-2

1. 2013-01-12 00:20 Paul Hirose

08 Jan 2013 – 12 Jan 2013 : Yet another modified 2102-D star finder

1. 2013-01-08 06:52 John Forrest
2. 2013-01-08 08:01 Gary LaPook
3. 2013-01-08 10:07 Gary LaPook
4. 2013-01-08 12:40 John Forrest
5. 2013-01-08 14:45 Sean C
6. 2013-01-08 15:31 Greg Rudzinski
7. 2013-01-08 19:41 Byron Franklin
8. 2013-01-08 20:22 Frank Reed
9. 2013-01-08 21:48 Byron Franklin
10. 2013-01-09 04:01 John Forrest
11. 2013-01-09 23:40 Byron Franklin
12. 2013-01-10 08:28 Gary LaPook
13. 2013-01-10 21:03 Byron Franklin
14. 2013-01-11 13:17 John Forrest
15. 2013-01-12 03:31 Byron Franklin

11 Jan 2013 – 12 Jan 2013 : Timesight near sunset?

1. 2013-01-11 23:14 Bruce J. Pennino
2. 2013-01-12 01:09 Greg Rudzinski
3. 2013-01-12 05:28 Örjan Sandström

12 Jan 2013 – 12 Jan 2013 : A-10 Replacement Bubble Cell

1. 2013-01-12 15:32 Joseph Rheubeck

12 Jan 2013 – 12 Jan 2013 : Tables Requisite: 1781

1. 2013-01-12 20:19 Frank Reed

12 Jan 2013 – 12 Jan 2013 : Diy pocket editions

1. 2013-01-12 21:14 Andrew Nikitin

10 Jan 2013 – 12 Jan 2013 : Modified NavList

1. 2013-01-10 23:03 Marcel Tschudin
2. 2013-01-11 06:14 Paul Hirose
3. 2013-01-12 22:09 Frank Reed

09 Jan 2013 – 12 Jan 2013 : Troughton and Simms

1. 2013-01-09 02:47 Norm Goldblatt
2. 2013-01-09 03:31 Frank Reed
3. 2013-01-09 12:15 Norm Goldblatt
4. 2013-01-09 14:07 Alexandre Eremenko
5. 2013-01-09 18:42 Frank Reed
6. 2013-01-10 17:14 Noell Wilson
7. 2013-01-10 17:30 Noell Wilson
8. 2013-01-10 19:23 Norm Goldblatt
9. 2013-01-11 00:24 Norm Goldblatt
10. 2013-01-11 01:19 Frank Reed
11. 2013-01-11 06:04 Norm Goldblatt
12. 2013-01-11 17:59 Norm Goldblatt
13. 2013-01-11 18:33 Frank Reed
14. 2013-01-11 21:11 Norm Goldblatt
15. 2013-01-12 18:49 Norm Goldblatt
16. 2013-01-12 19:27 Alexandre Eremenko
17. 2013-01-12 20:41 Frank Reed
18. 2013-01-12 21:02 Frank Reed
19. 2013-01-12 21:58 Bruce J. Pennino
20. 2013-01-12 23:13 Norm Goldblatt

13 Jan 2013 – 13 Jan 2013 : Re: Troughton and Simms: Vernier acuity

1. 2013-01-13 00:23 Bill Morris

13 Jan 2013 – 13 Jan 2013 : Re: diy pocket editions II

1. 2013-01-13 01:29 Hanno Ix

12 Jan 2013 – 13 Jan 2013 : Re: diy pocket editions

1. 2013-01-12 21:39 Bill B
2. 2013-01-12 21:48 Tom Sult
3. 2013-01-12 22:53 Hanno Ix
4. 2013-01-13 03:15 Andrew Nikitin

13 Jan 2013 – 13 Jan 2013 : U-2 Navigation

1. 2013-01-13 13:21 Joseph Rheubeck

12 Jan 2013 – 13 Jan 2013 : French Lunar story

1. 2013-01-12 20:59 Alexandre Eremenko
2. 2013-01-12 21:31 Frank Reed
3. 2013-01-13 04:08 Alexandre Eremenko
4. 2013-01-13 04:24 Alexandre Eremenko
5. 2013-01-13 04:41 Antoine Couëtte
6. 2013-01-13 13:49 Alexandre Eremenko
7. 2013-01-13 15:59 Wolfgang Köberer
8. 2013-01-13 16:38 Alexandre Eremenko

12 Jan 2013 – 13 Jan 2013 : Re: Another Troughton and Simms

1. 2013-01-12 21:38 Noell Wilson
2. 2013-01-13 19:56 Norm Goldblatt

13 Jan 2013 – 13 Jan 2013 : The possiblility of a D.C. area NavList meeting in March, and theSmithsonian's Navigation exhibit openning then

1. 2013-01-13 23:50 Alan S

14 Jan 2013 – 14 Jan 2013 : Re: the possiblility of a D.C. area NavList meeting...

1. 2013-01-14 00:38 Frank Reed
2. 2013-01-14 03:36 Alan S

15 Jan 2013 – 16 Jan 2013 : Message Problem

1. 2013-01-15 19:17 Henry Halboth
2. 2013-01-16 01:13 Alan S

27 Dec 2012 – 16 Jan 2013 : Position from a photo

1. 2012-12-27 13:49 Geoffrey Kolbe
2. 2012-12-27 14:55 Dave Walden
3. 2012-12-27 15:11 Örjan Sandström
4. 2012-12-27 17:02 Greg Rudzinski
5. 2012-12-27 17:23 Gary LaPook
6. 2012-12-27 17:24 Lu Abel
7. 2012-12-27 17:49 David Fleming
8. 2012-12-27 18:04 David Fleming
9. 2012-12-27 19:40 Lu Abel
10. 2012-12-27 19:58 Hewitt Schlereth
11. 2012-12-27 20:12 Frank Reed
12. 2012-12-27 20:25 Bill B
13. 2012-12-27 20:30 Geoffrey Kolbe
14. 2012-12-27 20:38 Frank Reed
15. 2012-12-27 21:37 Robert Eno
16. 2012-12-27 22:26 Örjan Sandström
17. 2012-12-28 20:01 Paul Dolkas
18. 2012-12-31 00:57 Brad Morris
19. 2013-01-06 09:15 Geoffrey Kolbe
20. 2013-01-06 16:07 Brad Morris
21. 2013-01-07 21:14 Frank Reed
22. 2013-01-07 23:27 Robert Bernecky
23. 2013-01-08 03:34 Brad Morris
24. 2013-01-08 06:57 Geoffrey Kolbe
25. 2013-01-12 22:39 Paul Dolkas
26. 2013-01-13 14:30 Örjan Sandström
27. 2013-01-13 18:08 Brad Morris
28. 2013-01-13 18:47 Paul Dolkas
29. 2013-01-13 19:10 Örjan Sandström
30. 2013-01-13 19:49 Paul Dolkas
31. 2013-01-15 11:32 Sean C
32. 2013-01-15 14:23 Dave Walden
33. 2013-01-15 14:50 Antoine Couëtte
34. 2013-01-15 18:35 Antoine Couëtte
35. 2013-01-15 21:40 Sean C
36. 2013-01-16 05:22 Antoine Couëtte

12 Jan 2013 – 16 Jan 2013 : Time Sight usage

1. 2013-01-12 01:59 Henry Halboth
2. 2013-01-12 10:35 Antoine Couëtte
3. 2013-01-13 05:07 Antoine Couëtte
4. 2013-01-14 02:15 Henry Halboth
5. 2013-01-14 06:21 Antoine Couëtte
6. 2013-01-14 08:58 Lars Bergman
7. 2013-01-14 10:48 Antoine Couëtte
8. 2013-01-14 23:36 Robert Bernecky
9. 2013-01-15 01:46 Henry Halboth
10. 2013-01-15 04:42 Antoine Couëtte
11. 2013-01-15 15:06 Lars Bergman
12. 2013-01-15 18:37 Antoine Couëtte
13. 2013-01-15 18:38 Henry Halboth
14. 2013-01-15 19:53 Frank Reed
15. 2013-01-16 05:28 Henry Halboth

14 Jan 2013 – 16 Jan 2013 : NavList in the thin air

1. 2013-01-14 23:11 Frank Reed
2. 2013-01-14 23:33 James N Wilson
3. 2013-01-15 00:48 Alexandre Eremenko
4. 2013-01-15 01:22 Dave Walden
5. 2013-01-15 02:38 Ken Gebhart
6. 2013-01-15 02:57 Brad Morris
7. 2013-01-15 11:01 Gary LaPook
8. 2013-01-15 20:05 Frank Reed
9. 2013-01-15 20:22 Frank Reed
10. 2013-01-16 01:43 Sean C
11. 2013-01-16 18:56 Lu Abel

17 Jan 2013 – 17 Jan 2013 : Re: Lunar distance measurement inideal conditions:

1. 2013-01-17 05:56 Geoffrey Kolbe

07 Jan 2013 – 18 Jan 2013 : Re: Lunar distance measurement in ideal conditions:attainable accuracy.

1. 2013-01-07 04:34 Henry Halboth
2. 2013-01-17 02:13 Bill B
3. 2013-01-18 02:51 Alexandre Eremenko

18 Jan 2013 – 18 Jan 2013 : Lutz "Sextant" on eBay.

1. 2013-01-18 13:51 Sean C
2. 2013-01-18 14:18 Bruce J. Pennino
3. 2013-01-18 14:26 Alexandre Eremenko

19 Jan 2013 – 19 Jan 2013 : Re: Lunar distance measurement in ideal conditions: attainableaccuracy.

1. 2013-01-19 01:08 Greg Rudzinski

19 Jan 2013 – 20 Jan 2013 : Re: Transatlantic on the Royal Clipper and celnav

1. 2013-01-19 20:05 Norm Goldblatt
2. 2013-01-19 21:48 Örjan Sandström
3. 2013-01-19 23:24 Gary LaPook
4. 2013-01-20 00:36 Norm Goldblatt

19 Jan 2013 – 20 Jan 2013 : T-Plotter update

1. 2013-01-19 23:50 Peter Hakel
2. 2013-01-20 05:20 Steve E. Bryant
3. 2013-01-20 12:14 Sean C

07 Jan 2013 – 21 Jan 2013 : Lunar distance measurement in ideal conditions: attainable accuracy.

1. 2013-01-07 03:34 Bill Morris
2. 2013-01-07 04:21 Alexandre Eremenko
3. 2013-01-07 04:49 Alexandre Eremenko
4. 2013-01-07 05:27 Alexandre Eremenko
5. 2013-01-07 08:50 Bill Morris
6. 2013-01-07 09:05 Bill Morris
7. 2013-01-07 14:13 Alexandre Eremenko
8. 2013-01-08 01:50 Alexandre Eremenko
9. 2013-01-08 01:56 Alexandre Eremenko
10. 2013-01-08 04:44 Bill Morris
11. 2013-01-08 05:22 Alexandre Eremenko
12. 2013-01-08 06:54 Bill Morris
13. 2013-01-08 23:01 Alexandre Eremenko
14. 2013-01-11 05:18 Antoine Couëtte
15. 2013-01-11 08:11 Bill Morris
16. 2013-01-11 09:06 Antoine Couëtte
17. 2013-01-16 06:20 Bill Morris
18. 2013-01-16 10:35 Antoine Couëtte
19. 2013-01-16 14:42 Alexandre Eremenko
20. 2013-01-16 19:07 Norm Goldblatt
21. 2013-01-17 01:20 Frank Reed
22. 2013-01-17 05:45 Paul Dolkas
23. 2013-01-17 08:03 Norm Goldblatt
24. 2013-01-17 12:01 Sean C
25. 2013-01-17 12:57 Alexandre Eremenko
26. 2013-01-17 13:00 Alexandre Eremenko
27. 2013-01-17 14:10 Greg Rudzinski
28. 2013-01-17 16:15 Paul Dolkas
29. 2013-01-17 18:17 Hewitt Schlereth
30. 2013-01-17 19:13 Greg Rudzinski
31. 2013-01-17 19:20 Greg Rudzinski
32. 2013-01-18 01:55 Peter Hakel
33. 2013-01-18 06:09 Doug MacPherson
34. 2013-01-18 19:02 Alexandre Eremenko
35. 2013-01-18 20:08 Frank Reed
36. 2013-01-18 20:35 Greg Rudzinski
37. 2013-01-18 23:00 Alexandre Eremenko
38. 2013-01-18 23:17 Alexandre Eremenko
39. 2013-01-18 23:28 Alexandre Eremenko
40. 2013-01-18 23:33 Greg Rudzinski
41. 2013-01-19 00:01 Alexandre Eremenko
42. 2013-01-19 06:19 Bill Morris
43. 2013-01-21 00:35 Frank Reed

21 Jan 2013 – 21 Jan 2013 : ELoran in the UK

1. 2013-01-21 15:00 Peter Hakel

21 Jan 2013 – 21 Jan 2013 : Dioptric correction

1. 2013-01-21 20:15 Norm Goldblatt
2. 2013-01-21 20:36 Frank Reed
3. 2013-01-21 21:11 Norm Goldblatt
4. 2013-01-21 21:11 Hewitt Schlereth
5. 2013-01-21 21:18 Norm Goldblatt
6. 2013-01-21 22:05 Bill Morris
7. 2013-01-21 22:18 Norm Goldblatt

12 Jan 2013 – 22 Jan 2013 : Yet another 2102-D modification (summary)

1. 2013-01-12 20:11 John Forrest
2. 2013-01-13 00:01 Byron Franklin
3. 2013-01-13 04:07 Byron Franklin
4. 2013-01-14 17:03 Byron Franklin
5. 2013-01-20 22:21 John Forrest
6. 2013-01-20 22:38 Brad Morris
7. 2013-01-21 00:17 Greg Rudzinski
8. 2013-01-21 00:56 Greg Rudzinski
9. 2013-01-22 03:51 Byron Franklin

22 Jan 2013 – 22 Jan 2013 : Jupiter and the Moon observation

1. 2013-01-22 04:38 Alexandre Eremenko
2. 2013-01-22 08:33 Antoine Couëtte

22 Jan 2013 – 22 Jan 2013 : Re: Jupiter and the Moon observation, correction

1. 2013-01-22 13:35 Alexandre Eremenko
2. 2013-01-22 15:37 Norm Goldblatt
3. 2013-01-22 15:41 Antoine Couëtte

22 Jan 2013 – 22 Jan 2013 : Camera CN Inland Waterway Florida

1. 2013-01-22 18:30 Greg Rudzinski

21 Jan 2013 – 22 Jan 2013 : What is the Longest Lunar Possible?

1. 2013-01-21 07:00 Brad Morris
2. 2013-01-21 11:41 Sean C
3. 2013-01-21 13:01 Antoine Couëtte
4. 2013-01-21 15:54 Alexandre Eremenko
5. 2013-01-21 16:09 Alexandre Eremenko
6. 2013-01-21 16:36 Frank Reed
7. 2013-01-21 18:19 Frank Reed
8. 2013-01-21 19:59 Brad Morris
9. 2013-01-21 20:08 Brad Morris
10. 2013-01-21 20:48 Geoffrey Kolbe
11. 2013-01-21 20:49 Alexandre Eremenko
12. 2013-01-21 21:04 Alexandre Eremenko
13. 2013-01-21 21:14 Frank Reed
14. 2013-01-21 22:32 W F Jones
15. 2013-01-21 23:03 Brad Morris
16. 2013-01-21 23:24 Frank Reed
17. 2013-01-21 23:29 Brad Morris
18. 2013-01-22 02:45 Alexandre Eremenko
19. 2013-01-22 03:32 Antoine Couëtte
20. 2013-01-22 05:43 Geoffrey Kolbe
21. 2013-01-22 16:06 George Brandenburg
22. 2013-01-22 22:40 Brad Morris

10 Jan 2013 – 22 Jan 2013 : Timesight at sunset?

1. 2013-01-10 07:11 Doug MacPherson
2. 2013-01-10 16:57 Greg Rudzinski
3. 2013-01-10 19:10 Marcel Tschudin
4. 2013-01-10 20:25 Doug MacPherson
5. 2013-01-10 21:12 Örjan Sandström
6. 2013-01-10 21:23 Doug MacPherson
7. 2013-01-10 21:33 Robert Bernecky
8. 2013-01-10 22:11 Marcel Tschudin
9. 2013-01-10 22:36 Greg Rudzinski
10. 2013-01-10 22:45 Greg Rudzinski
11. 2013-01-11 01:09 Doug MacPherson
12. 2013-01-11 01:24 Frank Reed
13. 2013-01-11 01:48 Bruce J. Pennino
14. 2013-01-11 02:16 Doug MacPherson
15. 2013-01-11 02:24 Tom Sult
16. 2013-01-11 10:40 Marcel Tschudin
17. 2013-01-22 22:57 Doug MacPherson

20 Jan 2013 – 23 Jan 2013 : Jupiter and the Moon

1. 2013-01-20 19:39 Frank Reed
2. 2013-01-21 03:30 Alexandre Eremenko
3. 2013-01-21 04:51 Frank Reed
4. 2013-01-21 06:10 Paul Dolkas
5. 2013-01-21 06:16 Frank Reed
6. 2013-01-21 15:13 Alexandre Eremenko
7. 2013-01-21 15:38 Alexandre Eremenko
8. 2013-01-21 19:50 Paul Dolkas
9. 2013-01-21 19:57 Paul Dolkas
10. 2013-01-21 21:01 Alexandre Eremenko
11. 2013-01-21 21:52 Frank Reed
12. 2013-01-22 01:48 Hanno Ix
13. 2013-01-22 13:10 Sean C
14. 2013-01-23 01:51 Hewitt Schlereth
15. 2013-01-23 05:27 Paul Dolkas

23 Jan 2013 – 23 Jan 2013 : Index correction

1. 2013-01-23 21:47 Alexandre Eremenko

22 Jan 2013 – 24 Jan 2013 : What I did last night

1. 2013-01-22 15:45 Norm Goldblatt
2. 2013-01-24 01:33 Frank Reed
3. 2013-01-24 02:54 Alexandre Eremenko

12 Jan 2013 – 24 Jan 2013 : Re: bubble sextant in U-2

1. 2013-01-12 05:33 Gary LaPook
2. 2013-01-12 06:19 Gary LaPook
3. 2013-01-12 14:51 Alexandre Eremenko
4. 2013-01-12 15:29 Greg Rudzinski
5. 2013-01-13 04:38 Alexandre Eremenko
6. 2013-01-13 05:20 Greg Rudzinski
7. 2013-01-13 08:14 Gary LaPook
8. 2013-01-13 17:57 Paul Hirose
9. 2013-01-23 16:49 Gary LaPook
10. 2013-01-24 17:08 Gary LaPook

23 Jan 2013 – 25 Jan 2013 : THE RAFT BOOK by Gatty on eBay

1. 2013-01-23 14:35 Dave Walden
2. 2013-01-23 16:17 Gary LaPook
3. 2013-01-24 02:43 Robert Eno
4. 2013-01-25 03:00 Paul Saffo

25 Jan 2013 – 25 Jan 2013 : 9 Degrees of Frost

1. 2013-01-25 03:42 Brad Morris

25 Jan 2013 – 25 Jan 2013 : WW11 Bubble Sextants available

1. 2013-01-25 05:02 Paul Dolkas
2. 2013-01-25 05:22 Brad Morris
3. 2013-01-25 06:03 Alexandre Eremenko
4. 2013-01-25 18:39 Hewitt Schlereth

25 Jan 2013 – 25 Jan 2013 : Eight (or Nine) Mile Chart Error!

1. 2013-01-25 17:13 Richard B. Langley
2. 2013-01-25 18:09 Lu Abel
3. 2013-01-25 18:30 David Fleming
4. 2013-01-25 19:41 Frank Reed
5. 2013-01-25 19:42 Lu Abel

25 Jan 2013 – 25 Jan 2013 : Insect Celestial Navigation

1. 2013-01-25 04:15 Brad Morris
2. 2013-01-25 20:51 Frank Reed
3. 2013-01-25 23:47 Brad Morris

26 Jan 2013 – 26 Jan 2013 : Gunter's scales and sectors and plain scales

1. 2013-01-26 11:16 Joel Silverberg

26 Jan 2013 – 26 Jan 2013 : Lunar distance methods, Shadwell, 1881

1. 2013-01-26 20:56 Paul Hirose

21 Jan 2013 – 26 Jan 2013 : ADMIN: various

1. 2013-01-21 22:35 Frank Reed
2. 2013-01-23 06:28 Paul Hirose
3. 2013-01-26 20:56 Paul Hirose
4. 2013-01-26 21:21 Frank Reed

25 Jan 2013 – 27 Jan 2013 : Looking to purchase a MKIXB bubble sextant

1. 2013-01-25 18:19 Garret Cost
2. 2013-01-26 07:54 Paul Dolkas
3. 2013-01-26 16:00 Bruce J. Pennino
4. 2013-01-26 19:01 Bill Morris
5. 2013-01-26 19:18 Paul Dolkas
6. 2013-01-27 12:32 h.a.c. van Asten

29 Dec 2012 – 27 Jan 2013 : Vendée Globe (off topic)

1. 2012-12-29 13:54 Marcel Tschudin
2. 2012-12-29 16:55 Antoine Couëtte
3. 2012-12-29 17:36 Andrés Ruiz
4. 2012-12-29 18:47 Patrick Goold
5. 2012-12-29 20:02 Alan S
6. 2013-01-27 13:25 Marcel Tschudin

27 Jan 2013 – 27 Jan 2013 : Re: Wanted: Small Craft Precision Sextant from Francis Barker

1. 2013-01-27 17:58 Dieuwertje Michel

27 Jan 2013 – 27 Jan 2013 : Troughton and Simms telescopes

1. 2013-01-27 22:54 Norm Goldblatt

22 Jan 2013 – 27 Jan 2013 : Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1HR-2 Cylindrical Slide LineRuler

1. 2013-01-22 22:59 Brad Morris
2. 2013-01-27 23:16 Brad Morris

28 Jan 2013 – 28 Jan 2013 : Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2Cylindrical Slide LineRuler

1. 2013-01-28 00:10 Brad Morris
2. 2013-01-28 01:38 Brad Morris

23 Jan 2013 – 28 Jan 2013 : Basic questions about Lunars

1. 2013-01-23 10:21 Norm Goldblatt
2. 2013-01-23 14:14 Alexandre Eremenko
3. 2013-01-23 22:05 Frank Reed
4. 2013-01-24 02:42 Norm Goldblatt
5. 2013-01-24 03:06 Brad Morris
6. 2013-01-24 18:00 Norm Goldblatt
7. 2013-01-24 18:13 Brad Morris
8. 2013-01-24 18:49 Norm Goldblatt
9. 2013-01-24 19:06 Brad Morris
10. 2013-01-24 19:30 Norm Goldblatt
11. 2013-01-25 06:19 Geoffrey Kolbe
12. 2013-01-25 19:57 Frank Reed
13. 2013-01-26 01:12 Norm Goldblatt
14. 2013-01-26 08:32 Geoffrey Kolbe
15. 2013-01-27 18:15 Rodger Farley
16. 2013-01-27 20:12 Frank Reed
17. 2013-01-28 12:27 Sean C

