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Threads
- assumed longitude (2 Replies)
- USCG Crazy Exam question: Sidereal vs Tropical Year (3 Replies)
- How to get LHA and Ap longitude in Eastern longitudes (15 Replies)
- why Astron uses a "decide for yourself" AP longitude (2 Replies)
- A Source of Confusion in Selecting an Assumed Position (8 Replies)
- Don't lose heart..... (0 Replies)
- compass rose revised (2 Replies)
- Sextant mirrors re-silvering (2 Replies)
- LHA in Eastern longitudes? (5 Replies)
- warning - graphic content (4 Replies)
- British Mark IXA Bubble Sextant (2 Replies)
- re: relative bearings maybe useful formula (2 Replies)
- History and use of star finder celestial globes for navigation cf plan models (0 Replies)
- Digital Sextant (0 Replies)
- Are Great Circle Tracks Curved ? (0 Replies)
- Why Great Circles Are Great (0 Replies)
- What Day Is It In Greenwich (0 Replies)
- About (Daylight) Time (0 Replies)
- Venus in Daylight My First Time (2 Replies)
- Sextant - what are these bits for? (6 Replies)
- Article about CN vs GPS. (0 Replies)
- Sign of the times. (1 Reply)
- Old method to find the positions suggested by "Cloudy Weather" Johnson (0 Replies)
- THINK ABOUT IT (12 Replies)
- Sun gone in hiding (1 Reply)
- Star of India navigation (2 Replies)
- Fid - dly stixs (1 Reply)
- Curious old navy math techniques. (11 Replies)
- NO ATHEISTS IN A STORM (2 Replies)
- Apparent time (3 Replies)
- New (to me) Ebbco (3 Replies)
- diy dividers (0 Replies)
- Navigation and other Marine Applications for SRs (3 Replies)
- Dead Reckoning (3 Replies)
- Haversine (1 Reply)
- Frustration (2 Replies)
- New member (9 Replies)
- Great Voyages (2 Replies)
- 2017 Bowditch- The American Practical Navigator (3 Replies)
- Celestial Nav problem I can't solve (12 Replies)
- 1940 book for navy cadets. Good refresher of trig. (0 Replies)
- New Almanac format (0 Replies)
- Bagnold Sun compass- BillOfTheNorth (1 Reply)
- Small error in Chapman (0 Replies)
- What Time is it? (15 Replies)
- A good night for Practice.. (2 Replies)
- Nories tables? (3 Replies)
- Index correction (2 Replies)
- First time real horizon (5 Replies)
- Not a wasted day - I learned something new (0 Replies)