Celestial Navigation Forum
   Discussion forum and live chat.
   http://jollyroger.com/zz/yna4d/CelestialNavigationhall/shakespeare1.html

Celestial Navigation Net
   Annotated hub site of resources relating to navigating by the stars, including theory, practice, history, instruments, and classroom links.
   http://www.celestialnavigation.net/

German Institute of Navigation (DGON)
   About the organization.
   http://www.dgon.de/content/englisch/englisch.htm

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.
   http://www.cs.cmu.edu/afs/cs/project/lri-3/www/lrd/nav-home.html

Navigation and Related Subjects
   Covers celestial navigation theory, sextant errors and corrections, rhumb line calculations and coastal navigation and conning.
   http://jacq.istos.com.au/sundry/navig.html

Near-Earth Navigation and Geodesy
   Describes the activities and research of the Navigation Research Office at the European Space Operations Center.
   http://nng.esoc.esa.de/

Nordic Institute of Navigation
   About the organization. Membership information. Meeting programs. Discussion forum.
   http://www.nornav.org/

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.
   http://www.rin.org.uk/

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.
   http://www.ion.org/

The Navigation Foundation
   A non-profit corporation dedicated to the preservation of the art of celestial navigation. Mission, membership benefits, contact information.
   http://www.navigationfoundation.org/

US Coast Guard Navigation Center
   News, updates and advisories. Links to local US Coast Guards sites. Downloadable publications.
   http://www.navcen.uscg.gov/