27 Jan 2013 – 28 Jan 2013 : Re: lunar distance methods, Shadwell, 1881

1. 2013-01-27 00:31 Dave Walden
2. 2013-01-28 22:51 Frank Reed

28 Jan 2013 – 29 Jan 2013 : Cook's lunars - redux

1. 2013-01-28 22:17 John H
2. 2013-01-28 23:27 Hewitt Schlereth
3. 2013-01-29 10:21 Sean C
4. 2013-01-29 13:49 Greg Rudzinski
5. 2013-01-29 16:28 Örjan Sandström
6. 2013-01-29 20:00 Frank Reed

30 Jan 2013 – 30 Jan 2013 : Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1

1. 2013-01-30 19:50 Wolfgang Hasper

20 Jan 2013 – 30 Jan 2013 : Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2 Cylindrical Slide LineRuler

1. 2013-01-20 19:06 Marc Giordan
2. 2013-01-23 09:14 Ronald van Riet
3. 2013-01-23 16:18 Gary LaPook
4. 2013-01-23 16:25 Gary LaPook
5. 2013-01-27 20:10 Wolfgang Hasper
6. 2013-01-27 23:33 Gary LaPook
7. 2013-01-30 19:54 Wolfgang Hasper

28 Jan 2013 – 30 Jan 2013 : Re: Dennert & Pape MHR-1 Dennert & Pape MHR-1 HR-2

1. 2013-01-28 00:28 Gary LaPook
2. 2013-01-28 02:02 Brad Morris
3. 2013-01-28 02:25 Hewitt Schlereth
4. 2013-01-28 06:42 Gary LaPook
5. 2013-01-30 19:46 Wolfgang Hasper
6. 2013-01-30 19:58 Wolfgang Hasper

30 Jan 2013 – 30 Jan 2013 : F tables - "F-Tafel"

1. 2013-01-30 21:03 Dave Walden
2. 2013-01-30 21:23 Hewitt Schlereth
3. 2013-01-30 22:13 Gary LaPook

31 Jan 2013 – 31 Jan 2013 : Re: Bygrave Scale Lengths-HR2 scales

1. 2013-01-31 10:22 Gary LaPook
2. 2013-01-31 10:38 Gary LaPook
3. 2013-01-31 11:33 Brad Morris

29 Jan 2013 – 31 Jan 2013 : Bygrave Scale Lengths

1. 2013-01-29 02:35 Brad Morris
2. 2013-01-29 05:31 Gary LaPook
3. 2013-01-29 08:48 Gary LaPook
4. 2013-01-29 08:57 Gary LaPook
5. 2013-01-30 05:37 Gary LaPook
6. 2013-01-30 05:41 Gary LaPook
7. 2013-01-30 14:19 Brad Morris
8. 2013-01-30 19:03 Hewitt Schlereth
9. 2013-01-30 19:40 Brad Morris
10. 2013-01-30 19:41 Wolfgang Hasper
11. 2013-01-30 19:53 Hewitt Schlereth
12. 2013-01-30 20:16 Hewitt Schlereth
13. 2013-01-30 23:21 Gary LaPook
14. 2013-01-30 23:33 Gary LaPook
15. 2013-01-31 01:56 Brad Morris
16. 2013-01-31 08:41 Ronald van Riet
17. 2013-01-31 08:59 Gary LaPook
18. 2013-01-31 09:05 Gary LaPook
19. 2013-01-31 11:45 Brad Morris
20. 2013-01-31 11:47 Brad Morris

24 Jan 2013 – 01 Feb 2013 : Weems article in latest Air&Space Mag

1. 2013-01-24 18:49 Paul Saffo
2. 2013-01-24 19:42 Bruce J. Pennino
3. 2013-01-24 20:46 Andrés Ruiz
4. 2013-01-24 22:37 Dave Walden
5. 2013-01-27 07:12 Richard Easton
6. 2013-01-30 00:10 Roger Connor
7. 2013-01-30 03:54 Paul Dolkas
8. 2013-01-30 04:42 Gary LaPook
9. 2013-01-30 04:48 Gary LaPook
10. 2013-01-30 05:53 Paul Dolkas
11. 2013-01-30 10:05 Gary LaPook
12. 2013-01-30 14:03 Roger Connor
13. 2013-01-30 16:30 Paul Dolkas
14. 2013-01-30 21:12 Richard Easton
15. 2013-01-30 21:46 Gary LaPook
16. 2013-01-30 22:05 Gary LaPook
17. 2013-01-30 22:58 Roger Connor
18. 2013-01-30 23:01 Roger Connor
19. 2013-02-01 05:40 Paul Dolkas
20. 2013-02-01 08:39 Gary LaPook

01 Feb 2013 – 01 Feb 2013 : Moonrise at Mystic Seaport

1. 2013-02-01 00:39 Frank Reed
2. 2013-02-01 02:20 Greg Rudzinski
3. 2013-02-01 17:04 Don Seltzer
4. 2013-02-01 18:30 David Fleming

02 Feb 2013 – 02 Feb 2013 : Re: Board of Longitude archive - trial launch ofdigitised material

1. 2013-02-02 01:01 Brad Morris

31 Jan 2013 – 02 Feb 2013 : Star Sha & Dec changes.

1. 2013-01-31 16:36 Byron Franklin
2. 2013-01-31 18:47 Brad Morris
3. 2013-01-31 18:54 Sean C
4. 2013-01-31 19:22 Robert Bernecky
5. 2013-02-01 03:46 Antoine Couëtte
6. 2013-02-01 04:02 Antoine Couëtte
7. 2013-02-01 04:56 Peter Hakel
8. 2013-02-01 17:03 Brad Morris
9. 2013-02-01 19:12 Byron Franklin
10. 2013-02-02 02:54 Antoine Couëtte

31 Jan 2013 – 02 Feb 2013 : Navy Grounding in PI Digital Charts Blamed

1. 2013-01-31 13:33 Greg Rudzinski
2. 2013-01-31 14:36 Brad Morris
3. 2013-01-31 16:42 Greg Rudzinski
4. 2013-01-31 17:19 Greg Rudzinski
5. 2013-01-31 17:46 Greg Rudzinski
6. 2013-01-31 17:58 Greg Rudzinski
7. 2013-01-31 19:26 Bill Morris
8. 2013-01-31 21:34 Frank Reed
9. 2013-01-31 22:09 Brad Morris
10. 2013-01-31 22:23 Lu Abel
11. 2013-01-31 22:31 Lu Abel
12. 2013-01-31 23:46 Frank Reed
13. 2013-01-31 23:58 Brad Morris
14. 2013-02-01 00:11 Frank Reed
15. 2013-02-01 00:13 Frank Reed
16. 2013-02-02 14:33 Greg Rudzinski

01 Feb 2013 – 05 Feb 2013 : Board of Longitude archive - trial launch of digitised material

1. 2013-02-01 11:22 Richard Dunn
2. 2013-02-05 13:31 Richard Dunn

02 Feb 2013 – 06 Feb 2013 : Pointer star question

1. 2013-02-02 20:40 Mark
2. 2013-02-02 21:34 Frank Reed
3. 2013-02-02 21:57 Alexandre Eremenko
4. 2013-02-02 22:02 Örjan Sandström
5. 2013-02-02 22:10 Brad Morris
6. 2013-02-02 22:13 Örjan Sandström
7. 2013-02-02 22:41 Brad Morris
8. 2013-02-02 22:42 Richard B. Langley
9. 2013-02-02 22:50 Frank Reed
10. 2013-02-03 04:46 Richard B. Langley
11. 2013-02-03 13:13 Sean C
12. 2013-02-03 18:06 Frank Reed
13. 2013-02-03 20:42 Frank Reed
14. 2013-02-04 11:42 Sean C
15. 2013-02-05 01:42 Norm Goldblatt
16. 2013-02-05 04:15 Brad Morris
17. 2013-02-05 23:00 Mark
18. 2013-02-06 01:50 Norm Goldblatt
19. 2013-02-06 01:58 Tom Sult
20. 2013-02-06 02:08 Norm Goldblatt
21. 2013-02-06 02:10 Norm Goldblatt
22. 2013-02-06 02:33 Tom Sult
23. 2013-02-06 03:22 Norm Goldblatt
24. 2013-02-06 04:03 Paul Dolkas

06 Feb 2013 – 06 Feb 2013 : Celestial Navigation classes, Mystic Seaport, Spring 2013

1. 2013-02-06 17:17 Frank Reed

07 Feb 2013 – 07 Feb 2013 : CelNav course?

1. 2013-02-07 17:58 Şems Aktuğ

08 Feb 2013 – 08 Feb 2013 : Re: HR-1 working re-creation and newquestions

1. 2013-02-08 06:37 Geoffrey Kolbe

03 Feb 2013 – 08 Feb 2013 : Mars - Mercury Question

1. 2013-02-03 04:31 Brad Morris
2. 2013-02-03 05:47 Alexandre Eremenko
3. 2013-02-03 13:36 Brad Morris
4. 2013-02-03 14:55 Alexandre Eremenko
5. 2013-02-03 17:45 Don Seltzer
6. 2013-02-03 18:08 Alexandre Eremenko
7. 2013-02-03 19:30 Frank Reed
8. 2013-02-03 20:05 Greg Rudzinski
9. 2013-02-03 20:16 Greg Rudzinski
10. 2013-02-07 06:25 Brad Morris
11. 2013-02-07 12:00 Bruce J. Pennino
12. 2013-02-07 12:54 Alexandre Eremenko
13. 2013-02-07 14:15 Brad Morris
14. 2013-02-07 15:47 Alexandre Eremenko
15. 2013-02-07 17:23 Frank Reed
16. 2013-02-07 18:17 Brad Morris
17. 2013-02-07 19:34 Frank Reed
18. 2013-02-07 20:43 Don Seltzer
19. 2013-02-08 13:50 Peter Hakel
20. 2013-02-08 18:06 Brad Morris
21. 2013-02-08 19:49 Frank Reed

08 Feb 2013 – 08 Feb 2013 : Re: now off topic of navigation

1. 2013-02-08 18:14 Brad Morris
2. 2013-02-08 20:10 Frank Reed
3. 2013-02-08 22:13 Brad Morris

10 Feb 2013 – 10 Feb 2013 : A charming photo from 1880's-90's

1. 2013-02-10 17:39 Norm Goldblatt

08 Feb 2013 – 10 Feb 2013 : Sun Slow Day is coming

1. 2013-02-08 19:15 Frank Reed
2. 2013-02-10 16:53 Frank Reed
3. 2013-02-10 17:31 Sean C
4. 2013-02-10 17:37 Lu Abel
5. 2013-02-10 17:49 Frank Reed
6. 2013-02-10 18:03 Frank Reed

09 Feb 2013 – 11 Feb 2013 : HR1 Sliderule locking mechanism questions

1. 2013-02-09 22:07 Robin Stuart
2. 2013-02-10 17:52 Brad Morris
3. 2013-02-10 18:45 Robin Stuart
4. 2013-02-10 20:10 Wolfgang Hasper
5. 2013-02-10 20:50 Brad Morris
6. 2013-02-10 20:57 Brad Morris
7. 2013-02-11 01:51 Gary LaPook

10 Feb 2013 – 11 Feb 2013 : Ruminations on Bygrave and Hohenrechenschieber scale markings

1. 2013-02-10 16:49 Robin Stuart
2. 2013-02-11 16:29 Brad Morris

11 Feb 2013 – 11 Feb 2013 : Conn Trail Navigation

1. 2013-02-11 13:56 Greg Rudzinski
2. 2013-02-11 14:15 Greg Rudzinski
3. 2013-02-11 18:35 Bill B
4. 2013-02-11 19:26 Frank Reed

10 Feb 2013 – 12 Feb 2013 : Re: Missile Subs

1. 2013-02-10 21:52 Byron Franklin
2. 2013-02-11 18:40 Brad Morris
3. 2013-02-11 19:49 Don Seltzer
4. 2013-02-12 00:21 Byron Franklin
5. 2013-02-12 00:25 Brad Morris
6. 2013-02-12 00:33 Byron Franklin
7. 2013-02-12 00:50 Byron Franklin
8. 2013-02-12 00:57 Brad Morris

10 Feb 2013 – 13 Feb 2013 : Berson's Noon Sun problem

1. 2013-02-10 20:40 Frank Reed
2. 2013-02-10 23:20 Stan K
3. 2013-02-12 00:22 Robin Stuart
4. 2013-02-12 02:04 Stan K
5. 2013-02-12 18:37 Frank Reed
6. 2013-02-13 00:02 Robin Stuart
7. 2013-02-13 02:24 Stan K
8. 2013-02-13 12:36 Antoine Couëtte

12 Feb 2013 – 14 Feb 2013 : Re: The Bounty - 20-20 hindsight

1. 2013-02-12 23:57 Brad Morris
2. 2013-02-13 02:17 Norm Goldblatt
3. 2013-02-13 14:11 Dave Walden
4. 2013-02-14 16:13 Frank Reed
5. 2013-02-14 18:25 Frank Reed
6. 2013-02-14 18:39 Frank Reed

15 Feb 2013 – 15 Feb 2013 : Very interesting article on NASM exhibit on navigation of Earhart flight

1. 2013-02-15 22:40 Gary LaPook

16 Feb 2013 – 16 Feb 2013 : Advanced Coastal Navigation

1. 2013-02-16 09:05 Andrés Ruiz

11 Feb 2013 – 16 Feb 2013 : Primer of Navigation - Mixter

1. 2013-02-11 16:09 Bruce J. Pennino
2. 2013-02-11 17:20 Gary LaPook
3. 2013-02-13 23:09 Mike Burkes
4. 2013-02-14 15:05 Paolo Borchetta
5. 2013-02-14 16:32 Frank Reed
6. 2013-02-14 17:50 Stan K
7. 2013-02-14 19:20 Bill Morris
8. 2013-02-14 22:05 Patrick Goold
9. 2013-02-14 23:23 Bruce J. Pennino
10. 2013-02-15 01:46 Gary LaPook
11. 2013-02-15 01:48 Gary LaPook
12. 2013-02-15 01:54 Gary LaPook
13. 2013-02-15 05:26 Alan S
14. 2013-02-15 08:19 Gary LaPook
15. 2013-02-15 13:32 Dave Walden
16. 2013-02-15 13:40 Dave Walden
17. 2013-02-15 13:50 Dave Walden
18. 2013-02-15 17:41 Alan S
19. 2013-02-16 07:52 Andrés Ruiz
20. 2013-02-16 16:19 Hewitt Schlereth

15 Feb 2013 – 17 Feb 2013 : The Navigation Lamp Post

1. 2013-02-15 23:29 Brad Morris
2. 2013-02-16 01:14 Norm Goldblatt
3. 2013-02-16 03:06 Brad Morris
4. 2013-02-17 00:44 Frank Reed

17 Feb 2013 – 17 Feb 2013 : U.S. Coast & Geodetic Survey annual reports archive

1. 2013-02-17 04:40 Paul Hirose

17 Feb 2013 – 17 Feb 2013 : Sunrise observation.

1. 2013-02-17 09:50 Örjan Sandström

11 Feb 2013 – 17 Feb 2013 : Sundog

1. 2013-02-11 19:44 Frank Reed
2. 2013-02-11 22:29 Don Seltzer
3. 2013-02-12 01:18 Bill B
4. 2013-02-16 09:40 Brad Morris
5. 2013-02-16 12:26 Greg Rudzinski
6. 2013-02-16 12:31 Antoine Couëtte
7. 2013-02-16 12:45 Greg Rudzinski
8. 2013-02-16 17:00 Brad Morris
9. 2013-02-16 17:50 Greg Rudzinski
10. 2013-02-16 18:07 Brad Morris
11. 2013-02-16 19:10 Bill B
12. 2013-02-16 19:50 John H
13. 2013-02-16 20:41 Brad Morris
14. 2013-02-16 23:39 Frank Reed
15. 2013-02-17 00:34 Brad Morris
16. 2013-02-17 00:46 Frank Reed
17. 2013-02-17 08:14 Antoine Couëtte
18. 2013-02-17 12:56 Greg Rudzinski
19. 2013-02-17 15:10 Antoine Couëtte

17 Feb 2013 – 17 Feb 2013 : NASM Time and Navigation gallery

1. 2013-02-17 20:16 Roger Connor

17 Feb 2013 – 17 Feb 2013 : Re: sunrise observation.

1. 2013-02-17 11:27 Örjan Sandström
2. 2013-02-17 11:59 Antoine Couëtte
3. 2013-02-17 12:57 Marcel Tschudin
4. 2013-02-17 13:47 Örjan Sandström
5. 2013-02-17 22:03 Hewitt Schlereth

17 Feb 2013 – 17 Feb 2013 : Re: Kollsman periscopic sextant mount

1. 2013-02-17 23:52 Bob Knotts

18 Feb 2013 – 18 Feb 2013 : Re: flight navigation website & Reunion

1. 2013-02-18 01:12 Ronald P Barrett

18 Feb 2013 – 18 Feb 2013 : Video of B-52 navigator

1. 2013-02-18 08:02 Gary LaPook

11 Feb 2013 – 18 Feb 2013 : Bygrave Locking Device

1. 2013-02-11 01:08 Gary LaPook
2. 2013-02-11 01:16 Gary LaPook
3. 2013-02-11 01:24 Brad Morris
4. 2013-02-18 16:27 Robin Stuart

18 Feb 2013 – 18 Feb 2013 : Mauritius was: sunrise observation.

1. 2013-02-18 03:25 Antoine Couëtte
2. 2013-02-18 04:05 Hewitt Schlereth
3. 2013-02-18 07:50 Gary LaPook
4. 2013-02-18 18:00 Hewitt Schlereth
5. 2013-02-18 18:07 Stan K
6. 2013-02-18 18:28 Hewitt Schlereth

19 Feb 2013 – 19 Feb 2013 : SSBN A Lincoln

1. 2013-02-19 01:05 Byron Franklin

06 Feb 2013 – 19 Feb 2013 : Orion at oceannavigator site

1. 2013-02-06 20:13 Frank Reed
2. 2013-02-06 23:11 Patrick Goold
3. 2013-02-07 00:28 Robert Eno
4. 2013-02-07 02:38 Patrick Goold
5. 2013-02-07 03:10 John Karl
6. 2013-02-07 03:38 Robert Eno
7. 2013-02-07 03:42 John Karl
8. 2013-02-07 13:54 Greg Rudzinski
9. 2013-02-07 17:38 Frank Reed
10. 2013-02-08 13:11 Herbert Prinz
11. 2013-02-09 18:48 Frank Reed
12. 2013-02-10 16:37 John Karl
13. 2013-02-10 18:08 Robin Stuart
14. 2013-02-10 20:09 Peter Hakel
15. 2013-02-13 14:15 Robin Stuart
16. 2013-02-19 16:25 Herbert Prinz

07 Feb 2013 – 20 Feb 2013 : Re: HR-1 working re-creation and new questions

1. 2013-02-07 18:35 Norm Goldblatt
2. 2013-02-07 23:06 Brad Morris
3. 2013-02-08 00:46 Norm Goldblatt
4. 2013-02-08 01:20 Robert Bernecky
5. 2013-02-08 07:02 Norm Goldblatt
6. 2013-02-08 14:44 Andrew Nikitin
7. 2013-02-15 23:05 Brad Morris
8. 2013-02-16 01:50 David Fleming
9. 2013-02-16 07:11 Brad Morris
10. 2013-02-16 21:26 Frank Reed
11. 2013-02-17 07:31 Norm Goldblatt
12. 2013-02-18 00:39 Andrew Nikitin
13. 2013-02-20 04:55 Norm Goldblatt
14. 2013-02-20 05:14 Frank Reed
15. 2013-02-20 05:26 Brad Morris
16. 2013-02-20 05:30 Brad Morris

17 Feb 2013 – 20 Feb 2013 : A-8A Manual available?

1. 2013-02-17 23:47 Lee Johnson
2. 2013-02-18 08:41 Paul Brewer
3. 2013-02-18 17:26 Lee Johnson
4. 2013-02-20 15:15 Lee Johnson

17 Feb 2013 – 21 Feb 2013 : Burton's "Nautical Tables, High Latitude Edition"

1. 2013-02-17 05:37 Brad Morris
2. 2013-02-17 09:37 Örjan Sandström
3. 2013-02-17 11:13 John Brown
4. 2013-02-17 17:26 Brad Morris
5. 2013-02-17 20:19 Jean-Marie
6. 2013-02-17 22:23 John Brown
7. 2013-02-18 04:39 Brad Morris
8. 2013-02-18 10:44 John Brown
9. 2013-02-18 22:02 Brad Morris
10. 2013-02-19 00:08 John Brown
11. 2013-02-19 20:40 Brad Morris
12. 2013-02-20 07:05 John Brown
13. 2013-02-20 17:11 Brad Morris
14. 2013-02-20 17:51 John Brown
15. 2013-02-20 18:15 Brad Morris
16. 2013-02-20 22:39 Alan S
17. 2013-02-21 01:23 Brad Morris

21 Feb 2013 – 21 Feb 2013 : Finally, a reasonable explanation for Earhart's failure to find Howland island

1. 2013-02-21 21:56 Gary LaPook

22 Feb 2013 – 22 Feb 2013 : Was sent this- Pacific Clipper- The Long Way Home

1. 2013-02-22 05:16 Norm Goldblatt
2. 2013-02-22 06:15 Hewitt Schlereth

22 Feb 2013 – 22 Feb 2013 : Airboat CN

1. 2013-02-22 14:37 Greg Rudzinski

22 Feb 2013 – 22 Feb 2013 : As The World Turns

1. 2013-02-22 05:37 Norm Goldblatt
2. 2013-02-22 18:27 Geoffrey Kolbe
3. 2013-02-22 18:39 Norm Goldblatt

