| A Short Guide to Celestial Navigation Downloadable electronic book. Also several shareware programs.
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| Australian Institute of Navigation About the organization. Online newsletter. Meeting and membership information.
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| Celestial Navigation Forum Discussion forum and live chat.
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| Celestial Navigation Net Annotated hub site of resources relating to navigating by the stars, including theory, practice, history, instruments, and classroom links.
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| German Institute of Navigation (DGON) About the organization.
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| How Columbus and Apollo Astronauts Navigated Comparative analysis of techniques used then and now including dead reckoning and celestial navigation. Dicussion of the "longitude problem."
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| International Association of Institutes of Navigation About the organization. Online newsletter. Membership information. Definitions of navigation terms. International directory of organizations.
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| 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.
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| Navigation and Related Subjects Covers celestial navigation theory, sextant errors and corrections, rhumb line caluclations and coastal navigation and conning.
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| Near-Earth Navigation and Geodesy Describes the activities and research of the Navigation Research Office at the European Space Operations Center.
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| Nordic Institute of Navigation About the organization. Membership information. Meeting programs. Discussion forum.
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| 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.
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| Sea and Space Dicusses astronomical navigation, GPS navigation, and navigation using satellite images.
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| 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.
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| US Coast Guard Navigation Center News, updates and advisories. Links to local US Coast Guards sites. Downloadable publications.
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| Visual Global Positioning System About a map-based three dimenesional air or two dimensional marine or land based navigation system.
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