- Astro Navigation
Shareware that calculates position by means of stars observations, designed by a seaman for seamen. Includes an introduction to celestial navigation theory.
- CelestNav
Palm Pilot shareware for finding your geographic position with a sextant.
- Geo Magnetic Info
A Palm Pilot application to compute the magnetic declination, inclination, and magnitude for any location on Earth.
- Haoning
Focuses on developing mobile geographic information systems including both software and hardware and provides corresponding services.
- Navigator Light Software
Celestial and chart navigation software. Star finder. Nautical Almanac.
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