23 Feb 2013 – 23 Feb 2013 : Teaching Navigation

1. 2013-02-23 02:39 Byron Franklin

23 Feb 2013 – 24 Feb 2013 : Scrap paper and instruction in time sights

1. 2013-02-23 20:00 Frank Reed
2. 2013-02-24 03:33 Hewitt Schlereth

24 Feb 2013 – 24 Feb 2013 : Re: NavList 22455] Re: Scrap paper with timesights c.1870

1. 2013-02-24 03:34 Brad Morris

24 Feb 2013 – 24 Feb 2013 : Re: Scrap paper with time

1. 2013-02-24 05:09 Hewitt Schlereth
2. 2013-02-24 07:16 Örjan Sandström

18 Feb 2013 – 24 Feb 2013 : Re: Ruminatons on Bygrave and Hohenrechenschieberscale markings

1. 2013-02-18 18:05 Brad Morris
2. 2013-02-24 19:13 Brad Morris

18 Feb 2013 – 24 Feb 2013 : Ruminatons on Bygrave and Hohenrechenschieber scale markings

1. 2013-02-18 07:14 Brad Morris
2. 2013-02-18 15:59 Robin Stuart
3. 2013-02-24 17:13 Robin Stuart
4. 2013-02-24 17:46 Robin Stuart
5. 2013-02-24 19:44 Robin Stuart
6. 2013-02-24 23:09 Brad Morris

24 Feb 2013 – 25 Feb 2013 : Re: Finally, a reasonable explanation for Earhart's failure to find Howlandisland

1. 2013-02-24 17:38 Andrew Nikitin
2. 2013-02-24 17:50 Don Seltzer
3. 2013-02-25 23:18 h.a.c. van Asten

26 Feb 2013 – 26 Feb 2013 : Re: Finally, a reasonable explanation for Earhart's failure to find Howland

1. 2013-02-26 05:32 Gary LaPook
2. 2013-02-26 06:05 Gary LaPook

26 Feb 2013 – 26 Feb 2013 : Re: Finally, a reasonable explanation forEarhart's failure to find Howland

1. 2013-02-26 07:49 Geoffrey Kolbe

26 Feb 2013 – 26 Feb 2013 : Lunar distance sights attempted

1. 2013-02-26 20:35 Randall Morrow

27 Feb 2013 – 27 Feb 2013 : Mode of use of small sextants

1. 2013-02-27 04:11 Bill Morris
2. 2013-02-27 06:15 Bill Morris
3. 2013-02-27 12:57 Brad Morris
4. 2013-02-27 18:07 Frank Reed

26 Feb 2013 – 28 Feb 2013 : Night video from Down Under

1. 2013-02-26 14:28 Noell Wilson
2. 2013-02-26 21:28 Frank Reed
3. 2013-02-28 17:50 Noell Wilson
4. 2013-02-28 18:11 Brad Morris

28 Feb 2013 – 28 Feb 2013 : Re: Measuring (andcalculating) Dip

1. 2013-02-28 22:20 Brad Morris

28 Feb 2013 – 28 Feb 2013 : P.V.H. Weems papers

1. 2013-02-28 00:07 Roger Connor
2. 2013-02-28 14:52 Bruce J. Pennino
3. 2013-02-28 15:25 Gary LaPook
4. 2013-02-28 22:43 Roger Connor

28 Feb 2013 – 28 Feb 2013 : One stop celestial shopping

1. 2013-02-28 23:57 Noell Wilson

27 Feb 2013 – 01 Mar 2013 : Measuring (and calculating) Dip

1. 2013-02-27 03:24 Brad Morris
2. 2013-02-27 11:32 Marcel Tschudin
3. 2013-02-27 12:53 Brad Morris
4. 2013-02-27 17:34 Marcel Tschudin
5. 2013-02-27 18:53 Bill B
6. 2013-02-27 19:34 Brad Morris
7. 2013-02-27 21:39 Marcel Tschudin
8. 2013-02-28 00:16 Marcel Tschudin
9. 2013-02-28 16:42 Richard B. Langley
10. 2013-03-01 00:35 Frank Reed
11. 2013-03-01 01:01 Brad Morris

01 Mar 2013 – 01 Mar 2013 : Re: Measuring (and

1. 2013-03-01 02:10 Bruce J. Pennino
2. 2013-03-01 12:24 Marcel Tschudin

28 Feb 2013 – 01 Mar 2013 : Index Error - Real vs. Artificial Horizon

1. 2013-02-28 21:24 Paul Fithian
2. 2013-02-28 21:37 Bill B
3. 2013-02-28 21:42 Greg Rudzinski
4. 2013-02-28 21:50 Ridge White
5. 2013-02-28 22:05 Bill B
6. 2013-02-28 22:23 Paul Fithian
7. 2013-02-28 22:30 Brad Morris
8. 2013-03-01 00:24 Örjan Sandström
9. 2013-03-01 00:33 Brad Morris
10. 2013-03-01 00:47 Örjan Sandström
11. 2013-03-01 03:59 Bill B
12. 2013-03-01 15:13 David Fleming
13. 2013-03-01 15:38 Brad Morris
14. 2013-03-01 20:07 Norm Goldblatt

03 Mar 2013 – 03 Mar 2013 : Re: Dip-meter again-Update 2013

1. 2013-03-03 23:36 Bruce J. Pennino

04 Mar 2013 – 04 Mar 2013 : Averaging Sextant Sights

1. 2013-03-04 03:49 Paolo Borchetta

04 Mar 2013 – 04 Mar 2013 : Hat Off To Gary Lapook

1. 2013-03-04 04:30 Paolo Borchetta
2. 2013-03-04 06:20 Gary LaPook
3. 2013-03-04 06:53 Paolo Borchetta
4. 2013-03-04 08:36 Gary LaPook
5. 2013-03-04 09:02 Gary LaPook
6. 2013-03-04 09:43 h.a.c. van Asten

04 Mar 2013 – 04 Mar 2013 : Index error nomenclature

1. 2013-03-04 15:01 Jeremy C

04 Mar 2013 – 04 Mar 2013 : Re: Davis and Astra head to head...correction

1. 2013-03-04 15:42 Randall Morrow

04 Mar 2013 – 04 Mar 2013 : Initial Trial with Kolbe LTA

1. 2013-03-04 20:05 Paul Fithian
2. 2013-03-04 20:36 Greg Rudzinski
3. 2013-03-04 20:39 Paul Fithian
4. 2013-03-04 20:43 Paul Fithian
5. 2013-03-04 21:18 Greg Rudzinski
6. 2013-03-04 21:50 Paul Fithian

05 Mar 2013 – 05 Mar 2013 : ADMIN: some changes

1. 2013-03-05 21:41 Frank Reed
2. 2013-03-05 22:28 Frank Reed
3. 2013-03-05 22:59 Derrick Young

27 Feb 2013 – 06 Mar 2013 : Self Taught Celestial

1. 2013-02-27 18:11 Paul Fithian
2. 2013-02-27 19:50 Brad Morris
3. 2013-02-27 20:03 Geoffrey Kolbe
4. 2013-02-27 20:20 Greg Rudzinski
5. 2013-02-27 21:19 Norm Goldblatt
6. 2013-02-27 21:57 Paul Fithian
7. 2013-02-27 22:01 Paul Fithian
8. 2013-02-27 22:38 Byron Franklin
9. 2013-02-27 22:44 Bill B
10. 2013-02-27 23:04 Alexandre Eremenko
11. 2013-02-28 04:59 Brad Morris
12. 2013-02-28 05:44 Geoffrey Kolbe
13. 2013-02-28 08:21 Gary LaPook
14. 2013-02-28 09:17 Örjan Sandström
15. 2013-02-28 12:43 Jeremy C
16. 2013-02-28 15:29 Randall Morrow
17. 2013-02-28 16:36 Bruce J. Pennino
18. 2013-02-28 16:43 Örjan Sandström
19. 2013-02-28 17:53 Paul Fithian
20. 2013-02-28 18:30 Randall Morrow
21. 2013-02-28 18:40 Geoffrey Kolbe
22. 2013-02-28 18:51 Lu Abel
23. 2013-02-28 19:26 Sean C
24. 2013-02-28 19:26 Paul Fithian
25. 2013-02-28 19:28 Sean C
26. 2013-02-28 19:38 Paul Fithian
27. 2013-02-28 19:48 Lu Abel
28. 2013-03-01 00:31 Örjan Sandström
29. 2013-03-01 04:28 Bill B
30. 2013-03-01 22:01 Alan S
31. 2013-03-01 22:17 Alan S
32. 2013-03-03 03:42 Alan S
33. 2013-03-04 05:13 Alan S
34. 2013-03-05 17:45 Paul Fithian
35. 2013-03-05 18:11 Greg Rudzinski
36. 2013-03-05 19:20 Paul Fithian
37. 2013-03-06 01:13 Alan S

06 Mar 2013 – 06 Mar 2013 : Apparent size of sun and moon

1. 2013-03-06 13:47 Joel Silverberg

06 Mar 2013 – 06 Mar 2013 : Re: apparent size of sun and moon

1. 2013-03-06 14:36 Greg Rudzinski
2. 2013-03-06 14:40 Frank Reed
3. 2013-03-06 14:45 Robert Wyatt
4. 2013-03-06 14:53 Patrick Goold
5. 2013-03-06 15:02 Frank Reed
6. 2013-03-06 15:06 Greg Rudzinski
7. 2013-03-06 17:57 Brad Morris

06 Mar 2013 – 06 Mar 2013 : Board of Longitude papers online

1. 2013-03-06 21:37 Paul Hirose

04 Mar 2013 – 07 Mar 2013 : Davis and Astra head to head

1. 2013-03-04 15:25 Randall Morrow
2. 2013-03-04 16:50 Lu Abel
3. 2013-03-04 17:15 Randall Morrow
4. 2013-03-04 19:30 Paul Fithian
5. 2013-03-04 21:35 Ken Gebhart
6. 2013-03-04 21:41 Hewitt Schlereth
7. 2013-03-04 21:52 Paul Fithian
8. 2013-03-05 15:45 Lu Abel
9. 2013-03-05 17:11 Hewitt Schlereth
10. 2013-03-06 04:27 Paul Dolkas
11. 2013-03-06 14:43 Paul Fithian
12. 2013-03-07 02:45 Paul Dolkas
13. 2013-03-07 04:08 Paul Fithian

07 Mar 2013 – 07 Mar 2013 : Re: An example of a slope

1. 2013-03-07 08:12 Paolo Borchetta

07 Mar 2013 – 07 Mar 2013 : Re: A 'real-life' example of slope

1. 2013-03-07 08:23 Paolo Borchetta

07 Mar 2013 – 07 Mar 2013 : Re: An example of a slope/Admin: some changes

1. 2013-03-07 11:49 Sean C
2. 2013-03-07 12:15 Paolo Borchetta
3. 2013-03-07 16:13 Frank Reed
4. 2013-03-07 17:24 Paolo Borchetta

06 Mar 2013 – 07 Mar 2013 : Fw: Viking sunstone

1. 2013-03-06 22:15 Gary LaPook
2. 2013-03-07 06:01 Paolo Borchetta
3. 2013-03-07 17:47 Noell Wilson

07 Mar 2013 – 07 Mar 2013 : Cool photo with atmospheric phenomena

1. 2013-03-07 18:13 Robert Wyatt

05 Mar 2013 – 07 Mar 2013 : Practice Celestial Navigation Problems

1. 2013-03-05 20:19 Paul Fithian
2. 2013-03-06 01:15 Alan S
3. 2013-03-06 02:07 Bruce J. Pennino
4. 2013-03-07 20:16 Alan S

06 Mar 2013 – 08 Mar 2013 : Open Cockpit Sun Sights Exercise

1. 2013-03-06 08:14 Paolo Borchetta
2. 2013-03-06 21:01 Ken Gebhart
3. 2013-03-06 22:14 Gary LaPook
4. 2013-03-07 06:31 Paolo Borchetta
5. 2013-03-07 06:37 Paolo Borchetta
6. 2013-03-07 16:29 Frank Reed
7. 2013-03-07 17:49 Paolo Borchetta
8. 2013-03-08 00:09 Dave Walden

07 Mar 2013 – 08 Mar 2013 : Apparent size of moon and ship

1. 2013-03-07 01:14 Don Seltzer
2. 2013-03-07 23:35 Frank Reed
3. 2013-03-08 00:49 Don Seltzer
4. 2013-03-08 00:56 Lu Abel

07 Mar 2013 – 08 Mar 2013 : Polhemus Computer

1. 2013-03-07 18:16 Paolo Borchetta
2. 2013-03-07 18:36 Hewitt Schlereth
3. 2013-03-07 18:59 Gary LaPook
4. 2013-03-07 19:47 Paolo Borchetta
5. 2013-03-07 19:48 Paolo Borchetta
6. 2013-03-07 20:54 Alan S
7. 2013-03-08 00:14 Dave Walden
8. 2013-03-08 03:54 Paolo Borchetta

05 Mar 2013 – 08 Mar 2013 : Aircraft Octant Optimal Bubble Size

1. 2013-03-05 16:37 Greg Rudzinski
2. 2013-03-05 17:20 Hewitt Schlereth
3. 2013-03-06 00:36 Robert Eno
4. 2013-03-06 05:44 Paolo Borchetta
5. 2013-03-06 13:15 Greg Rudzinski
6. 2013-03-06 14:24 Greg Rudzinski
7. 2013-03-06 16:23 Paolo Borchetta
8. 2013-03-06 16:42 Paolo Borchetta
9. 2013-03-06 18:01 Robert Eno
10. 2013-03-07 02:36 Paul Dolkas
11. 2013-03-07 05:38 Paolo Borchetta
12. 2013-03-07 05:51 Paolo Borchetta
13. 2013-03-07 08:43 Bill Morris
14. 2013-03-08 00:26 Robert Eno
15. 2013-03-08 04:04 Paolo Borchetta

09 Mar 2013 – 09 Mar 2013 : Researchers say crystal found at bottom of English Channel may be a fabledsunstone

1. 2013-03-09 05:01 Paul Saffo

09 Mar 2013 – 09 Mar 2013 : Re: Researchers say crystal found at bottom of EnglishChannel may be a fabled sunstone

1. 2013-03-09 19:11 John H

07 Mar 2013 – 10 Mar 2013 : Re: cool photo with atmospheric phenomena

1. 2013-03-07 18:34 Hewitt Schlereth
2. 2013-03-07 18:43 Robert Wyatt
3. 2013-03-09 22:30 Frank Reed
4. 2013-03-10 00:42 Hewitt Schlereth

11 Mar 2013 – 11 Mar 2013 : Art show

1. 2013-03-11 00:04 Byron Franklin
2. 2013-03-11 09:37 Bill B

07 Mar 2013 – 11 Mar 2013 : Basque Whalers

1. 2013-03-07 20:31 Andrés Ruiz
2. 2013-03-07 22:23 Frank Reed
3. 2013-03-08 08:39 Andrés Ruiz
4. 2013-03-08 17:21 Noell Wilson
5. 2013-03-08 17:48 Lu Abel
6. 2013-03-08 18:59 Andrés Ruiz
7. 2013-03-08 21:05 Lu Abel
8. 2013-03-08 21:19 Hewitt Schlereth
9. 2013-03-08 21:49 Lu Abel
10. 2013-03-09 20:55 Andrés Ruiz
11. 2013-03-10 23:31 Frank Reed
12. 2013-03-10 23:49 Brad Morris
13. 2013-03-11 13:23 Andrés Ruiz
14. 2013-03-11 17:25 Lu Abel

11 Mar 2013 – 11 Mar 2013 : ADMIN: email screw-up (please read first)

1. 2013-03-11 18:48 Frank Reed

10 Mar 2013 – 11 Mar 2013 : Response Amplitude Operator

1. 2013-03-10 23:30 Brad Morris
2. 2013-03-11 12:25 Dave Walden
3. 2013-03-11 18:56 Brad Morris

11 Mar 2013 – 12 Mar 2013 : Lean And Mean Bubble Sextant Sun Sight

1. 2013-03-11 20:19 Paolo Borchetta
2. 2013-03-11 20:56 Greg Rudzinski
3. 2013-03-12 01:50 Paolo Borchetta
4. 2013-03-12 03:07 Paul Dolkas
5. 2013-03-12 04:20 Gary LaPook
6. 2013-03-12 04:31 Paolo Borchetta
7. 2013-03-12 04:31 Gary LaPook
8. 2013-03-12 04:36 Paolo Borchetta

12 Mar 2013 – 12 Mar 2013 : Refurbishing A Drift Sight/Pelorus

1. 2013-03-12 04:47 Paolo Borchetta
2. 2013-03-12 06:52 Gary LaPook

12 Mar 2013 – 12 Mar 2013 : Byron ART

1. 2013-03-12 18:41 Byron Franklin

12 Mar 2013 – 12 Mar 2013 : Navigation aux Astres et aux Satellites par La méthode du plan des sommets

1. 2013-03-12 21:09 Andrés Ruiz

13 Mar 2013 – 13 Mar 2013 : Now, this photo, I believe.

1. 2013-03-13 00:21 Joel Silverberg

13 Mar 2013 – 13 Mar 2013 : My solutions to Jeremy's sextant date, that of 13 and 16 January, 2013

1. 2013-03-13 00:25 Alan S

11 Mar 2013 – 13 Mar 2013 : Equation of Time Simplified?

1. 2013-03-11 16:46 George Brandenburg
2. 2013-03-11 17:29 Richard B. Langley
3. 2013-03-11 17:44 Richard B. Langley
4. 2013-03-11 17:56 Frank Reed
5. 2013-03-11 19:03 Andrés Ruiz
6. 2013-03-11 20:03 Robert Wyatt
7. 2013-03-13 01:50 George Brandenburg

08 Mar 2013 – 14 Mar 2013 : Advancing LOP's in surface Celnav.

1. 2013-03-08 15:01 Jeremy C
2. 2013-03-10 00:40 Gary LaPook
3. 2013-03-10 01:09 Gary LaPook
4. 2013-03-10 01:27 Gary LaPook
5. 2013-03-10 19:51 Peter Hakel
6. 2013-03-13 04:20 Gary LaPook
7. 2013-03-14 01:21 Peter Hakel
8. 2013-03-14 08:20 Andrés Ruiz

14 Mar 2013 – 14 Mar 2013 : Re: Navigation aux Astres et aux Satellites par La m�th ode du plan des sommets

1. 2013-03-14 16:48 Yves Robin-Jouan

13 Mar 2013 – 14 Mar 2013 : When Am I?

1. 2013-03-13 20:32 Richard B. Langley
2. 2013-03-14 16:38 Noell Wilson
3. 2013-03-14 17:11 Richard B. Langley

13 Mar 2013 – 14 Mar 2013 : Art Show

1. 2013-03-13 23:21 John Karl
2. 2013-03-14 00:24 Byron Franklin
3. 2013-03-14 08:02 Andrés Ruiz
4. 2013-03-14 14:34 Alan S
5. 2013-03-14 21:17 John Karl
6. 2013-03-14 22:45 Hewitt Schlereth

01 Mar 2013 – 15 Mar 2013 : A practice round of stars

1. 2013-03-01 13:49 Jeremy C
2. 2013-03-01 20:42 Bruce J. Pennino
3. 2013-03-01 20:54 Brad Morris
4. 2013-03-01 21:03 Stan K
5. 2013-03-01 22:03 Mike Burkes
6. 2013-03-02 08:14 Peter Hakel
7. 2013-03-02 14:18 Jeremy C
8. 2013-03-02 17:09 Greg Rudzinski
9. 2013-03-02 17:29 Greg Rudzinski
10. 2013-03-02 18:03 Peter Hakel
11. 2013-03-02 18:51 Peter Hakel
12. 2013-03-03 00:29 Robert Bernecky
13. 2013-03-03 02:46 Bill B
14. 2013-03-03 02:55 Greg Rudzinski
15. 2013-03-03 13:06 Bruce J. Pennino
16. 2013-03-03 19:06 Mike Burkes
17. 2013-03-03 20:23 Greg Rudzinski
18. 2013-03-03 21:49 Peter Hakel
19. 2013-03-03 23:30 Greg Rudzinski
20. 2013-03-04 14:29 Jeremy C
21. 2013-03-04 14:34 Jeremy C
22. 2013-03-05 03:45 Sean C
23. 2013-03-05 08:48 Paolo Borchetta
24. 2013-03-05 13:53 Jeremy C
25. 2013-03-05 14:02 Jeremy C
26. 2013-03-05 14:45 Paolo Borchetta
27. 2013-03-06 23:42 Alan S
28. 2013-03-07 12:02 Paul Fithian
29. 2013-03-07 21:51 Andrés Ruiz
30. 2013-03-08 19:34 Antoine Couëtte
31. 2013-03-08 22:23 Peter Hakel
32. 2013-03-09 10:12 Antoine Couëtte
33. 2013-03-09 13:19 Peter Hakel
34. 2013-03-09 16:38 Alan S
35. 2013-03-10 20:26 Antoine Couëtte
36. 2013-03-10 20:35 Antoine Couëtte
37. 2013-03-10 23:08 Alan S
38. 2013-03-12 10:37 Yves Robin-Jouan
39. 2013-03-13 08:24 Antoine Couëtte
40. 2013-03-15 18:49 Yves Robin-Jouan

15 Mar 2013 – 16 Mar 2013 : Methuselah Star

1. 2013-03-15 15:43 Norm Goldblatt
2. 2013-03-15 18:37 Brad Morris
3. 2013-03-16 04:24 Norm Goldblatt

15 Mar 2013 – 16 Mar 2013 : Navigation books: Mystic Seaport Store

1. 2013-03-15 21:01 Frank Reed
2. 2013-03-15 23:52 Dave Walden
3. 2013-03-16 16:17 Byron Franklin
4. 2013-03-16 16:30 Byron Franklin
5. 2013-03-16 17:37 Hewitt Schlereth

17 Mar 2013 – 17 Mar 2013 : Nc77 Availability, Condition and Price.

1. 2013-03-17 21:32 J Brunton

17 Mar 2013 – 18 Mar 2013 : More information about carrying a sextant with radium

1. 2013-03-17 15:59 Gary LaPook
2. 2013-03-17 17:40 Örjan Sandström
3. 2013-03-17 19:05 Bill Morris
4. 2013-03-17 21:04 Paul Brewer
5. 2013-03-17 21:25 Alexandre Eremenko
6. 2013-03-17 23:07 Gary LaPook
7. 2013-03-17 23:48 Paul Brewer
8. 2013-03-18 01:25 Alexandre Eremenko
9. 2013-03-18 03:26 Norm Goldblatt

18 Mar 2013 – 18 Mar 2013 : The Darn Old Cocked Hat + Trimble

1. 2013-03-18 03:33 Hanno Ix

17 Mar 2013 – 18 Mar 2013 : Azimuth discrepancy?

1. 2013-03-17 23:06 Alan S
2. 2013-03-17 23:43 Greg Rudzinski
3. 2013-03-18 05:56 Antoine Couëtte

