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- Celestial Navigation: Sight Reduction, Line Of Position, Fix...
- Positional Astronomy: Nautical Almanac, RA, GHA, Dec
- Coastal Navigation: Range, Bering, Horizontal angles, IALA...
- Sailings: Rhumbs, Loxodromic, Orthodromic, Meridional parts...
- Weather , Tides
- Software: PC, Android
https://sites.google.com/site/navigationalalgorithms/
