- A Short Guide to Celestial Navigation
Downloadable electronic book. Also several shareware programs.
- Australian Institute of Navigation
About the organization. Online newsletter. Meeting and membership information.
- Celestial Navigation Forum
Discussion forum and live chat.
- Celestial Navigation Net
Annotated hub site of resources relating to navigating by the stars, including theory, practice, history, instruments, and classroom links.
- German Institute of Navigation (DGON)
About the organization.
- How Columbus and Apollo Astronauts Navigated
Comparative analysis of techniques used then and now including dead reckoning and celestial navigation. Discussion of the "longitude problem."
- International Association of Institutes of Navigation
About the organization. Online newsletter. Membership information. Definitions of navigation terms. International directory of organizations.
- Lunar Rover Demonstration Navigation Group
About the Carnegie Mellon researchers creating a prototype for a new lunar rover that can navigate rugged terrain and the navigation system they're using.
- Navigation and Related Subjects
Covers celestial navigation theory, sextant errors and corrections, rhumb line caluclations and coastal navigation and conning.
- Near-Earth Navigation and Geodesy
Describes the activities and research of the Navigation Research Office at the European Space Operations Center.
- Nordic Institute of Navigation
About the organization. Membership information. Meeting programs. Discussion forum.
- Royal Institute of Navigation
About the London based organization. Membership information. Online newsletter and briefings. Mailing list. Search the organizations library or journals. Competitions and events schedule.
- Sea and Space
Dicusses astronomical navigation, GPS navigation, and navigation using satellite images.
- The Institute of Navigation
Meeting programs with abstracts. Award winners and nomination forms. Membership information. Online version of the quarterly newsletter. Index of the organization's annual journal.
- US Coast Guard Navigation Center
News, updates and advisories. Links to local US Coast Guards sites. Downloadable publications.
- Visual Global Positioning System
About a map-based three dimenesional air or two dimensional marine or land based navigation system.
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