04 Mar 2013 – 18 Mar 2013 : Round Two: with a bonus ex-meridian

1. 2013-03-04 14:48 Jeremy C
2. 2013-03-04 16:23 Greg Rudzinski
3. 2013-03-05 18:31 Bruce J. Pennino
4. 2013-03-07 20:44 Alan S
5. 2013-03-07 21:08 Alan S
6. 2013-03-07 21:53 Alan S
7. 2013-03-08 19:09 Antoine Couëtte
8. 2013-03-08 22:09 Peter Hakel
9. 2013-03-09 22:08 Örjan Sandström
10. 2013-03-10 00:05 Alan S
11. 2013-03-10 01:25 Sean C
12. 2013-03-12 05:37 Paolo Borchetta
13. 2013-03-17 16:54 Yves Robin-Jouan
14. 2013-03-18 10:50 Yves Robin-Jouan

18 Mar 2013 – 18 Mar 2013 : Re: The Darn Old Cocked Hat - recent articles

1. 2013-03-18 17:15 Hanno Ix
2. 2013-03-18 20:04 Andrés Ruiz

12 Mar 2013 – 18 Mar 2013 : Level vials for mirror artificial horizons

1. 2013-03-12 17:54 Randall Morrow
2. 2013-03-12 22:25 Bruce J. Pennino
3. 2013-03-18 14:48 Randall Morrow
4. 2013-03-18 15:19 Randall Morrow
5. 2013-03-18 17:45 Bruce J. Pennino
6. 2013-03-18 18:43 Randall Morrow
7. 2013-03-18 20:06 Patrick Goold

17 Mar 2013 – 19 Mar 2013 : Cocked hat vs Confidence ellipse

1. 2013-03-17 22:48 Andrew Nikitin
2. 2013-03-19 14:56 Andrés Ruiz

19 Mar 2013 – 19 Mar 2013 : Refraction and dip: a diagram

1. 2013-03-19 19:29 Frank Reed
2. 2013-03-19 20:15 Antoine Couëtte

20 Mar 2013 – 20 Mar 2013 : Visual and Radar. Visual and radar.

1. 2013-03-20 01:30 Byron Franklin

01 Mar 2013 – 20 Mar 2013 : Re: Measuring (and Calculating) Dip

1. 2013-03-01 02:50 Brad Morris
2. 2013-03-01 14:52 Brad Morris
3. 2013-03-01 15:36 David Fleming
4. 2013-03-01 22:54 Marcel Tschudin
5. 2013-03-03 04:32 Brad Morris
6. 2013-03-03 12:40 Greg Rudzinski
7. 2013-03-03 14:48 Marcel Tschudin
8. 2013-03-03 15:47 Greg Rudzinski
9. 2013-03-03 15:51 Örjan Sandström
10. 2013-03-03 18:40 Bruce J. Pennino
11. 2013-03-03 19:22 Bill Morris
12. 2013-03-03 20:58 Gary LaPook
13. 2013-03-03 21:31 Brad Morris
14. 2013-03-03 21:34 Brad Morris
15. 2013-03-03 21:49 Brad Morris
16. 2013-03-03 23:55 Bruce J. Pennino
17. 2013-03-04 00:10 Brad Morris
18. 2013-03-06 00:25 Brad Morris
19. 2013-03-06 05:47 Bill Morris
20. 2013-03-06 19:06 Brad Morris
21. 2013-03-07 08:09 Bill Morris
22. 2013-03-07 11:33 Marcel Tschudin
23. 2013-03-07 17:06 Bruce J. Pennino
24. 2013-03-08 04:32 Brad Morris
25. 2013-03-08 14:45 Bruce J. Pennino
26. 2013-03-09 02:08 Brad Morris
27. 2013-03-09 04:07 Bill Morris
28. 2013-03-09 21:11 Paul Hirose
29. 2013-03-09 22:20 Frank Reed
30. 2013-03-09 22:24 Bruce J. Pennino
31. 2013-03-10 03:53 Bill Morris
32. 2013-03-10 13:24 Brad Morris
33. 2013-03-11 03:38 Paul Hirose
34. 2013-03-11 15:12 Paul Hirose
35. 2013-03-11 20:39 Bruce J. Pennino
36. 2013-03-12 03:21 Paul Hirose
37. 2013-03-13 18:44 Frank Reed
38. 2013-03-13 19:12 Brad Morris
39. 2013-03-19 18:34 Brad Morris
40. 2013-03-19 19:21 Frank Reed
41. 2013-03-19 19:39 Brad Morris
42. 2013-03-19 22:20 Bruce J. Pennino
43. 2013-03-19 22:42 Brad Morris
44. 2013-03-20 00:35 Bruce J. Pennino
45. 2013-03-20 01:20 Brad Morris
46. 2013-03-20 02:30 Bruce J. Pennino
47. 2013-03-20 04:42 Brad Morris
48. 2013-03-20 06:05 Bill Morris
49. 2013-03-20 13:28 Bruce J. Pennino
50. 2013-03-20 16:43 Brad Morris
51. 2013-03-20 17:01 Brad Morris

20 Mar 2013 – 20 Mar 2013 : Observing Celestial bodies

1. 2013-03-20 00:31 Byron Franklin
2. 2013-03-20 06:29 Gary LaPook
3. 2013-03-20 09:37 Brad Morris
4. 2013-03-20 15:16 Richard B. Langley
5. 2013-03-20 19:58 Byron Franklin

21 Mar 2013 – 21 Mar 2013 : Re: Measuring (and Calculating) Dip with Mirage

1. 2013-03-21 01:00 Bruce J. Pennino
2. 2013-03-21 03:33 Brad Morris

19 Mar 2013 – 21 Mar 2013 : The Darn Old Cocked Hat vs CG?

1. 2013-03-19 17:40 Hanno Ix
2. 2013-03-19 18:59 Andrés Ruiz
3. 2013-03-19 19:14 Brad Morris
4. 2013-03-19 19:56 Andrés Ruiz
5. 2013-03-19 21:04 Brad Morris
6. 2013-03-19 23:17 Hanno Ix
7. 2013-03-21 10:55 Andrés Ruiz

21 Mar 2013 – 21 Mar 2013 : John's T-nav diagram

1. 2013-03-21 15:03 Jeremy C

21 Mar 2013 – 21 Mar 2013 : Re: Unusual Tamaya with Coutinho style AH

1. 2013-03-21 17:38 João Blasques
2. 2013-03-21 18:06 Brad Morris

21 Mar 2013 – 21 Mar 2013 : Re: The Darn Old Cocked Hat vs CG/MPP?

1. 2013-03-21 19:27 Hanno Ix

21 Mar 2013 – 22 Mar 2013 : Bubble sextant construction

1. 2013-03-21 21:38 Randall Morrow
2. 2013-03-21 23:35 Paul Brewer
3. 2013-03-22 00:16 Robert Eno
4. 2013-03-22 00:25 Hewitt Schlereth
5. 2013-03-22 00:26 Robert Eno

18 Mar 2013 – 22 Mar 2013 : Lies, damn lies, and statistics...

1. 2013-03-18 19:44 Frank Reed
2. 2013-03-18 20:40 Hanno Ix
3. 2013-03-18 21:21 Gary LaPook
4. 2013-03-19 00:07 Robert Eno
5. 2013-03-19 00:36 Frank Reed
6. 2013-03-19 03:17 Robert Eno
7. 2013-03-19 09:53 Jeremy C
8. 2013-03-19 13:30 Tom Sult
9. 2013-03-19 17:47 Tom Sult
10. 2013-03-19 19:24 Hewitt Schlereth
11. 2013-03-19 19:33 Hewitt Schlereth
12. 2013-03-19 20:24 Antoine Couëtte
13. 2013-03-19 20:44 Paolo Borchetta
14. 2013-03-19 20:56 Paolo Borchetta
15. 2013-03-19 21:01 Hewitt Schlereth
16. 2013-03-19 22:54 Robert Eno
17. 2013-03-19 23:08 Robert Eno
18. 2013-03-19 23:20 Brad Morris
19. 2013-03-20 02:15 Tom Sult
20. 2013-03-22 11:40 Andrés Ruiz
21. 2013-03-22 14:11 Greg Rudzinski

21 Mar 2013 – 23 Mar 2013 : Re: Measuring (and Calculating) Dip - sighting technique

1. 2013-03-21 02:52 Bruce J. Pennino
2. 2013-03-21 03:27 Bill Morris
3. 2013-03-21 03:49 Brad Morris
4. 2013-03-22 23:39 Brad Morris
5. 2013-03-23 03:58 Brad Morris

23 Mar 2013 – 23 Mar 2013 : Fireball: northeast US.

1. 2013-03-23 01:27 Frank Reed
2. 2013-03-23 02:17 Brad Morris
3. 2013-03-23 11:19 John H

23 Mar 2013 – 23 Mar 2013 : All Navs - All Types Reunion April 8-10, 2013 by AFNOA in Savannah

1. 2013-03-23 15:29 Ronald P Barrett

22 Mar 2013 – 24 Mar 2013 : The Accuracy of Astronomical Observations at Sea

1. 2013-03-22 15:26 Andrés Ruiz
2. 2013-03-22 15:55 Alexandre Eremenko
3. 2013-03-22 16:03 Brad Morris
4. 2013-03-22 16:45 Antoine Couëtte
5. 2013-03-22 17:44 Byron Franklin
6. 2013-03-22 19:01 Brad Morris
7. 2013-03-24 04:52 Gary LaPook
8. 2013-03-24 05:29 Gary LaPook
9. 2013-03-24 06:20 Brad Morris

24 Mar 2013 – 26 Mar 2013 : Indian sextants

1. 2013-03-24 16:55 Dave Walden
2. 2013-03-24 16:59 Alan S
3. 2013-03-24 17:05 Alan S
4. 2013-03-24 17:49 Hewitt Schlereth
5. 2013-03-24 19:40 Alexandre Eremenko
6. 2013-03-24 19:53 Hewitt Schlereth
7. 2013-03-24 23:12 Alan S
8. 2013-03-25 15:25 Philip Lange
9. 2013-03-26 21:07 Frank Reed

26 Mar 2013 – 26 Mar 2013 : Height of eye sinks ship

1. 2013-03-26 05:37 Frank Reed
2. 2013-03-26 14:58 Byron Franklin
3. 2013-03-26 19:49 Geoffrey Kolbe
4. 2013-03-26 20:55 Don Seltzer
5. 2013-03-26 21:00 Hewitt Schlereth
6. 2013-03-26 22:44 Frank Reed

26 Mar 2013 – 27 Mar 2013 : Fix "corner" near danger

1. 2013-03-26 16:56 Frank Reed
2. 2013-03-26 23:33 William Hawes
3. 2013-03-27 07:52 Andrés Ruiz

26 Mar 2013 – 27 Mar 2013 : Re: Ecdis

1. 2013-03-26 16:46 Lu Abel
2. 2013-03-26 22:12 Andrés Ruiz
3. 2013-03-27 02:06 Lu Abel
4. 2013-03-27 13:57 Jeremy C

26 Mar 2013 – 27 Mar 2013 : More outliers than expected

1. 2013-03-26 15:57 Frank Reed
2. 2013-03-27 14:37 Jeremy C

19 Mar 2013 – 27 Mar 2013 : Fix Maximum Probability Positions

1. 2013-03-19 19:10 John Karl
2. 2013-03-19 20:08 Antoine Couëtte
3. 2013-03-19 20:16 Andrés Ruiz
4. 2013-03-19 20:25 Antoine Couëtte
5. 2013-03-19 20:28 Andrés Ruiz
6. 2013-03-20 05:33 Hanno Ix
7. 2013-03-20 21:51 John Karl
8. 2013-03-20 22:08 John Karl
9. 2013-03-20 23:00 David Fleming
10. 2013-03-20 23:06 Randall Morrow
11. 2013-03-21 01:56 John Karl
12. 2013-03-21 02:27 Frank Reed
13. 2013-03-21 17:37 Gary LaPook
14. 2013-03-21 18:07 Andrés Ruiz
15. 2013-03-21 18:35 Andrés Ruiz
16. 2013-03-21 20:36 David Fleming
17. 2013-03-21 21:42 Hanno Ix
18. 2013-03-21 22:18 Dave Walden
19. 2013-03-21 22:32 Tom Sult
20. 2013-03-22 02:01 John Karl
21. 2013-03-22 02:55 David Fleming
22. 2013-03-22 05:49 Gary LaPook
23. 2013-03-22 06:07 Paolo Borchetta
24. 2013-03-24 00:26 John Karl
25. 2013-03-24 07:04 Geoffrey Kolbe
26. 2013-03-24 18:53 Hewitt Schlereth
27. 2013-03-24 19:44 John Karl
28. 2013-03-24 21:13 Hewitt Schlereth
29. 2013-03-24 22:37 John Karl
30. 2013-03-25 00:58 Hewitt Schlereth
31. 2013-03-25 03:22 John Karl
32. 2013-03-25 15:12 Hewitt Schlereth
33. 2013-03-25 15:21 Gary LaPook
34. 2013-03-25 15:45 Hewitt Schlereth
35. 2013-03-25 15:48 Greg Rudzinski
36. 2013-03-25 16:15 Greg Rudzinski
37. 2013-03-25 17:00 Hewitt Schlereth
38. 2013-03-25 17:02 David Fleming
39. 2013-03-25 19:29 John Karl
40. 2013-03-25 20:08 John Karl
41. 2013-03-25 21:11 Greg Rudzinski
42. 2013-03-25 21:41 John Karl
43. 2013-03-25 21:53 David Fleming
44. 2013-03-25 22:13 David Fleming
45. 2013-03-25 22:55 Hewitt Schlereth
46. 2013-03-25 23:03 John Karl
47. 2013-03-25 23:30 John Karl
48. 2013-03-25 23:45 Greg Rudzinski
49. 2013-03-26 00:04 Greg Rudzinski
50. 2013-03-26 01:05 Hewitt Schlereth
51. 2013-03-26 01:57 John Karl
52. 2013-03-26 02:52 John Karl
53. 2013-03-26 02:57 Hewitt Schlereth
54. 2013-03-26 04:10 Greg Rudzinski
55. 2013-03-26 04:23 Greg Rudzinski
56. 2013-03-26 13:35 Jeremy C
57. 2013-03-26 15:02 Greg Rudzinski
58. 2013-03-26 15:29 Jeremy C
59. 2013-03-26 16:46 Greg Rudzinski
60. 2013-03-26 17:22 John Karl
61. 2013-03-26 17:29 Frank Reed
62. 2013-03-26 17:35 John Karl
63. 2013-03-26 18:02 John Karl
64. 2013-03-26 18:07 Greg Rudzinski
65. 2013-03-26 19:15 Hewitt Schlereth
66. 2013-03-26 20:44 John Karl
67. 2013-03-26 21:21 John Karl
68. 2013-03-26 21:45 Hewitt Schlereth
69. 2013-03-27 01:04 Greg Rudzinski
70. 2013-03-27 02:19 John Karl
71. 2013-03-27 14:01 Jeremy C
72. 2013-03-27 15:05 Greg Rudzinski

26 Mar 2013 – 27 Mar 2013 : Finding the true horizon

1. 2013-03-26 16:25 Frank Reed
2. 2013-03-26 16:34 David Cortes
3. 2013-03-26 20:46 Frank Reed
4. 2013-03-27 00:40 David Cortes
5. 2013-03-27 01:10 Bruce J. Pennino
6. 2013-03-27 20:01 Paul Hirose

27 Mar 2013 – 27 Mar 2013 : Admin: record first quarter and some useful tricks

1. 2013-03-27 20:08 Frank Reed
2. 2013-03-27 20:40 Tom Sult

27 Mar 2013 – 27 Mar 2013 : Sextant repair inquiry

1. 2013-03-27 20:48 Frank Reed

26 Mar 2013 – 27 Mar 2013 : Celestial arts and crafts

1. 2013-03-26 16:02 Frank Reed
2. 2013-03-26 16:34 Hewitt Schlereth
3. 2013-03-26 18:13 Bill B
4. 2013-03-26 20:04 Lu Abel
5. 2013-03-26 20:41 Frank Reed
6. 2013-03-26 22:08 Hewitt Schlereth
7. 2013-03-26 22:31 Frank Reed
8. 2013-03-27 00:12 Hewitt Schlereth
9. 2013-03-27 07:16 Andrés Ruiz
10. 2013-03-27 14:19 David Fleming
11. 2013-03-27 14:25 Jeremy C
12. 2013-03-27 15:52 Hewitt Schlereth
13. 2013-03-27 19:45 Frank Reed
14. 2013-03-27 21:40 Hewitt Schlereth

28 Mar 2013 – 28 Mar 2013 : Fwd: National Air and Space Museum Time and Navigation exhibit press preview April 10

1. 2013-03-28 14:21 Richard B. Langley

28 Mar 2013 – 28 Mar 2013 : Call for papers - History of Navigation conference, Greenwich, April 2014

1. 2013-03-28 15:37 Richard Dunn

27 Mar 2013 – 31 Mar 2013 : Geeks [slide] rule!

1. 2013-03-27 00:29 Sean C
2. 2013-03-27 02:02 Brad Morris
3. 2013-03-27 21:03 Sean C
4. 2013-03-27 21:06 Brad Morris
5. 2013-03-27 22:29 Brad Morris
6. 2013-03-28 00:00 Alan S
7. 2013-03-28 00:11 Alan S
8. 2013-03-28 00:27 Brad Morris
9. 2013-03-28 00:32 James F. Campbell
10. 2013-03-28 03:36 Alan S
11. 2013-03-28 03:42 Alan S
12. 2013-03-28 10:53 Sean C
13. 2013-03-28 12:11 Dave Walden
14. 2013-03-28 18:53 Lu Abel
15. 2013-03-28 19:16 Lu Abel
16. 2013-03-28 21:31 Brad Morris
17. 2013-03-28 23:46 Alan S
18. 2013-03-28 23:50 Alan S
19. 2013-03-31 02:43 Norm Goldblatt
20. 2013-03-31 02:52 Norm Goldblatt
21. 2013-03-31 03:09 Brad Morris
22. 2013-03-31 04:41 Norm Goldblatt
23. 2013-03-31 05:59 Gary LaPook
24. 2013-03-31 06:54 Norm Goldblatt
25. 2013-03-31 12:10 Sean C
26. 2013-03-31 12:40 Geoffrey Kolbe
27. 2013-03-31 16:47 Lu Abel
28. 2013-03-31 17:48 Alan S
29. 2013-03-31 18:10 Norm Goldblatt

10 Mar 2013 – 31 Mar 2013 : The Darn Old Cocked Hat - the sequel 1

1. 2013-03-10 00:58 Hanno Ix
2. 2013-03-10 02:34 Tom Sult
3. 2013-03-11 18:22 John Karl
4. 2013-03-11 19:45 Frank Reed
5. 2013-03-11 22:54 Hanno Ix
6. 2013-03-11 22:56 Hanno Ix
7. 2013-03-11 23:22 Tom Sult
8. 2013-03-12 01:34 John Karl
9. 2013-03-12 02:06 Tom Sult
10. 2013-03-12 03:01 Hewitt Schlereth
11. 2013-03-12 07:25 Gary LaPook
12. 2013-03-12 08:46 Hanno Ix
13. 2013-03-12 10:29 William Hawes
14. 2013-03-12 16:53 John Karl
15. 2013-03-12 20:10 Hanno Ix
16. 2013-03-12 20:56 Andrés Ruiz
17. 2013-03-12 21:26 Hanno Ix
18. 2013-03-12 22:58 Tom Sult
19. 2013-03-13 01:49 John Karl
20. 2013-03-13 03:15 Hanno Ix
21. 2013-03-13 04:15 Gary LaPook
22. 2013-03-13 05:01 Gary LaPook
23. 2013-03-13 05:10 Gary LaPook
24. 2013-03-13 05:42 Gary LaPook
25. 2013-03-13 06:44 Hanno Ix
26. 2013-03-13 06:48 Hanno Ix
27. 2013-03-13 07:06 Gary LaPook
28. 2013-03-13 08:11 Bill B
29. 2013-03-13 12:04 Dave Walden
30. 2013-03-13 12:54 Andrés Ruiz
31. 2013-03-13 14:06 Brad Morris
32. 2013-03-13 14:30 Andrés Ruiz
33. 2013-03-13 14:43 Brad Morris
34. 2013-03-13 14:47 Brad Morris
35. 2013-03-13 15:56 Hewitt Schlereth
36. 2013-03-13 16:47 Hanno Ix
37. 2013-03-13 16:54 Hanno Ix
38. 2013-03-13 17:10 Brad Morris
39. 2013-03-13 17:26 Greg Rudzinski
40. 2013-03-13 17:33 John Karl
41. 2013-03-13 17:36 Hewitt Schlereth
42. 2013-03-13 17:48 Brad Morris
43. 2013-03-13 19:03 Geoffrey Kolbe
44. 2013-03-13 20:44 Dave Walden
45. 2013-03-13 21:13 Hanno Ix
46. 2013-03-13 21:36 John Karl
47. 2013-03-13 22:19 Hanno Ix
48. 2013-03-13 22:38 Hanno Ix
49. 2013-03-13 23:00 Gary LaPook
50. 2013-03-14 06:33 Gary LaPook
51. 2013-03-14 07:44 Geoffrey Kolbe
52. 2013-03-14 20:19 Hanno Ix
53. 2013-03-14 23:35 Brad Morris
54. 2013-03-15 03:36 Hanno Ix
55. 2013-03-15 13:00 Greg Rudzinski
56. 2013-03-15 13:12 John Karl
57. 2013-03-15 14:53 David Fleming
58. 2013-03-15 15:36 Gary LaPook
59. 2013-03-15 17:42 Hewitt Schlereth
60. 2013-03-15 18:38 Richard B. Langley
61. 2013-03-15 20:22 Greg Rudzinski
62. 2013-03-15 20:48 John Karl
63. 2013-03-15 21:04 Marcel Tschudin
64. 2013-03-15 21:10 Andrew Nikitin
65. 2013-03-15 22:36 Hanno Ix
66. 2013-03-15 22:42 Hanno Ix
67. 2013-03-15 22:52 Hanno Ix
68. 2013-03-15 23:03 John Karl
69. 2013-03-15 23:59 Andrew Nikitin
70. 2013-03-16 01:02 Hanno Ix
71. 2013-03-17 00:39 Bill Noyce
72. 2013-03-17 06:23 Geoffrey Kolbe
73. 2013-03-17 07:32 Geoffrey Kolbe
74. 2013-03-17 12:38 Greg Rudzinski
75. 2013-03-17 15:26 Don Seltzer
76. 2013-03-17 16:03 Geoffrey Kolbe
77. 2013-03-17 18:15 Don Seltzer
78. 2013-03-17 19:13 Tom Sult
79. 2013-03-17 20:12 Don Seltzer
80. 2013-03-17 20:12 Luc Van den Borre
81. 2013-03-17 20:50 Tom Sult
82. 2013-03-17 21:18 Don Seltzer
83. 2013-03-17 23:13 Tom Sult
84. 2013-03-17 23:28 Brad Morris
85. 2013-03-18 00:01 Tom Sult
86. 2013-03-18 00:07 Frank Reed
87. 2013-03-18 02:59 Brad Morris
88. 2013-03-18 06:42 Geoffrey Kolbe
89. 2013-03-18 07:04 Bill B
90. 2013-03-18 12:26 Brad Morris
91. 2013-03-18 14:28 Geoffrey Kolbe
92. 2013-03-18 14:50 Brad Morris
93. 2013-03-18 15:56 Byron Franklin
94. 2013-03-18 16:25 Brad Morris
95. 2013-03-18 17:51 Derrick Young
96. 2013-03-19 02:09 Hanno Ix
97. 2013-03-31 19:31 William Hawes

25 Mar 2013 – 01 Apr 2013 : US. Navy fix accuracy and Interval.

1. 2013-03-25 16:53 Byron Franklin
2. 2013-03-26 14:08 Jeremy C
3. 2013-03-26 14:24 Gary LaPook
4. 2013-03-26 15:25 Frank Reed
5. 2013-03-26 16:53 Lu Abel
6. 2013-03-26 22:32 William Hawes
7. 2013-03-27 00:06 Byron Franklin
8. 2013-03-27 13:35 Jeremy C
9. 2013-03-28 15:57 Lu Abel
10. 2013-03-28 16:43 Brad Morris
11. 2013-03-28 20:19 Lu Abel
12. 2013-03-29 16:09 Jeremy C
13. 2013-03-29 16:31 Byron Franklin
14. 2013-03-29 16:42 Byron Franklin
15. 2013-03-29 17:14 Lu Abel
16. 2013-03-29 17:31 William Hawes
17. 2013-03-30 01:27 William Hawes
18. 2013-04-01 03:05 Byron Franklin

01 Apr 2013 – 01 Apr 2013 : Barr & Stroud FT 37 Rangefinder 1942 help

1. 2013-04-01 00:33 Mike Cino
2. 2013-04-01 05:30 Paolo Borchetta

31 Mar 2013 – 01 Apr 2013 : Junk snail mail

1. 2013-03-31 19:27 Philip Lange
2. 2013-03-31 23:00 Lu Abel
3. 2013-04-01 03:13 Lu Abel
4. 2013-04-01 22:32 Frank Reed

26 Mar 2013 – 01 Apr 2013 : Combine DR and celestial LOP

1. 2013-03-26 15:43 Frank Reed
2. 2013-03-26 17:57 Gary LaPook
3. 2013-03-30 01:14 Michael Bradley
4. 2013-03-30 17:45 John Karl
5. 2013-03-30 21:33 Greg Rudzinski
6. 2013-03-31 17:52 John Karl
7. 2013-04-01 23:19 Frank Reed
8. 2013-04-01 23:27 Tom Sult

01 Apr 2013 – 02 Apr 2013 : HO-249 Epoch 2015 pdf

1. 2013-04-01 20:37 Sean C
2. 2013-04-01 22:26 Frank Reed
3. 2013-04-02 04:53 Sean C

28 Mar 2013 – 02 Apr 2013 : Vertical Angle Measurement Errors

1. 2013-03-28 15:14 Bruce J. Pennino
2. 2013-03-28 23:16 Brad Morris
3. 2013-03-29 01:16 Bruce J. Pennino
4. 2013-03-30 13:30 Bruce J. Pennino
5. 2013-04-01 22:55 Bill Morris
6. 2013-04-02 09:46 Marcel Tschudin
7. 2013-04-02 09:47 Marcel Tschudin
8. 2013-04-02 14:52 Brad Morris

02 Apr 2013 – 02 Apr 2013 : Dip by sextant and systematic error

1. 2013-04-02 17:36 Frank Reed
2. 2013-04-02 17:54 Tom Sult
3. 2013-04-02 18:26 Greg Rudzinski
4. 2013-04-02 18:40 Marcel Tschudin
5. 2013-04-02 19:10 Frank Reed
6. 2013-04-02 20:32 Marcel Tschudin
7. 2013-04-02 20:34 Brad Morris

31 Mar 2013 – 03 Apr 2013 : Speaking of slide rules

1. 2013-03-31 18:18 Alan S
2. 2013-03-31 18:28 Norm Goldblatt
3. 2013-03-31 18:41 Greg Rudzinski
4. 2013-03-31 20:16 Alan S
5. 2013-03-31 20:45 Alan S
6. 2013-03-31 21:32 Greg Rudzinski
7. 2013-03-31 22:58 Paul Hirose
8. 2013-04-01 03:25 Alan S
9. 2013-04-01 03:40 Norm Goldblatt
10. 2013-04-01 03:44 Alan S
11. 2013-04-03 08:37 Brian Killian

02 Apr 2013 – 03 Apr 2013 : Suitable Sites for Dip Measurements?

1. 2013-04-02 22:21 Bruce J. Pennino
2. 2013-04-02 22:47 John H
3. 2013-04-02 23:57 Bruce J. Pennino
4. 2013-04-03 19:50 Frank Reed

04 Apr 2013 – 04 Apr 2013 : Practice sights and sextant reading basics

1. 2013-04-04 15:54 Frank Reed
2. 2013-04-04 16:05 Brad Morris
3. 2013-04-04 16:56 Greg Rudzinski
4. 2013-04-04 17:19 Lu Abel

20 Feb 2013 – 04 Apr 2013 : Scrap paper with time sights c.1870

1. 2013-02-20 23:41 Frank Reed
2. 2013-02-21 16:44 Lars Bergman
3. 2013-02-21 17:10 Frank Reed
4. 2013-02-21 17:16 Patrick Goold
5. 2013-02-21 18:13 Hewitt Schlereth
6. 2013-02-21 22:47 Lars Bergman
7. 2013-02-21 23:11 Brad Morris
8. 2013-02-22 02:35 Brad Morris
9. 2013-02-22 19:58 Lars Bergman
10. 2013-02-23 04:29 Henry Halboth
11. 2013-02-23 10:13 Lars Bergman
12. 2013-02-23 21:30 Hewitt Schlereth
13. 2013-02-23 21:31 Hewitt Schlereth
14. 2013-02-23 21:31 Hewitt Schlereth
15. 2013-02-23 21:36 Hewitt Schlereth
16. 2013-02-24 00:07 Örjan Sandström
17. 2013-02-24 23:15 Lars Bergman
18. 2013-02-26 13:41 Lars Bergman
19. 2013-02-26 19:21 Frank Reed
20. 2013-02-26 22:15 Lars Bergman
21. 2013-02-26 22:52 Frank Reed
22. 2013-03-19 19:36 Frank Reed
23. 2013-03-26 22:25 Lars Bergman
24. 2013-04-03 20:26 Frank Reed
25. 2013-04-04 15:01 Lars Bergman
26. 2013-04-04 15:20 Frank Reed
27. 2013-04-04 18:14 Doug MacPherson
28. 2013-04-04 19:18 Lars Bergman

04 Apr 2013 – 04 Apr 2013 : DR.a second opining.

1. 2013-04-04 22:27 Byron Franklin

05 Apr 2013 – 05 Apr 2013 : Dr a second opinion

1. 2013-04-05 01:27 Byron Franklin
2. 2013-04-05 02:02 Hewitt Schlereth

05 Apr 2013 – 05 Apr 2013 : What CN Calculators Are On Your LapTop DeskTop?

1. 2013-04-05 17:45 Greg Rudzinski
2. 2013-04-05 19:23 Frank Reed

05 Apr 2013 – 05 Apr 2013 : This is not "the list"

1. 2013-04-05 19:41 Frank Reed

31 Mar 2013 – 06 Apr 2013 : Re: SF Bay Bridge

1. 2013-03-31 17:16 Lu Abel
2. 2013-03-31 18:04 Alan S
3. 2013-04-03 21:48 Norm Goldblatt
4. 2013-04-03 22:21 Lu Abel
5. 2013-04-03 23:20 Alan S
6. 2013-04-04 18:00 Örjan Sandström
7. 2013-04-05 00:04 Alan S
8. 2013-04-05 18:03 Örjan Sandström
9. 2013-04-05 18:28 Greg Rudzinski
10. 2013-04-05 18:39 Brad Morris
11. 2013-04-06 03:37 Lu Abel
12. 2013-04-06 03:57 Alan S
13. 2013-04-06 03:58 Alan S
14. 2013-04-06 04:30 Frank Reed

02 Apr 2013 – 06 Apr 2013 : Dip Angles from Blue Hill Observatory

1. 2013-04-02 21:06 Bruce J. Pennino
2. 2013-04-02 21:16 Brad Morris
3. 2013-04-02 22:03 Marcel Tschudin
4. 2013-04-02 22:23 Bruce J. Pennino
5. 2013-04-02 22:46 Marcel Tschudin
6. 2013-04-02 23:37 Greg Rudzinski
7. 2013-04-04 03:22 Paul Hirose
8. 2013-04-04 03:57 Paul Hirose
9. 2013-04-05 12:52 Bruce J. Pennino
10. 2013-04-06 12:52 Marcel Tschudin

06 Apr 2013 – 06 Apr 2013 : Avery Point, CT Dip Angle

1. 2013-04-06 13:58 Bruce J. Pennino

03 Apr 2013 – 06 Apr 2013 : Probabilities & Estimations -- A Review

1. 2013-04-03 16:37 John Karl
2. 2013-04-05 04:19 Gary LaPook
3. 2013-04-06 19:59 John Karl

06 Apr 2013 – 06 Apr 2013 : Re Do we still need sextants, a question on which there have been severalposts.

1. 2013-04-06 22:19 Alan S

04 Apr 2013 – 06 Apr 2013 : Refraction near the Horizon – Observation vs. Calculation

1. 2013-04-04 22:25 Marcel Tschudin
2. 2013-04-05 13:10 Bruce J. Pennino
3. 2013-04-05 13:44 Brad Morris
4. 2013-04-05 14:22 Marcel Tschudin
5. 2013-04-05 14:34 Greg Rudzinski
6. 2013-04-05 14:59 Marcel Tschudin
7. 2013-04-05 15:05 Brad Morris
8. 2013-04-05 15:19 Marcel Tschudin
9. 2013-04-05 15:21 Greg Rudzinski
10. 2013-04-05 19:11 Frank Reed
11. 2013-04-05 22:09 Brad Morris
12. 2013-04-05 23:02 Bruce J. Pennino
13. 2013-04-06 10:13 Marcel Tschudin
14. 2013-04-06 16:05 Brad Morris
15. 2013-04-06 18:43 Marcel Tschudin
16. 2013-04-06 19:10 Brad Morris
17. 2013-04-06 22:53 Marcel Tschudin

06 Apr 2013 – 07 Apr 2013 : Powder of Sympathy

1. 2013-04-06 16:07 Norm Goldblatt
2. 2013-04-06 16:40 Bruce J. Pennino
3. 2013-04-06 17:10 John H
4. 2013-04-06 20:07 Frank Reed
5. 2013-04-06 21:59 Norm Goldblatt
6. 2013-04-06 23:32 Hewitt Schlereth
7. 2013-04-07 01:48 Brad Morris
8. 2013-04-07 02:11 Norm Goldblatt
9. 2013-04-07 02:47 Stan K
10. 2013-04-07 03:35 Hewitt Schlereth
11. 2013-04-07 03:42 Hewitt Schlereth
12. 2013-04-07 03:44 Hewitt Schlereth
13. 2013-04-07 03:53 Brad Morris

03 Apr 2013 – 07 Apr 2013 : Which Method do you prefer using and why.

1. 2013-04-03 06:27 Brian Killian
2. 2013-04-03 06:38 Lu Abel
3. 2013-04-03 08:22 Brian Killian
4. 2013-04-03 14:04 Greg Rudzinski
5. 2013-04-03 14:12 Randall Morrow
6. 2013-04-03 15:26 Örjan Sandström
7. 2013-04-03 17:10 John Brown
8. 2013-04-03 17:20 Lu Abel
9. 2013-04-03 17:55 Brian Killian
10. 2013-04-03 17:57 Brian Killian
11. 2013-04-03 22:21 Frank Reed
12. 2013-04-03 23:15 Lu Abel
13. 2013-04-04 00:01 Brad Morris
14. 2013-04-04 00:17 Brian Killian
15. 2013-04-04 00:35 Robert Eno
16. 2013-04-04 02:13 Ken Gebhart
17. 2013-04-04 04:48 Gary LaPook
18. 2013-04-04 04:54 Gary LaPook
19. 2013-04-04 05:00 Geoffrey Kolbe
20. 2013-04-04 05:01 Alan S
21. 2013-04-04 12:55 Sean C
22. 2013-04-04 14:11 Frank Reed
23. 2013-04-04 14:26 Richard B. Langley
24. 2013-04-04 15:02 Lu Abel
25. 2013-04-04 15:14 Lu Abel
26. 2013-04-04 15:31 Greg Rudzinski
27. 2013-04-04 18:11 Doug MacPherson
28. 2013-04-04 19:32 Bill B
29. 2013-04-04 19:54 Stan K
30. 2013-04-04 20:06 Brian Killian
31. 2013-04-04 20:39 Stan K
32. 2013-04-04 21:27 Lu Abel
33. 2013-04-05 00:31 Peter Hakel
34. 2013-04-05 00:35 Robert Eno
35. 2013-04-05 00:40 Robert Eno
36. 2013-04-05 02:17 Gary LaPook
37. 2013-04-05 05:18 Gary LaPook
38. 2013-04-05 07:04 Andrés Ruiz
39. 2013-04-05 08:46 John Brown
40. 2013-04-05 09:45 Yves Robin-Jouan
41. 2013-04-07 05:37 Gary LaPook

08 Apr 2013 – 08 Apr 2013 : Autonomous satellite navigation using starlight refraction angle measurements

1. 2013-04-08 14:26 Richard B. Langley

08 Apr 2013 – 08 Apr 2013 : The NA v and d Correction

1. 2013-04-08 21:04 Greg Rudzinski

07 Apr 2013 – 09 Apr 2013 : Dip Measured versus Dip Calculated

1. 2013-04-07 02:27 Bruce J. Pennino
2. 2013-04-07 04:47 Brad Morris
3. 2013-04-07 12:34 Marcel Tschudin
4. 2013-04-07 20:43 Brad Morris
5. 2013-04-09 00:23 Bruce J. Pennino
6. 2013-04-09 00:35 Brad Morris

07 Apr 2013 – 09 Apr 2013 : Harrison's H1: app and replica

1. 2013-04-07 23:44 Frank Reed
2. 2013-04-08 00:13 Hewitt Schlereth
3. 2013-04-08 00:26 Brad Morris
4. 2013-04-08 01:15 Hewitt Schlereth
5. 2013-04-08 01:18 Brad Morris
6. 2013-04-08 01:19 Brad Morris
7. 2013-04-08 01:53 Hewitt Schlereth
8. 2013-04-08 02:30 Brad Morris
9. 2013-04-08 05:49 Bill B
10. 2013-04-08 12:40 Jeremy C
11. 2013-04-08 12:59 Brad Morris
12. 2013-04-09 15:10 Jeremy C
13. 2013-04-09 15:16 Brad Morris
14. 2013-04-09 15:31 Frank Reed

09 Apr 2013 – 09 Apr 2013 : Correction

1. 2013-04-09 23:02 Brad Morris

07 Apr 2013 – 09 Apr 2013 : Stop and smell the equations

1. 2013-04-07 23:27 Frank Reed
2. 2013-04-09 00:11 Bruce J. Pennino
3. 2013-04-09 02:35 Frank Reed
4. 2013-04-09 23:56 Bruce J. Pennino

10 Apr 2013 – 10 Apr 2013 : Byron Navy and Mr. Brown

1. 2013-04-10 01:28 Byron Franklin

10 Apr 2013 – 10 Apr 2013 : Sunset After Gale

1. 2013-04-10 04:09 Greg Rudzinski

09 Apr 2013 – 10 Apr 2013 : New Explanatory Supplement to the Astronomical Almanac published

1. 2013-04-09 20:16 Paul Hirose
2. 2013-04-09 21:10 Dave Walden
3. 2013-04-10 05:57 Andrés Ruiz

10 Apr 2013 – 10 Apr 2013 : Re: Autonomous satellite navigation using starlightrefraction angle measurements

1. 2013-04-10 06:52 Andrés Ruiz

27 Mar 2013 – 10 Apr 2013 : Do We Still Need to Use Sextants?

1. 2013-03-27 07:23 Şems Aktuğ
2. 2013-03-27 11:46 Andrés Ruiz
3. 2013-03-27 13:22 Hewitt Schlereth
4. 2013-03-27 13:26 Brad Morris
5. 2013-03-27 13:32 Andrés Ruiz
6. 2013-03-27 13:49 Brad Morris
7. 2013-03-27 15:38 Hewitt Schlereth
8. 2013-03-27 15:43 Hewitt Schlereth
9. 2013-03-27 16:34 Alan S
10. 2013-03-27 16:42 Greg Rudzinski
11. 2013-03-27 18:34 Frank Reed
12. 2013-03-27 18:46 Don Seltzer
13. 2013-03-27 19:08 David Fleming
14. 2013-03-27 19:31 Brad Morris
15. 2013-03-27 19:42 Brad Morris
16. 2013-03-27 19:46 Greg Rudzinski
17. 2013-03-27 20:01 Brad Morris
18. 2013-03-28 08:47 Şems Aktuğ
19. 2013-03-28 09:41 Marcel Tschudin
20. 2013-03-28 14:08 Don Seltzer
21. 2013-03-28 14:22 David Fleming
22. 2013-03-28 14:59 Brad Morris
23. 2013-03-28 16:52 Don Seltzer
24. 2013-03-28 19:15 Brad Morris
25. 2013-03-28 20:30 Don Seltzer
26. 2013-03-28 20:44 Brad Morris
27. 2013-03-28 20:49 Brad Morris
28. 2013-04-05 20:44 Frank Reed
29. 2013-04-05 21:41 Tom Sult
30. 2013-04-05 23:26 David Cortes
31. 2013-04-06 03:15 Frank Reed
32. 2013-04-06 09:49 Yves Robin-Jouan
33. 2013-04-06 12:37 Richard B. Langley
34. 2013-04-06 13:22 Richard B. Langley
35. 2013-04-06 15:24 Henry Halboth
36. 2013-04-06 15:40 Norm Goldblatt
37. 2013-04-06 16:42 Sean C
38. 2013-04-08 10:12 Yves Robin-Jouan
39. 2013-04-08 12:57 Jeremy C
40. 2013-04-08 13:02 Jeremy C
41. 2013-04-08 14:45 Greg Rudzinski
42. 2013-04-08 16:24 Alan S
43. 2013-04-08 18:35 Brad Morris
44. 2013-04-08 19:56 Norm Goldblatt
45. 2013-04-08 20:04 Brad Morris
46. 2013-04-08 20:23 Norm Goldblatt
47. 2013-04-09 03:58 Alan S
48. 2013-04-09 04:16 Norm Goldblatt
49. 2013-04-09 09:07 Yves Robin-Jouan
50. 2013-04-09 15:22 Jeremy C
51. 2013-04-09 22:39 Brad Morris
52. 2013-04-10 04:23 Alan S
53. 2013-04-10 17:55 Yves Robin-Jouan

09 Apr 2013 – 11 Apr 2013 : Byron QMCM background

1. 2013-04-09 18:19 Byron Franklin
2. 2013-04-09 18:29 Brad Morris
3. 2013-04-11 00:45 Byron Franklin
4. 2013-04-11 05:15 Brian Killian
5. 2013-04-11 10:06 Antoine Couëtte

10 Apr 2013 – 11 Apr 2013 : Problem

1. 2013-04-10 04:43 Gary LaPook
2. 2013-04-10 17:03 Noell Wilson
3. 2013-04-11 13:20 Bruce J. Pennino

11 Apr 2013 – 11 Apr 2013 : Measuring Height of Eye with a Manometer

1. 2013-04-11 16:06 Brad Morris
2. 2013-04-11 16:18 Richard B. Langley

06 Apr 2013 – 11 Apr 2013 : Estimating height of eye

1. 2013-04-06 19:36 Bruce J. Pennino
2. 2013-04-06 20:15 Frank Reed
3. 2013-04-09 06:42 Bill B
4. 2013-04-09 10:16 Marcel Tschudin
5. 2013-04-10 15:25 Brad Morris
6. 2013-04-10 16:17 Marcel Tschudin
7. 2013-04-10 16:26 Richard B. Langley
8. 2013-04-10 18:40 Marcel Tschudin
9. 2013-04-10 18:50 Brad Morris
10. 2013-04-10 23:12 Brad Morris
11. 2013-04-11 02:45 Bruce J. Pennino
12. 2013-04-11 03:57 Brad Morris
13. 2013-04-11 05:23 Norm Goldblatt
14. 2013-04-11 12:42 Richard B. Langley
15. 2013-04-11 13:32 Richard B. Langley
16. 2013-04-11 13:37 Bruce J. Pennino
17. 2013-04-11 14:28 Bruce J. Pennino
18. 2013-04-11 16:38 Marcel Tschudin

05 Apr 2013 – 12 Apr 2013 : Re: Refraction near the Horizon ? Observation vs. Calculation

1. 2013-04-05 23:49 Brad Morris
2. 2013-04-06 00:40 Brad Morris
3. 2013-04-07 00:30 Brad Morris
4. 2013-04-07 11:14 Marcel Tschudin
5. 2013-04-07 20:15 Brad Morris
6. 2013-04-07 22:17 John H
7. 2013-04-07 23:08 Brad Morris
8. 2013-04-07 23:56 Marcel Tschudin
9. 2013-04-08 03:56 Paul Hirose
10. 2013-04-08 09:12 Marcel Tschudin
11. 2013-04-08 13:42 John H
12. 2013-04-08 19:55 Paul Hirose
13. 2013-04-08 20:23 Hewitt Schlereth
14. 2013-04-08 20:26 Brad Morris
15. 2013-04-08 20:40 Brad Morris
16. 2013-04-08 21:21 Marcel Tschudin
17. 2013-04-08 23:23 Brad Morris
18. 2013-04-09 02:59 Frank Reed
19. 2013-04-09 16:27 Brad Morris
20. 2013-04-11 16:50 Frank Reed
21. 2013-04-12 00:46 Brad Morris

12 Apr 2013 – 12 Apr 2013 : Smithsonian Exhibit Opens Today

1. 2013-04-12 12:31 Richard B. Langley
2. 2013-04-12 12:37 Richard B. Langley
3. 2013-04-12 17:12 Frank Reed

12 Apr 2013 – 12 Apr 2013 : Distance Measurement - Tape vs Google

1. 2013-04-12 00:00 Bruce J. Pennino
2. 2013-04-12 01:02 Brad Morris
3. 2013-04-12 03:21 Bruce J. Pennino
4. 2013-04-12 03:29 Brad Morris
5. 2013-04-12 06:14 Gary LaPook
6. 2013-04-12 17:36 Frank Reed

10 Apr 2013 – 13 Apr 2013 : Re: Dip-meter again

1. 2013-04-10 17:08 Bruce J. Pennino
2. 2013-04-10 17:32 Richard B. Langley
3. 2013-04-10 20:37 Bruce J. Pennino
4. 2013-04-11 00:28 Norm Goldblatt
5. 2013-04-12 17:49 Frank Reed
6. 2013-04-13 03:21 Bruce J. Pennino
7. 2013-04-13 08:46 Marcel Tschudin
8. 2013-04-13 09:44 Marcel Tschudin
9. 2013-04-13 13:55 Bruce J. Pennino

12 Apr 2013 – 13 Apr 2013 : DARPA develops non-GPS navigation chip

1. 2013-04-12 16:24 Robert Wyatt
2. 2013-04-12 16:36 Richard B. Langley
3. 2013-04-12 17:10 Frank Reed
4. 2013-04-12 18:52 Lu Abel
5. 2013-04-13 19:51 Richard B. Langley

13 Apr 2013 – 13 Apr 2013 : Titanic and Refraction

1. 2013-04-13 15:06 Bruce J. Pennino
2. 2013-04-13 15:53 John H
3. 2013-04-13 18:56 Frank Reed
4. 2013-04-13 22:27 Hewitt Schlereth

08 Apr 2013 – 14 Apr 2013 : Text wrapping issues

1. 2013-04-08 06:35 Bill B
2. 2013-04-08 08:06 Gary LaPook
3. 2013-04-08 13:05 Philip Lange
4. 2013-04-08 14:00 Richard B. Langley
5. 2013-04-08 14:56 Brad Morris
6. 2013-04-08 16:33 Hewitt Schlereth
7. 2013-04-08 17:00 Lu Abel
8. 2013-04-08 18:59 Frank Reed
9. 2013-04-08 19:03 Ken Gebhart
10. 2013-04-08 21:34 Philip Lange
11. 2013-04-08 21:58 Philip Lange
12. 2013-04-09 02:06 Frank Reed
13. 2013-04-09 03:07 Hewitt Schlereth
14. 2013-04-09 15:44 Frank Reed
15. 2013-04-09 17:10 Hewitt Schlereth
16. 2013-04-14 05:45 Geoffrey Kolbe
17. 2013-04-14 13:08 Hewitt Schlereth
18. 2013-04-14 18:24 Gary LaPook

14 Apr 2013 – 14 Apr 2013 : Wrapping

1. 2013-04-14 13:16 Hewitt Schlereth
2. 2013-04-14 17:11 Frank Reed
3. 2013-04-14 17:30 Hewitt Schlereth
4. 2013-04-14 18:26 Gary LaPook
5. 2013-04-14 18:27 Gary LaPook

14 Apr 2013 – 14 Apr 2013 : Moon-Jupiter lunar

1. 2013-04-14 19:13 Frank Reed

02 Apr 2013 – 15 Apr 2013 : The Human Art of Way Finding

1. 2013-04-02 06:31 Gary LaPook
2. 2013-04-02 15:31 Greg Rudzinski
3. 2013-04-02 16:08 Örjan Sandström
4. 2013-04-02 16:18 Frank Reed
5. 2013-04-02 16:49 Örjan Sandström
6. 2013-04-02 19:05 John H
7. 2013-04-02 19:09 Richard B. Langley
8. 2013-04-03 21:36 Frank Reed
9. 2013-04-03 23:39 John H
10. 2013-04-15 20:07 Frank Reed

16 Apr 2013 – 16 Apr 2013 : Celestial Navigation 19th century class

1. 2013-04-16 02:34 Frank Reed

17 Apr 2013 – 17 Apr 2013 : Re: buying a Mark IX A bubble sextant

1. 2013-04-17 03:35 Ben H

17 Apr 2013 – 17 Apr 2013 : Re: Nautical Almanac 2013

1. 2013-04-17 06:00 Andrés Ruiz

16 Apr 2013 – 17 Apr 2013 : Loss of Message Traffic Since 3/13

1. 2013-04-16 11:06 W F Jones
2. 2013-04-16 13:01 Frank Reed
3. 2013-04-17 11:50 W F Jones

12 Apr 2013 – 17 Apr 2013 : A simple question, I hope

1. 2013-04-12 02:17 Stan K
2. 2013-04-17 18:15 Hewitt Schlereth

18 Apr 2013 – 18 Apr 2013 : Using a Mark V aviation/nautical sextant

1. 2013-04-18 00:40 Dale Lichtblau

15 Apr 2013 – 19 Apr 2013 : Group Project: USCG student sample problems

1. 2013-04-15 19:56 Frank Reed
2. 2013-04-15 21:56 Greg Rudzinski
3. 2013-04-15 22:20 Greg Rudzinski
4. 2013-04-15 23:24 James F. Campbell
5. 2013-04-16 00:22 Hewitt Schlereth
6. 2013-04-16 01:39 Greg Rudzinski
7. 2013-04-16 02:47 Hewitt Schlereth
8. 2013-04-16 15:39 Jeremy C
9. 2013-04-16 18:16 Frank Reed
10. 2013-04-16 19:22 Jeremy C
11. 2013-04-16 19:50 Greg Rudzinski
12. 2013-04-16 20:33 William Hawes
13. 2013-04-16 22:30 Byron Franklin
14. 2013-04-16 23:19 Lu Abel
15. 2013-04-17 01:04 Peter Hakel
16. 2013-04-17 08:06 Örjan Sandström
17. 2013-04-17 13:20 Andrés Ruiz
18. 2013-04-17 16:03 Hanno Ix
19. 2013-04-17 22:28 Byron Franklin
20. 2013-04-18 00:40 Greg Rudzinski
21. 2013-04-18 06:30 Antoine Couëtte
22. 2013-04-18 15:15 Greg Rudzinski
23. 2013-04-18 17:56 Antoine Couëtte
24. 2013-04-19 00:55 Peter Hakel
25. 2013-04-19 08:43 Antoine Couëtte

18 Apr 2013 – 19 Apr 2013 : Error in H.O. 229 Introduction/Explanation?

1. 2013-04-18 17:11 Sean C
2. 2013-04-18 17:39 Frank Reed
3. 2013-04-18 18:30 Greg Rudzinski
4. 2013-04-18 18:54 Greg Rudzinski
5. 2013-04-19 15:53 Sean C

19 Apr 2013 – 20 Apr 2013 : USCG Sample Problem #2 for Southern Hemisphere

1. 2013-04-19 00:17 Greg Rudzinski
2. 2013-04-19 11:49 Antoine Couëtte
3. 2013-04-19 15:28 Greg Rudzinski
4. 2013-04-20 00:24 Peter Hakel
5. 2013-04-20 10:11 Yves Robin-Jouan
6. 2013-04-20 11:03 Yves Robin-Jouan

11 Apr 2013 – 21 Apr 2013 : Best glue for shade glasses

1. 2013-04-11 05:43 Herbert Prinz
2. 2013-04-11 15:10 Greg Rudzinski
3. 2013-04-12 00:32 Bill Morris
4. 2013-04-12 01:15 Brad Morris
5. 2013-04-16 19:44 Randall Morrow
6. 2013-04-18 05:03 Geoffrey Kolbe
7. 2013-04-21 00:20 Herbert Prinz

19 Apr 2013 – 21 Apr 2013 : Horizon refraction: photos of changes

1. 2013-04-19 16:07 Frank Reed
2. 2013-04-19 21:19 Marcel Tschudin
3. 2013-04-20 03:16 Frank Reed
4. 2013-04-20 09:25 Marcel Tschudin
5. 2013-04-20 23:12 Herbert Prinz
6. 2013-04-21 10:10 Marcel Tschudin

21 Apr 2013 – 22 Apr 2013 : Dip: Astronomical Almanac vs. Nautical Almanac

1. 2013-04-21 21:48 Marcel Tschudin
2. 2013-04-21 23:13 Brad Morris
3. 2013-04-22 00:12 Marcel Tschudin
4. 2013-04-22 01:29 Brad Morris

21 Apr 2013 – 22 Apr 2013 : Re: almanac SHA

1. 2013-04-21 18:15 Paul Hirose
2. 2013-04-22 03:20 Paul Hirose

21 Apr 2013 – 22 Apr 2013 : USCG Student Sample Problem #3 for East Longitude

1. 2013-04-21 01:35 Greg Rudzinski
2. 2013-04-21 17:55 Yves Robin-Jouan
3. 2013-04-22 01:01 Peter Hakel
4. 2013-04-22 14:58 Yves Robin-Jouan

22 Apr 2013 – 22 Apr 2013 : ".PDF" vs. ".JPG" , ".JPEG" and other electronic formats

1. 2013-04-22 06:59 Antoine Couëtte
2. 2013-04-22 15:01 Lu Abel
3. 2013-04-22 15:26 Marcel Tschudin

19 Apr 2013 – 22 Apr 2013 : Dip and the refractive invariant

1. 2013-04-19 21:50 Paul Hirose
2. 2013-04-20 00:21 Bruce J. Pennino
3. 2013-04-20 07:13 Antoine Couëtte
4. 2013-04-20 10:45 Marcel Tschudin
5. 2013-04-22 19:16 Paul Hirose
6. 2013-04-22 20:05 Marcel Tschudin

22 Apr 2013 – 22 Apr 2013 : ADMIN: attachments: pdf vs jpg and others

1. 2013-04-22 19:05 Frank Reed
2. 2013-04-22 21:42 Alejandro Purgue

22 Apr 2013 – 23 Apr 2013 : I SAY AGAIN -- Re: ADMIN: attachments: pdf vs jpg and others

1. 2013-04-22 20:53 Antoine Couëtte
2. 2013-04-23 17:26 Don Seltzer
3. 2013-04-23 22:10 Alan S

23 Apr 2013 – 24 Apr 2013 : Re: I SAY AGAIN -- Re: ADMIN: attachments: pdf vs jpgand others

1. 2013-04-23 23:14 Brad Morris
2. 2013-04-23 23:36 Alan S
3. 2013-04-24 01:31 Frank Reed

24 Apr 2013 – 24 Apr 2013 : NASA's Cosmic Beacon

1. 2013-04-24 01:20 Peter Hakel
2. 2013-04-24 02:01 Frank Reed

22 Apr 2013 – 24 Apr 2013 : Lunar distance sights

1. 2013-04-22 17:42 Randall Morrow
2. 2013-04-22 19:20 Frank Reed
3. 2013-04-22 21:54 Alexandre Eremenko
4. 2013-04-23 04:18 Greg Rudzinski
5. 2013-04-23 14:55 Randall Morrow
6. 2013-04-23 15:45 Greg Rudzinski
7. 2013-04-24 02:05 Frank Reed

21 Apr 2013 – 24 Apr 2013 : Correction: Error in H.O. 229 Introduction/Explanation?

1. 2013-04-21 15:02 Sean C
2. 2013-04-24 20:29 Sean C
3. 2013-04-24 22:01 Frank Reed

25 Apr 2013 – 25 Apr 2013 : Telescope Collimation

1. 2013-04-25 09:25 Brad Morris
2. 2013-04-25 14:23 Bill Morris
3. 2013-04-25 15:52 Greg Rudzinski

21 Apr 2013 – 26 Apr 2013 : USCG Student Sample Problems #1, #2 and #3

1. 2013-04-21 20:04 Antoine Couëtte
2. 2013-04-23 16:21 Greg Rudzinski
3. 2013-04-23 19:47 Greg Rudzinski
4. 2013-04-25 17:17 Antoine Couëtte
5. 2013-04-25 20:38 Antoine Couëtte
6. 2013-04-26 01:15 Peter Hakel
7. 2013-04-26 05:45 Antoine Couëtte

26 Apr 2013 – 26 Apr 2013 : Printing time and ink: pdf vs jpg

1. 2013-04-26 09:03 Antoine Couëtte
2. 2013-04-26 19:08 Bill B
3. 2013-04-26 20:28 Bill B

24 Apr 2013 – 27 Apr 2013 : USCG Student Example for Low Altitude

1. 2013-04-24 20:05 Greg Rudzinski
2. 2013-04-24 21:09 Greg Rudzinski
3. 2013-04-26 06:26 Antoine Couëtte
4. 2013-04-26 08:04 Marcel Tschudin
5. 2013-04-26 14:19 Greg Rudzinski
6. 2013-04-27 17:54 Antoine Couëtte
7. 2013-04-27 18:38 Marcel Tschudin
8. 2013-04-27 19:49 Antoine Couëtte
9. 2013-04-27 20:34 Marcel Tschudin

28 Apr 2013 – 28 Apr 2013 : Low Alt Refraction Re: USCG Student Example for Low Altitude

1. 2013-04-28 13:21 Antoine Couëtte

28 Apr 2013 – 29 Apr 2013 : Re: Low Alt Refraction

1. 2013-04-28 23:49 Paul Hirose
2. 2013-04-29 12:03 Marcel Tschudin
3. 2013-04-29 13:23 Antoine Couëtte

29 Apr 2013 – 29 Apr 2013 : Completed Pub 229 Sight Reduction Form for USCG Student Example Problem #4

1. 2013-04-29 23:14 Greg Rudzinski

24 Apr 2013 – 01 May 2013 : USCG Student Sample Problem #4

1. 2013-04-24 16:06 Greg Rudzinski
2. 2013-04-26 07:51 Antoine Couëtte
3. 2013-04-26 14:29 Yves Robin-Jouan
4. 2013-04-26 14:33 Greg Rudzinski
5. 2013-04-27 19:15 Antoine Couëtte
6. 2013-04-27 22:08 Peter Hakel
7. 2013-04-27 23:24 Peter Hakel
8. 2013-04-27 23:34 Greg Rudzinski
9. 2013-04-28 05:01 Peter Hakel
10. 2013-04-28 11:05 Antoine Couëtte
11. 2013-04-29 08:39 Yves Robin-Jouan
12. 2013-04-29 13:37 Antoine Couëtte
13. 2013-05-01 12:50 Yves Robin-Jouan

01 May 2013 – 01 May 2013 : USNO Navigation Symposium?

1. 2013-05-01 17:59 Richard B. Langley

06 Apr 2013 – 01 May 2013 : Satellite positions

1. 2013-04-06 18:47 Bill B
2. 2013-04-06 19:00 Richard B. Langley
3. 2013-04-06 19:01 Frank Reed
4. 2013-04-06 19:03 Brad Morris
5. 2013-04-07 02:15 Sean C
6. 2013-05-01 18:11 Bill B
7. 2013-05-01 18:59 Frank Reed

12 Apr 2013 – 02 May 2013 : Re: A simple question, I hope, on almanac SHA

1. 2013-04-12 17:27 Frank Reed
2. 2013-04-13 00:42 Stan K
3. 2013-04-13 08:54 Stan K
4. 2013-04-21 08:03 Herbert Prinz
5. 2013-04-22 13:11 Stan K
6. 2013-05-02 01:06 Stan K

21 Apr 2013 – 02 May 2013 : Moonrise video

1. 2013-04-21 01:26 Norm Goldblatt
2. 2013-04-21 03:26 Frank Reed
3. 2013-04-21 05:24 Gary LaPook
4. 2013-04-21 05:32 Norm Goldblatt
5. 2013-04-21 05:45 Frank Reed
6. 2013-04-21 12:11 Marcel Tschudin
7. 2013-04-21 22:27 h.a.c. van Asten
8. 2013-04-22 00:34 Norm Goldblatt
9. 2013-04-23 00:10 Jeremy C
10. 2013-04-23 00:18 Jeremy C
11. 2013-04-24 08:15 Gary LaPook
12. 2013-04-24 16:36 Frank Reed
13. 2013-04-24 18:50 Marcel Tschudin
14. 2013-04-24 19:01 Frank Reed
15. 2013-04-24 19:32 Brad Morris
16. 2013-04-24 22:20 Frank Reed
17. 2013-04-25 05:25 Gary LaPook
18. 2013-04-25 19:37 Jeremy C
19. 2013-04-25 20:40 Brad Morris
20. 2013-04-26 13:45 Jeremy C
21. 2013-04-28 13:18 h.a.c. van Asten
22. 2013-04-29 01:31 Greg Rudzinski
23. 2013-04-29 07:08 Gary LaPook
24. 2013-04-29 07:15 Gary LaPook
25. 2013-04-30 12:57 h.a.c. van Asten
26. 2013-04-30 13:38 Greg Rudzinski
27. 2013-04-30 15:17 Gary LaPook
28. 2013-04-30 15:47 Gary LaPook
29. 2013-04-30 15:54 Brad Morris
30. 2013-04-30 17:35 h.a.c. van Asten
31. 2013-04-30 18:49 Gary LaPook
32. 2013-04-30 20:28 Brad Morris
33. 2013-04-30 20:30 h.a.c. van Asten
34. 2013-04-30 21:09 Gary LaPook
35. 2013-04-30 21:18 Gary LaPook
36. 2013-04-30 21:52 Greg Rudzinski
37. 2013-04-30 23:22 h.a.c. van Asten
38. 2013-04-30 23:36 Greg Rudzinski
39. 2013-05-01 00:05 h.a.c. van Asten
40. 2013-05-01 00:19 Greg Rudzinski
41. 2013-05-01 02:53 Gary LaPook
42. 2013-05-01 02:59 Gary LaPook
43. 2013-05-01 03:38 Greg Rudzinski
44. 2013-05-01 03:53 Greg Rudzinski
45. 2013-05-01 05:46 Gary LaPook
46. 2013-05-01 05:49 Gary LaPook
47. 2013-05-01 06:00 Gary LaPook
48. 2013-05-01 18:33 Bill B
49. 2013-05-01 20:59 Greg Rudzinski
50. 2013-05-02 06:34 Gary LaPook
51. 2013-05-02 06:37 Gary LaPook

02 May 2013 – 02 May 2013 : Online forums - general commentary

1. 2013-05-02 13:53 John H

11 Apr 2013 – 02 May 2013 : Smithsonian Time and Navigation Exhibit Opens Friday

1. 2013-04-11 13:49 Richard B. Langley
2. 2013-05-02 15:10 G Becker

03 May 2013 – 03 May 2013 : The Complete Celestial Solution Using HO 229

1. 2013-05-03 00:22 Brad Morris
2. 2013-05-03 00:43 Hewitt Schlereth
3. 2013-05-03 00:49 Greg Rudzinski
4. 2013-05-03 01:25 Brad Morris
5. 2013-05-03 01:41 Greg Rudzinski
6. 2013-05-03 02:06 Hewitt Schlereth

02 May 2013 – 03 May 2013 : Fwd: Indistinct Horizon

1. 2013-05-02 04:56 Richard B. Langley
2. 2013-05-02 10:34 Marcel Tschudin
3. 2013-05-02 12:45 Jeremy C
4. 2013-05-02 17:48 Frank Reed
5. 2013-05-02 18:32 Marcel Tschudin
6. 2013-05-03 13:23 Jeremy C

01 May 2013 – 03 May 2013 : Mr. van Asten

1. 2013-05-01 06:32 Gary LaPook
2. 2013-05-01 08:56 h.a.c. van Asten
3. 2013-05-01 15:56 Brad Morris
4. 2013-05-01 17:35 h.a.c. van Asten
5. 2013-05-01 17:39 Brad Morris
6. 2013-05-02 04:20 Gary LaPook
7. 2013-05-02 04:30 Greg R_
8. 2013-05-02 05:04 Gary LaPook
9. 2013-05-02 05:25 Greg R_
10. 2013-05-02 05:45 Gary LaPook
11. 2013-05-02 06:01 Greg R_
12. 2013-05-02 06:27 Gary LaPook
13. 2013-05-02 06:29 Gary LaPook
14. 2013-05-03 07:27 Gary LaPook
15. 2013-05-03 07:32 Gary LaPook
16. 2013-05-03 07:35 Gary LaPook
17. 2013-05-03 15:24 John H
18. 2013-05-03 15:41 Frank Reed
19. 2013-05-03 18:37 Bill B
20. 2013-05-03 19:01 Brad Morris

25 Apr 2013 – 03 May 2013 : USCG Student Pub 229 Sight Reduction Form

1. 2013-04-25 18:09 Greg Rudzinski
2. 2013-04-26 19:30 Greg Rudzinski
3. 2013-04-30 00:16 Greg Rudzinski
4. 2013-04-30 00:34 Brad Morris
5. 2013-05-01 22:39 Greg Rudzinski
6. 2013-05-02 00:01 Mike Burkes
7. 2013-05-02 04:01 Gary LaPook
8. 2013-05-02 06:25 Herbert Prinz
9. 2013-05-03 19:08 Bill B

30 Apr 2013 – 04 May 2013 : Cugle - longitude at sunrise and sunset

1. 2013-04-30 19:51 Dave Walden
2. 2013-04-30 20:00 Dave Walden
3. 2013-04-30 20:33 Gary LaPook
4. 2013-04-30 21:04 h.a.c. van Asten
5. 2013-04-30 21:15 h.a.c. van Asten
6. 2013-04-30 21:21 Gary LaPook
7. 2013-04-30 22:25 h.a.c. van Asten
8. 2013-04-30 22:51 Brad Morris
9. 2013-04-30 23:04 h.a.c. van Asten
10. 2013-04-30 23:27 Brad Morris
11. 2013-04-30 23:50 h.a.c. van Asten
12. 2013-05-01 00:20 Brad Morris
13. 2013-05-01 02:50 Gary LaPook
14. 2013-05-01 05:32 Gary LaPook
15. 2013-05-01 06:17 Gary LaPook
16. 2013-05-02 08:27 Gary LaPook
17. 2013-05-02 09:32 Gary LaPook
18. 2013-05-02 09:39 Gary LaPook
19. 2013-05-02 10:11 Gary LaPook
20. 2013-05-02 13:03 Brad Morris
21. 2013-05-02 13:28 h.a.c. van Asten
22. 2013-05-02 13:52 Brad Morris
23. 2013-05-02 14:44 h.a.c. van Asten
24. 2013-05-02 15:56 Brad Morris
25. 2013-05-02 18:09 h.a.c. van Asten
26. 2013-05-02 18:21 Brad Morris
27. 2013-05-02 20:02 h.a.c. van Asten
28. 2013-05-03 06:21 Gary LaPook
29. 2013-05-03 08:11 Gary LaPook
30. 2013-05-03 13:09 Jeremy C
31. 2013-05-03 15:00 h.a.c. van Asten
32. 2013-05-03 19:07 Brad Morris
33. 2013-05-04 02:00 Gary LaPook

03 May 2013 – 04 May 2013 : ADMIN: some community commentary

1. 2013-05-03 19:06 Frank Reed
2. 2013-05-03 21:57 Greg R_
3. 2013-05-03 22:12 Brad Morris
4. 2013-05-03 23:40 Dave Walden
5. 2013-05-04 02:22 Greg R_

03 May 2013 – 04 May 2013 : Sun lines was Moonrise video

1. 2013-05-03 20:04 Bill B
2. 2013-05-03 21:37 Bill B
3. 2013-05-03 22:28 Greg Rudzinski
4. 2013-05-03 23:15 Brad Morris
5. 2013-05-04 00:49 Greg Rudzinski
6. 2013-05-04 01:35 Gary LaPook
7. 2013-05-04 03:07 Gary LaPook

01 May 2013 – 04 May 2013 : New thoughts about the Viking sun compass

1. 2013-05-01 06:27 Geoffrey Kolbe
2. 2013-05-02 16:38 Frank Reed
3. 2013-05-04 13:51 Wolfgang Köberer
4. 2013-05-04 15:43 Geoffrey Kolbe

04 May 2013 – 05 May 2013 : Re: Precomputation- was Sun lines was Moonrise video

1. 2013-05-04 09:22 Gary LaPook
2. 2013-05-04 17:26 Greg Rudzinski
3. 2013-05-04 18:23 Greg Rudzinski
4. 2013-05-04 22:32 Gary LaPook
5. 2013-05-05 05:46 Gary LaPook
6. 2013-05-05 06:48 Gary LaPook
7. 2013-05-05 08:37 Gary LaPook

04 May 2013 – 06 May 2013 : Refracted semidiameter (Chauvenet wrong)

1. 2013-05-04 23:02 Paul Hirose
2. 2013-05-05 00:36 Dave Walden
3. 2013-05-05 17:51 Frank Reed
4. 2013-05-06 05:22 Paul Hirose

05 May 2013 – 06 May 2013 : Scripps Pier, La Jolla, California

1. 2013-05-05 16:26 Dave Walden
2. 2013-05-05 18:38 Greg Rudzinski
3. 2013-05-05 18:39 Gary LaPook
4. 2013-05-05 18:59 Gary LaPook
5. 2013-05-05 19:48 Greg Rudzinski
6. 2013-05-05 20:01 Frank Reed
7. 2013-05-05 20:05 Gary LaPook
8. 2013-05-05 20:33 Gary LaPook
9. 2013-05-05 21:17 Greg Rudzinski
10. 2013-05-05 22:13 Greg Rudzinski
11. 2013-05-06 15:19 Greg Rudzinski

06 May 2013 – 06 May 2013 : Class in LUNARS: July 13-14 at Mystic Seaport

1. 2013-05-06 16:52 Frank Reed

06 May 2013 – 06 May 2013 : Accurate compass.

1. 2013-05-06 23:58 Byron Franklin

07 May 2013 – 07 May 2013 : Air & Space Museum -- Time and Navigation -- Kaster Spherant

1. 2013-05-07 00:39 Dave Walden

06 May 2013 – 07 May 2013 : Mr. van Asten's method of measuring sunset with a bubble sextant

1. 2013-05-06 23:31 Gary LaPook
2. 2013-05-06 23:47 Gary LaPook
3. 2013-05-07 01:18 Greg Rudzinski

02 May 2013 – 07 May 2013 : Polaris correction tables

1. 2013-05-02 17:21 Frank Reed
2. 2013-05-05 06:35 Gary LaPook
3. 2013-05-05 07:33 Gary LaPook
4. 2013-05-05 21:11 Frank Reed
5. 2013-05-07 07:59 Gary LaPook
6. 2013-05-07 08:57 Andrés Ruiz

07 May 2013 – 07 May 2013 : ALMANAQUE NÁUTICO 2013 -- Spanish Nautical Almanac ONLINE

1. 2013-05-07 12:43 Dave Walden
2. 2013-05-07 12:55 Dave Walden
3. 2013-05-07 13:15 Andrés Ruiz

07 May 2013 – 07 May 2013 : Calculating sun squish

1. 2013-05-07 19:18 Bill B

08 May 2013 – 08 May 2013 : Cargo Ship smashes into Harbor Tower

1. 2013-05-08 03:44 Brad Morris

06 May 2013 – 08 May 2013 : Open sight tubes

1. 2013-05-06 22:35 Randall Morrow
2. 2013-05-07 17:52 Greg Rudzinski
3. 2013-05-08 14:29 Randall Morrow
4. 2013-05-08 14:56 Greg Rudzinski

08 May 2013 – 08 May 2013 : Sunrise - the positive side

1. 2013-05-08 03:05 Henry Halboth
2. 2013-05-08 15:25 Jeremy C

08 May 2013 – 08 May 2013 : Compass Error

1. 2013-05-08 17:06 Byron Franklin
2. 2013-05-08 17:56 Örjan Sandström
3. 2013-05-08 19:29 Greg Rudzinski
4. 2013-05-08 20:04 Örjan Sandström

07 May 2013 – 09 May 2013 : Site reduction assisted by spreadsheet?

1. 2013-05-07 10:55 Samuel L
2. 2013-05-07 19:10 Randall Morrow
3. 2013-05-07 19:34 Greg Rudzinski
4. 2013-05-07 23:47 Bruce J. Pennino
5. 2013-05-08 00:38 Dave Walden
6. 2013-05-08 01:30 Peter Hakel
7. 2013-05-08 01:37 Peter Hakel
8. 2013-05-08 02:10 John Karl
9. 2013-05-08 02:10 Peter Hakel
10. 2013-05-08 02:15 Peter Hakel
11. 2013-05-09 01:30 Samuel L
12. 2013-05-09 01:37 Samuel L
13. 2013-05-09 01:51 Samuel L

09 May 2013 – 09 May 2013 : Wanted- Astra III Marine Sextant?

1. 2013-05-09 01:59 Samuel L
2. 2013-05-09 14:55 Randall Morrow

03 May 2013 – 10 May 2013 : My ultimate artificial horizon rig

1. 2013-05-03 22:24 Randall Morrow
2. 2013-05-06 15:05 Randall Morrow
3. 2013-05-06 16:31 Brad Morris
4. 2013-05-06 19:08 Randall Morrow
5. 2013-05-06 19:12 Brad Morris
6. 2013-05-06 21:08 Frank Reed
7. 2013-05-06 21:42 Randall Morrow
8. 2013-05-07 00:27 Brad Morris
9. 2013-05-07 14:16 Randall Morrow
10. 2013-05-07 16:17 Randall Morrow
11. 2013-05-07 19:14 Brad Morris
12. 2013-05-07 22:32 Randall Morrow
13. 2013-05-07 22:51 Brad Morris
14. 2013-05-09 20:26 Norm Goldblatt
15. 2013-05-10 19:38 Randall Morrow

09 May 2013 – 10 May 2013 : Henning Umland's programs?

1. 2013-05-09 01:53 Samuel L
2. 2013-05-09 02:21 Greg Rudzinski
3. 2013-05-09 05:58 Örjan Sandström
4. 2013-05-09 06:42 Andrés Ruiz
5. 2013-05-09 11:31 Samuel L
6. 2013-05-09 12:04 Sean C
7. 2013-05-09 12:13 Sean C
8. 2013-05-09 12:20 Sean C
9. 2013-05-09 12:30 Samuel L
10. 2013-05-09 13:12 Peter Hakel
11. 2013-05-09 16:45 Greg Rudzinski
12. 2013-05-10 02:32 Samuel L
13. 2013-05-10 03:01 Greg Rudzinski
14. 2013-05-10 21:47 Hanno Ix

10 May 2013 – 11 May 2013 : Admiral Byrd and the North Pole

1. 2013-05-10 04:24 Paul Dolkas
2. 2013-05-10 15:50 Greg Rudzinski
3. 2013-05-10 16:55 Hewitt Schlereth
4. 2013-05-10 17:11 Norm Goldblatt
5. 2013-05-10 17:15 Brad Morris
6. 2013-05-10 17:35 Greg Rudzinski
7. 2013-05-10 17:35 Hewitt Schlereth
8. 2013-05-10 18:43 Hewitt Schlereth
9. 2013-05-10 19:41 Frank Reed
10. 2013-05-10 21:31 Hewitt Schlereth
11. 2013-05-10 21:51 Brad Morris
12. 2013-05-10 23:30 Frank Reed
13. 2013-05-10 23:38 Frank Reed
14. 2013-05-11 01:03 Robert Eno
15. 2013-05-11 01:39 Hewitt Schlereth
16. 2013-05-11 07:34 Gary LaPook

04 May 2013 – 11 May 2013 : Sunrise - the Positive Side

1. 2013-05-04 00:45 William Hawes
2. 2013-05-04 08:31 h.a.c. van Asten
3. 2013-05-04 17:59 William Hawes
4. 2013-05-04 18:23 Frank Reed
5. 2013-05-04 19:31 Bill B
6. 2013-05-04 19:35 Bill B
7. 2013-05-04 20:26 William Hawes
8. 2013-05-05 00:32 Byron Franklin
9. 2013-05-05 00:37 Byron Franklin
10. 2013-05-05 20:47 Frank Reed
11. 2013-05-05 21:51 Frank Reed
12. 2013-05-05 23:08 Gary LaPook
13. 2013-05-05 23:36 h.a.c. van Asten
14. 2013-05-06 03:15 Jeremy C
15. 2013-05-06 09:02 h.a.c. van Asten
16. 2013-05-06 14:00 Don Seltzer
17. 2013-05-06 16:07 Frank Reed
18. 2013-05-06 16:17 Byron Franklin
19. 2013-05-06 16:26 Frank Reed
20. 2013-05-06 16:33 Frank Reed
21. 2013-05-06 17:07 Gary LaPook
22. 2013-05-06 19:10 William Hawes
23. 2013-05-06 21:04 Frank Reed
24. 2013-05-06 21:07 John H
25. 2013-05-06 23:23 Gary LaPook
26. 2013-05-06 23:42 Bill B
27. 2013-05-07 00:08 Gary LaPook
28. 2013-05-07 00:13 John H
29. 2013-05-07 00:17 Bill B
30. 2013-05-07 18:13 Jeremy C
31. 2013-05-07 18:52 Bill B
32. 2013-05-08 12:42 John H
33. 2013-05-08 14:13 Greg Rudzinski
34. 2013-05-11 19:30 Bill B
35. 2013-05-11 21:10 John H
36. 2013-05-11 22:49 Frank Reed

11 May 2013 – 11 May 2013 : Sextants in space ;-)

1. 2013-05-11 16:51 Peter Hakel
2. 2013-05-11 17:22 Luc Van den Borre
3. 2013-05-11 23:17 Frank Reed

11 May 2013 – 11 May 2013 : NavigationTraining

1. 2013-05-11 23:59 Peter Hakel

12 May 2013 – 12 May 2013 : Early Colour Footage of the Royal Greenwich Observatory (now RoyalObservatory Greenwich)

1. 2013-05-12 17:41 Richard B. Langley

12 May 2013 – 12 May 2013 : Re: Early Colour Footage of the Royal Greenwich Observatory(now RoyalObservatory Greenwich)

1. 2013-05-12 18:19 Brad Morris
2. 2013-05-12 19:56 Bill B

12 May 2013 – 12 May 2013 : Re: Early Colour Footage of the Royal GreenwichObservatory(now RoyalObservatory Greenwich)

1. 2013-05-12 20:08 Richard B. Langley

13 May 2013 – 13 May 2013 : Re: Request for beta testers [*PSA*]

1. 2013-05-13 04:43 Sean C
2. 2013-05-13 13:48 Stan K
3. 2013-05-13 13:59 Marcel Tschudin

12 May 2013 – 13 May 2013 : Request for beta testers

1. 2013-05-12 15:16 Stan K
2. 2013-05-12 19:23 Antoine Couëtte
3. 2013-05-12 21:12 Stan K
4. 2013-05-12 21:53 Hewitt Schlereth
5. 2013-05-12 23:50 Sean C
6. 2013-05-13 00:35 Stan K
7. 2013-05-13 02:00 Hewitt Schlereth
8. 2013-05-13 06:27 Frank Reed
9. 2013-05-13 08:49 Sean C
10. 2013-05-13 11:55 Richard B. Langley
11. 2013-05-13 13:23 Dave Walden
12. 2013-05-13 14:08 Stan K
13. 2013-05-13 14:31 Stan K
14. 2013-05-13 14:44 Philip Lange
15. 2013-05-13 14:47 Stan K
16. 2013-05-13 15:02 Frank Reed
17. 2013-05-13 15:05 Mike Cino
18. 2013-05-13 15:07 Hewitt Schlereth
19. 2013-05-13 15:11 Örjan Sandström
20. 2013-05-13 15:57 Sean C

13 May 2013 – 13 May 2013 : Music in space

1. 2013-05-13 17:23 Frank Reed

13 May 2013 – 13 May 2013 : Celestial Tools V4.0.0 Beta?

1. 2013-05-13 18:33 Stan K
2. 2013-05-13 19:58 Dave Walden

14 May 2013 – 14 May 2013 : Paper charts and Loran TD lines

1. 2013-05-14 19:44 Bill B
2. 2013-05-14 20:30 Richard B. Langley

15 May 2013 – 15 May 2013 : Polhemus computers available now on ebay

1. 2013-05-15 03:19 Gary LaPook

13 May 2013 – 15 May 2013 : Using glasses when taking sights

1. 2013-05-13 16:12 Randall Morrow
2. 2013-05-13 16:26 Frank Reed
3. 2013-05-13 18:43 Lu Abel
4. 2013-05-13 18:58 Frank Reed
5. 2013-05-13 19:59 Greg Rudzinski
6. 2013-05-13 21:51 Norm Goldblatt
7. 2013-05-15 08:32 Andrés Ruiz

14 May 2013 – 15 May 2013 : With your help Lunars are getting better

1. 2013-05-14 17:04 Randall Morrow
2. 2013-05-14 17:11 Antoine Couëtte
3. 2013-05-14 17:52 Frank Reed
4. 2013-05-14 18:48 Greg Rudzinski
5. 2013-05-15 14:48 Randall Morrow
6. 2013-05-15 15:43 Greg Rudzinski

13 May 2013 – 15 May 2013 : Elevation Chart (iPad/iPhone App)

1. 2013-05-13 18:49 Hewitt Schlereth
2. 2013-05-14 21:27 Lu Abel
3. 2013-05-15 02:24 Hewitt Schlereth
4. 2013-05-15 20:57 Frank Reed
5. 2013-05-15 21:32 Hewitt Schlereth
6. 2013-05-15 22:08 Richard B. Langley

16 May 2013 – 16 May 2013 : AN5854-1 bubble octant

1. 2013-05-16 02:34 Steve Schoner

14 May 2013 – 16 May 2013 : Celestial Tools V4.0.0 Beta5

1. 2013-05-14 11:13 Stan K
2. 2013-05-14 12:15 Andrés Ruiz
3. 2013-05-15 02:47 Dave Walden
4. 2013-05-15 13:50 Stan K
5. 2013-05-15 21:14 Frank Reed
6. 2013-05-16 17:00 William Hawes

15 May 2013 – 16 May 2013 : Milestone of 4000 observations made

1. 2013-05-15 19:39 Randall Morrow
2. 2013-05-15 19:52 Greg Rudzinski
3. 2013-05-15 21:40 Hewitt Schlereth
4. 2013-05-15 23:41 Bruce J. Pennino
5. 2013-05-16 17:44 Randall Morrow

16 May 2013 – 16 May 2013 : Celestial Tools 4.0.0

1. 2013-05-16 20:41 Hewitt Schlereth

16 May 2013 – 16 May 2013 : Zonnesteen - Sunstone - Solarstein.

1. 2013-05-16 09:44 Guus Dekker
2. 2013-05-16 13:42 John H
3. 2013-05-16 21:44 Frank Reed

16 May 2013 – 17 May 2013 : Sun position and shadow animation

1. 2013-05-16 23:01 Frank Reed
2. 2013-05-17 00:40 Greg Rudzinski
3. 2013-05-17 01:21 Norm Goldblatt
4. 2013-05-17 12:11 Richard B. Langley
5. 2013-05-17 12:23 Sean C

16 May 2013 – 19 May 2013 : Open letter for NavList crew on the "preservation" of celestial navigation

1. 2013-05-16 23:35 Randall Morrow
2. 2013-05-17 12:33 Sean C
3. 2013-05-17 15:43 Byron Franklin
4. 2013-05-18 19:47 Frank Reed
5. 2013-05-18 20:25 Frank Reed
6. 2013-05-18 20:47 Mike Cino
7. 2013-05-19 04:18 Sean C

19 May 2013 – 19 May 2013 : Let Us Do It.

1. 2013-05-19 16:27 Byron Franklin

19 May 2013 – 20 May 2013 : An equal altitude puzzle

1. 2013-05-19 01:40 Frank Reed
2. 2013-05-19 03:00 David Fleming
3. 2013-05-19 03:19 Peter Hakel
4. 2013-05-19 03:25 David Fleming
5. 2013-05-19 04:49 Greg Rudzinski
6. 2013-05-19 20:11 Peter Hakel
7. 2013-05-19 22:53 David Fleming
8. 2013-05-19 23:07 Frank Reed
9. 2013-05-20 01:36 Greg Rudzinski
10. 2013-05-20 02:39 David Fleming
11. 2013-05-20 17:40 Frank Reed

21 May 2013 – 21 May 2013 : CG possible teach plan.

1. 2013-05-21 14:58 Byron Franklin
2. 2013-05-21 15:38 Greg Rudzinski

19 May 2013 – 21 May 2013 : Development of celestial navigation by the ancient Maya

1. 2013-05-19 19:34 G Becker
2. 2013-05-19 19:49 Frank Reed
3. 2013-05-19 20:00 G Becker
4. 2013-05-20 19:04 Frank Reed
5. 2013-05-21 16:16 G Becker

16 May 2013 – 21 May 2013 : ADMIN: at signs, degrees, and text colors

1. 2013-05-16 18:49 Frank Reed
2. 2013-05-20 20:25 Bill B
3. 2013-05-20 21:30 Sean C
4. 2013-05-21 00:05 Bill B
5. 2013-05-21 00:19 Hewitt Schlereth
6. 2013-05-21 19:32 Bill B

22 May 2013 – 22 May 2013 : Degree symbol- addendum

1. 2013-05-22 02:04 Norm Goldblatt

20 May 2013 – 22 May 2013 : Gyro Error.

1. 2013-05-20 15:41 Byron Franklin
2. 2013-05-20 17:33 Sean C
3. 2013-05-20 17:59 Frank Reed
4. 2013-05-20 18:53 Geoffrey Kolbe
5. 2013-05-20 19:13 Greg Rudzinski
6. 2013-05-20 20:18 Frank Reed
7. 2013-05-20 22:33 Greg Rudzinski
8. 2013-05-21 19:16 Bill B
9. 2013-05-22 05:02 Geoffrey Kolbe
10. 2013-05-22 11:43 Dave Walden
11. 2013-05-22 17:21 Byron Franklin
12. 2013-05-22 20:28 Bill B

21 May 2013 – 22 May 2013 : At signs, degrees, and text colors

1. 2013-05-21 12:47 Andrew Nikitin
2. 2013-05-21 19:34 Bill B
3. 2013-05-21 23:24 Randall Morrow
4. 2013-05-22 02:00 Norm Goldblatt
5. 2013-05-22 14:45 Randall Morrow
6. 2013-05-22 15:01 Randall Morrow
7. 2013-05-22 20:30 Bill B

22 May 2013 – 22 May 2013 : DSLR Camera Star Lunar

1. 2013-05-22 04:28 Greg Rudzinski
2. 2013-05-22 05:24 Antoine Couëtte
3. 2013-05-22 14:08 Doug MacPherson
4. 2013-05-22 22:04 Greg Rudzinski

23 May 2013 – 23 May 2013 : Re: DSLR Camera Star Lunar-Moon Crater Albedo

1. 2013-05-23 16:01 Greg Rudzinski
2. 2013-05-23 19:57 Frank Reed

23 Apr 2013 – 24 May 2013 : Dip and Temperature Gradient

1. 2013-04-23 15:23 Marcel Tschudin
2. 2013-05-13 21:48 Paul Hirose
3. 2013-05-14 16:13 Bruce J. Pennino
4. 2013-05-14 17:33 Frank Reed
5. 2013-05-14 20:44 Richard B. Langley
6. 2013-05-14 23:09 Marcel Tschudin
7. 2013-05-24 13:01 Marcel Tschudin

24 May 2013 – 24 May 2013 : Have mechanical clocks' time passed? [[Of Peripheral Interest]]

1. 2013-05-24 18:53 Richard B. Langley
2. 2013-05-24 21:04 Marcel Tschudin

24 May 2013 – 25 May 2013 : Lunar eclipse -- real or photoshop?

1. 2013-05-24 23:11 Dave Walden
2. 2013-05-25 01:47 Greg Rudzinski
3. 2013-05-25 02:04 Greg Rudzinski

26 May 2013 – 26 May 2013 : Sunday night sky show

1. 2013-05-26 06:26 Gary LaPook

26 May 2013 – 26 May 2013 : Occultation last night

1. 2013-05-26 16:05 Norm Goldblatt

24 May 2013 – 26 May 2013 : Re: Have mechanical clocks' time passed? [[OfPeripheral Interest]]

1. 2013-05-24 19:44 Geoffrey Kolbe
2. 2013-05-24 20:20 Antoine Couëtte
3. 2013-05-25 21:05 Lu Abel
4. 2013-05-25 22:40 Norm Goldblatt
5. 2013-05-26 21:19 J Drae

26 May 2013 – 26 May 2013 : An error in Primer of Navigation, 6th Edition, diagram at bottom of page 362??

1. 2013-05-26 23:23 Alan S

27 May 2013 – 27 May 2013 : Re: An error in Primer of Navigation, 6th Edition, diagram at bottom of page362??

1. 2013-05-27 02:42 Greg Rudzinski

26 May 2013 – 28 May 2013 : Lensatic vs. backpacking compasses

1. 2013-05-26 19:48 John H
2. 2013-05-27 20:35 Paul Dolkas
3. 2013-05-27 22:25 Rommel John Miller
4. 2013-05-28 00:00 Robert Eno

28 May 2013 – 29 May 2013 : USCG license requirements for Celestial

1. 2013-05-28 11:25 Dave Walden
2. 2013-05-28 20:34 Alan S
3. 2013-05-28 22:36 Dave Walden
4. 2013-05-28 22:38 Andrew Seligman
5. 2013-05-28 23:19 Dave Walden
6. 2013-05-29 04:06 Alan S
7. 2013-05-29 04:15 Alan S
8. 2013-05-29 04:36 Andrew Seligman

29 May 2013 – 29 May 2013 : Planetary Triangle

1. 2013-05-29 17:28 Richard B. Langley

28 May 2013 – 29 May 2013 : Hc by azimuth diagram

1. 2013-05-28 04:44 Hanno Ix
2. 2013-05-28 05:13 Rommel John Miller
3. 2013-05-28 13:49 Greg Rudzinski
4. 2013-05-28 18:16 Hewitt Schlereth
5. 2013-05-29 20:07 Hanno Ix

29 May 2013 – 29 May 2013 : Video: Monstrous Waves Hitting a Ship

1. 2013-05-29 21:43 Sean C

29 May 2013 – 29 May 2013 : Re: Video: Monstrous Waves Hitting a Ship -- Rogue waves suck!

1. 2013-05-29 22:12 Rommel John Miller

26 May 2013 – 30 May 2013 : Shooting Mercury

1. 2013-05-26 06:41 Gary LaPook
2. 2013-05-26 08:54 Norm Goldblatt
3. 2013-05-26 13:17 Peter Hakel
4. 2013-05-26 15:15 Greg Rudzinski
5. 2013-05-26 19:06 Sean C
6. 2013-05-26 19:30 Richard B. Langley
7. 2013-05-27 07:40 Gary LaPook
8. 2013-05-27 10:18 Norm Goldblatt
9. 2013-05-27 13:45 Andrés Ruiz
10. 2013-05-27 15:32 Greg Rudzinski
11. 2013-05-27 15:35 Sean C
12. 2013-05-29 20:29 Rommel John Miller
13. 2013-05-29 21:20 Rommel John Miller
14. 2013-05-29 21:22 Sean C
15. 2013-05-29 21:46 Rommel John Miller
16. 2013-05-29 22:09 Frank Reed
17. 2013-05-30 00:46 Alan S
18. 2013-05-30 01:23 Rommel John Miller
19. 2013-05-30 01:48 Sean C

30 May 2013 – 30 May 2013 : Know any Machinists/Instrument Makers?

1. 2013-05-30 03:52 Sean C

24 May 2013 – 30 May 2013 : Douwes method

1. 2013-05-24 19:24 Ducruy Jacques
2. 2013-05-29 22:13 Frank Reed
3. 2013-05-30 17:01 Ducruy Jacques

30 May 2013 – 30 May 2013 : Postscript Plot Sheets

1. 2013-05-30 18:59 Sean C
2. 2013-05-30 20:25 Bill B

31 May 2013 – 31 May 2013 : Re: Slide rule choice, had been Shooting Mercury

1. 2013-05-31 06:00 Gary LaPook
2. 2013-05-31 06:21 Gary LaPook

31 May 2013 – 31 May 2013 : Re: Watches as chronometers (correction)

1. 2013-05-31 05:17 Gary LaPook
2. 2013-05-31 05:59 Antoine Couëtte
3. 2013-05-31 07:42 Gary LaPook
4. 2013-05-31 15:28 Greg Rudzinski
5. 2013-05-31 16:19 Gary LaPook

31 May 2013 – 31 May 2013 : Article on lunars and the Prime Meridian

1. 2013-05-31 18:01 Frank Reed

29 May 2013 – 31 May 2013 : Witchell method

1. 2013-05-29 19:27 Ducruy Jacques
2. 2013-05-29 21:16 Frank Reed
3. 2013-05-31 10:27 Andrés Ruiz
4. 2013-05-31 18:54 Ducruy Jacques

31 May 2013 – 01 Jun 2013 : ReedNavigation

1. 2013-05-31 07:02 Frank Reed
2. 2013-05-31 23:23 Ken Muldrew
3. 2013-06-01 00:29 Frank Reed

29 May 2013 – 01 Jun 2013 : Nitpicking on Moon Height Corrections

1. 2013-05-29 13:11 Antoine Couëtte
2. 2013-05-29 22:00 Frank Reed
3. 2013-05-30 05:36 Paul Hirose
4. 2013-05-30 10:07 Antoine Couëtte
5. 2013-05-30 11:54 Antoine Couëtte
6. 2013-05-30 13:13 Peter Hakel
7. 2013-05-30 13:24 Antoine Couëtte
8. 2013-05-31 22:37 Paul Hirose
9. 2013-06-01 16:39 Antoine Couëtte

31 May 2013 – 01 Jun 2013 : About GPS again

1. 2013-05-31 14:50 Peter Hakel
2. 2013-05-31 15:31 Lu Abel
3. 2013-05-31 16:56 Robert Wyatt
4. 2013-05-31 17:06 Richard B. Langley
5. 2013-05-31 17:56 Frank Reed
6. 2013-05-31 18:24 Bill B
7. 2013-05-31 19:19 Peter Hakel
8. 2013-06-01 16:04 Lu Abel
9. 2013-06-01 16:28 Lu Abel
10. 2013-06-01 18:59 Sean C
11. 2013-06-01 19:31 Lu Abel

31 May 2013 – 02 Jun 2013 : Re: Shooting Mercury, Slide rule

1. 2013-05-31 04:17 Hanno Ix
2. 2013-05-31 15:58 Hanno Ix
3. 2013-05-31 17:15 Hewitt Schlereth
4. 2013-05-31 18:07 Greg Rudzinski
5. 2013-06-02 01:19 Hewitt Schlereth

02 Jun 2013 – 02 Jun 2013 : Vintage Marine Waypoint Navigator/Plotter

1. 2013-06-02 12:23 Dave Walden
2. 2013-06-02 15:47 Gary LaPook

03 Jun 2013 – 03 Jun 2013 : Postscript Plot Sheets: Note

1. 2013-06-03 01:20 Sean C
2. 2013-06-03 09:31 Sean C

03 Jun 2013 – 03 Jun 2013 : Celestial Tools V4.0.1

1. 2013-06-03 23:22 Stan K

03 Jun 2013 – 04 Jun 2013 : Re: USNO Navigation Symposium?

1. 2013-06-03 23:42 Jonathan Hardis
2. 2013-06-04 18:51 Richard B. Langley

18 May 2013 – 04 Jun 2013 : Key West near-LAN sights

1. 2013-05-18 00:13 Peter Hakel
2. 2013-05-29 17:13 Antoine Couëtte
3. 2013-06-04 00:29 Peter Hakel
4. 2013-06-04 19:26 Frank Reed

06 Jun 2013 – 06 Jun 2013 : Nautical Almanac for 1994 pdf

1. 2013-06-06 07:04 Frank Reed

07 Jun 2013 – 07 Jun 2013 : Board of Longitude archive - launch event for online collection

1. 2013-06-07 06:39 Richard Dunn

06 Jun 2013 – 07 Jun 2013 : Horizontal Sextant Angles and False Horizons etc.

1. 2013-06-06 15:44 Sam Willis
2. 2013-06-06 22:47 Greg Rudzinski
3. 2013-06-07 01:16 Peter Hakel
4. 2013-06-07 14:57 Greg Rudzinski
5. 2013-06-07 15:33 Greg Rudzinski

07 Jun 2013 – 08 Jun 2013 : WP-34s calculator

1. 2013-06-07 20:01 Andrew Nikitin
2. 2013-06-07 20:21 Derrick Young
3. 2013-06-07 21:09 Andrew Nikitin
4. 2013-06-07 21:17 Alan S
5. 2013-06-07 21:40 Alan S
6. 2013-06-08 21:43 Alan S

09 Jun 2013 – 09 Jun 2013 : Wp-34'ss

1. 2013-06-09 22:16 Derrick Young

10 Jun 2013 – 10 Jun 2013 : Atomic clock output format

1. 2013-06-10 18:54 Bill B

01 Jun 2013 – 10 Jun 2013 : Lyons methods for clearing lunar distance

1. 2013-06-01 20:57 Ducruy Jacques
2. 2013-06-02 02:04 Frank Reed
3. 2013-06-02 10:43 Ducruy Jacques
4. 2013-06-02 17:58 Frank Reed
5. 2013-06-02 19:30 Ducruy Jacques
6. 2013-06-07 15:58 Ducruy Jacques
7. 2013-06-10 00:27 Frank Reed
8. 2013-06-10 19:00 Ducruy Jacques

12 Jun 2013 – 12 Jun 2013 : Celestial Navigation, what to teach and to who?

1. 2013-06-12 02:58 Doug MacPherson

12 Jun 2013 – 12 Jun 2013 : Noon Sun class this weekend

1. 2013-06-12 15:34 Frank Reed

12 Jun 2013 – 12 Jun 2013 : Sextant practice / gathering

1. 2013-06-12 15:45 Frank Reed

10 Jun 2013 – 12 Jun 2013 : Horizontal Sextant Angle Plot

1. 2013-06-10 22:50 Greg Rudzinski
2. 2013-06-11 06:25 Andrés Ruiz
3. 2013-06-12 15:56 Greg Rudzinski

12 Jun 2013 – 12 Jun 2013 : TIGHAR Sued Over Earhart Discovery

1. 2013-06-12 18:03 William Hawes
2. 2013-06-12 20:30 Frank Reed

12 Jun 2013 – 14 Jun 2013 : Longitude by Noon Sun or "around" noon

1. 2013-06-12 15:03 Frank Reed
2. 2013-06-12 15:57 Ducruy Jacques
3. 2013-06-12 16:32 Frank Reed
4. 2013-06-12 17:35 Ducruy Jacques
5. 2013-06-12 18:10 Hewitt Schlereth
6. 2013-06-14 13:44 Don Seltzer
7. 2013-06-14 16:25 Frank Reed

14 Jun 2013 – 14 Jun 2013 : Sample Plots and a Question

1. 2013-06-14 03:34 Sean C
2. 2013-06-14 16:17 Alan S
3. 2013-06-14 17:04 Greg Rudzinski
4. 2013-06-14 18:22 Sean C

14 Jun 2013 – 14 Jun 2013 : Lunar distance program for Windows: Lunar3

1. 2013-06-14 06:20 Paul Hirose
2. 2013-06-14 12:49 Dave Walden
3. 2013-06-14 16:08 Paul Hirose
4. 2013-06-14 18:42 Dave Walden
5. 2013-06-14 19:07 Dave Walden

19 May 2013 – 14 Jun 2013 : Dip observations by Carnegie Institution

1. 2013-05-19 23:35 Paul Hirose
2. 2013-05-20 05:03 Paul Hirose
3. 2013-05-20 08:43 Marcel Tschudin
4. 2013-05-20 13:08 Richard B. Langley
5. 2013-06-12 23:22 Bruce J. Pennino
6. 2013-06-13 11:22 Marcel Tschudin
7. 2013-06-13 17:08 Frank Reed
8. 2013-06-13 20:54 Marcel Tschudin
9. 2013-06-13 21:13 Richard B. Langley
10. 2013-06-14 03:06 Bill B
11. 2013-06-14 12:17 Richard B. Langley
12. 2013-06-14 18:39 Paul Hirose
13. 2013-06-14 18:41 Bill B
14. 2013-06-14 21:05 Marcel Tschudin

11 Jun 2013 – 15 Jun 2013 : Longitude by observation of the Sun, 19th Century

1. 2013-06-11 14:34 Peter Cope
2. 2013-06-11 18:38 Hewitt Schlereth
3. 2013-06-11 18:54 Brad Morris
4. 2013-06-11 19:53 Ducruy Jacques
5. 2013-06-12 09:21 Peter Cope
6. 2013-06-12 10:03 Peter Cope
7. 2013-06-12 10:33 Peter Cope
8. 2013-06-12 14:54 Frank Reed
9. 2013-06-12 15:31 Frank Reed
10. 2013-06-12 15:44 Ducruy Jacques
11. 2013-06-12 15:45 Hewitt Schlereth
12. 2013-06-12 15:53 Frank Reed
13. 2013-06-12 16:12 Ducruy Jacques
14. 2013-06-12 16:56 Frank Reed
15. 2013-06-12 18:20 Ducruy Jacques
16. 2013-06-13 11:25 Bill Noyce
17. 2013-06-13 15:34 Frank Reed
18. 2013-06-13 17:34 Frank Reed
19. 2013-06-14 15:27 Ducruy Jacques
20. 2013-06-14 16:09 Frank Reed
21. 2013-06-15 13:08 Frank Reed

15 Jun 2013 – 15 Jun 2013 : Wayfinding

1. 2013-06-15 15:12 Philip Lange

15 Jun 2013 – 15 Jun 2013 : Fw: Re: Watches as chronometers ( accidently sent out the previous)

1. 2013-06-15 17:49 Gary LaPook

31 May 2013 – 15 Jun 2013 : Watches as chronometers

1. 2013-05-31 05:09 Gary LaPook
2. 2013-05-31 18:35 Bill B
3. 2013-05-31 18:57 Brad Morris
4. 2013-05-31 19:25 Bill B
5. 2013-05-31 20:39 Geoffrey Kolbe
6. 2013-05-31 21:50 Gary LaPook
7. 2013-05-31 21:54 Bill B
8. 2013-06-01 07:16 Geoffrey Kolbe
9. 2013-06-08 18:46 Bill B
10. 2013-06-09 06:30 Geoffrey Kolbe
11. 2013-06-09 23:32 Paul Hirose
12. 2013-06-10 19:21 Bill B
13. 2013-06-10 22:45 Brad Morris
14. 2013-06-11 19:02 Bill B
15. 2013-06-11 19:17 Brad Morris
16. 2013-06-11 20:10 Geoffrey Kolbe
17. 2013-06-11 21:22 Brad Morris
18. 2013-06-12 04:56 Geoffrey Kolbe
19. 2013-06-14 18:37 Paul Hirose
20. 2013-06-14 19:02 Brad Morris
21. 2013-06-15 04:42 Frank Reed
22. 2013-06-15 17:34 Gary LaPook
23. 2013-06-15 19:03 Brad Morris
24. 2013-06-15 19:46 Bill B
25. 2013-06-15 19:49 Gary LaPook
26. 2013-06-15 19:52 Gary LaPook
27. 2013-06-15 20:16 Brad Morris
28. 2013-06-15 20:25 Brad Morris
29. 2013-06-15 20:36 Geoffrey Kolbe

16 Jun 2013 – 16 Jun 2013 : Re: Correction: Error in H.O. 229 Introduction/Explanation?

1. 2013-06-16 23:22 Paul Hirose

17 Jun 2013 – 17 Jun 2013 : Re: Error in H.O. 229

1. 2013-06-17 01:49 Sean C

17 Jun 2013 – 17 Jun 2013 : Re: Covert Position from a Photo

1. 2013-06-17 02:42 Greg Rudzinski

16 Jun 2013 – 17 Jun 2013 : Re: HO-249 Epoch 2015 pdf

1. 2013-06-16 17:36 Sean C
2. 2013-06-16 23:11 Rommel John Miller
3. 2013-06-17 01:45 Dave Walden
4. 2013-06-17 04:56 Gary LaPook
5. 2013-06-17 14:38 Örjan Sandström
6. 2013-06-17 17:26 Frank Reed

17 Jun 2013 – 17 Jun 2013 : WWVB signal improvement

1. 2013-06-17 19:54 Paul Hirose

17 Jun 2013 – 17 Jun 2013 : New "Longitude Prize" (not)

1. 2013-06-17 15:51 Richard B. Langley
2. 2013-06-17 16:28 Frank Reed
3. 2013-06-17 20:30 Hanno Ix

17 Jun 2013 – 17 Jun 2013 : Finding the Sun on a Lunar

1. 2013-06-17 23:43 Greg Rudzinski

18 Jun 2013 – 19 Jun 2013 : Wikiquadrant

1. 2013-06-18 17:29 Frank Reed
2. 2013-06-18 17:45 Brad Morris
3. 2013-06-18 17:51 Brad Morris
4. 2013-06-18 18:13 Lu Abel
5. 2013-06-18 21:30 Hewitt Schlereth
6. 2013-06-19 06:05 Frank Reed

19 Jun 2013 – 19 Jun 2013 : Math education and teaching navigation

1. 2013-06-19 05:52 Frank Reed
2. 2013-06-19 07:50 Sean C
3. 2013-06-19 12:29 Andrés Ruiz
4. 2013-06-19 16:03 Lu Abel
5. 2013-06-19 16:07 Lu Abel
6. 2013-06-19 16:49 David Fleming
7. 2013-06-19 18:20 Brad Morris
8. 2013-06-19 19:14 Frank Reed

19 Jun 2013 – 20 Jun 2013 : Mathematical Notation in 18th cent. Maskelyne's British Mariners Guide)

1. 2013-06-19 19:40 Geoff South
2. 2013-06-19 20:59 Frank Reed
3. 2013-06-19 21:08 Geoff South
4. 2013-06-20 02:02 Frank Reed

20 Jun 2013 – 20 Jun 2013 : GPS narrative history will be published this October

1. 2013-06-20 02:03 Richard Easton

19 Jun 2013 – 20 Jun 2013 : Re: Mathematical Notation in 18th cent. Maskelyne's BritishMariners Guide)

1. 2013-06-19 21:01 Brad Morris
2. 2013-06-20 02:16 Paul Hirose

19 Jun 2013 – 20 Jun 2013 : Supermoons and Titanic tides

1. 2013-06-19 20:12 Frank Reed
2. 2013-06-20 01:25 Norm Goldblatt
3. 2013-06-20 01:34 Brad Morris
4. 2013-06-20 01:51 Frank Reed
5. 2013-06-20 02:11 Brad Morris
6. 2013-06-20 07:09 Bill B

19 Jun 2013 – 20 Jun 2013 : Perigee Full Moon 23 June

1. 2013-06-19 15:34 Brad Morris
2. 2013-06-19 16:56 Frank Reed
3. 2013-06-19 17:18 Brad Morris
4. 2013-06-19 17:22 Lu Abel
5. 2013-06-19 17:49 Brad Morris
6. 2013-06-19 17:50 Frank Reed
7. 2013-06-19 17:59 Frank Reed
8. 2013-06-19 18:04 Rommel John Miller
9. 2013-06-19 18:41 Frank Reed
10. 2013-06-20 03:12 Frank Reed
11. 2013-06-20 05:47 Frank Reed
12. 2013-06-20 15:14 Bruce J. Pennino
13. 2013-06-20 16:48 Frank Reed

06 Jun 2013 – 20 Jun 2013 : FAA-H-8083-18 - Flight Navigator Handbook

1. 2013-06-06 12:54 Andrés Ruiz
2. 2013-06-06 18:47 Gary LaPook
3. 2013-06-06 19:49 Hewitt Schlereth
4. 2013-06-13 08:01 Gary LaPook
5. 2013-06-13 08:06 Gary LaPook
6. 2013-06-13 08:38 Gary LaPook
7. 2013-06-17 12:49 Andrés Ruiz
8. 2013-06-17 17:34 Gary LaPook
9. 2013-06-17 18:33 Ken Gebhart
10. 2013-06-18 08:44 Gary LaPook
11. 2013-06-19 08:45 Andrés Ruiz
12. 2013-06-19 09:26 Gary LaPook
13. 2013-06-19 09:50 Gary LaPook
14. 2013-06-19 10:18 Andrés Ruiz
15. 2013-06-19 15:19 Gary LaPook
16. 2013-06-20 17:59 Gary LaPook

20 Jun 2013 – 20 Jun 2013 : Re: Benefits of Stigmatizing

1. 2013-06-20 18:52 Rommel John Miller
2. 2013-06-20 21:46 Greg Rudzinski

21 Jun 2013 – 21 Jun 2013 : Celestial Tools V4.0.2...

1. 2013-06-21 14:53 Stan K

22 Jun 2013 – 22 Jun 2013 : Sight practice and sextant fun Sunday

1. 2013-06-22 07:19 Frank Reed

06 Jun 2013 – 22 Jun 2013 : Oblateness formulas

1. 2013-06-06 12:58 Andrés Ruiz
2. 2013-06-12 17:27 Antoine Couëtte
3. 2013-06-13 07:49 Andrés Ruiz
4. 2013-06-13 09:47 Antoine Couëtte
5. 2013-06-15 15:07 Robin Stuart
6. 2013-06-15 17:32 Antoine Couëtte
7. 2013-06-22 14:45 Robin Stuart
8. 2013-06-22 20:53 Antoine Couëtte

21 Jun 2013 – 22 Jun 2013 : Moon, Saturn, and stars last night

1. 2013-06-21 18:37 Frank Reed
2. 2013-06-22 01:04 Bruce J. Pennino
3. 2013-06-22 04:48 Peter Hakel
4. 2013-06-22 06:12 Antoine Couëtte
5. 2013-06-22 06:55 Frank Reed
6. 2013-06-22 07:06 Frank Reed
7. 2013-06-22 19:08 Hewitt Schlereth
8. 2013-06-22 20:29 Peter Hakel
9. 2013-06-22 21:03 Frank Reed

24 Jun 2013 – 24 Jun 2013 : No bubble on Mk IX sextant

1. 2013-06-24 17:04 Jim Mandaville
2. 2013-06-24 17:26 Paul Brewer
3. 2013-06-24 19:30 Luc Desmedt

21 Jun 2013 – 25 Jun 2013 : Laptop Freeware for DSLR Images

1. 2013-06-21 20:01 Greg Rudzinski
2. 2013-06-21 20:41 Bill B
3. 2013-06-21 21:26 Frank Reed
4. 2013-06-22 00:26 Lu Abel
5. 2013-06-22 18:02 Greg Rudzinski
6. 2013-06-22 18:13 Greg Rudzinski
7. 2013-06-22 19:08 Lu Abel
8. 2013-06-22 20:34 Bill B
9. 2013-06-22 20:44 Bill B
10. 2013-06-23 04:49 Greg Rudzinski
11. 2013-06-23 06:59 Örjan Sandström
12. 2013-06-23 15:29 Greg Rudzinski
13. 2013-06-23 20:21 Bill B
14. 2013-06-23 20:55 Frank Reed
15. 2013-06-24 19:21 Greg Rudzinski
16. 2013-06-24 21:12 Lu Abel
17. 2013-06-24 22:40 Frank Reed
18. 2013-06-25 00:05 Greg Rudzinski

26 Jun 2013 – 26 Jun 2013 : Terrestrial Magnetism Researcher-Obituary

1. 2013-06-26 01:09 Bruce J. Pennino

25 Jun 2013 – 26 Jun 2013 : Full moon and ISS

1. 2013-06-25 03:43 Norm Goldblatt
2. 2013-06-25 04:47 Bill B
3. 2013-06-25 06:28 Frank Reed
4. 2013-06-25 08:41 Gary LaPook
5. 2013-06-26 04:56 Greg Rudzinski
6. 2013-06-26 05:01 Norm Goldblatt
7. 2013-06-26 05:29 Greg Rudzinski