Navigation

History
Land

Water

	A Short Guide to Celestial Navigation : Downloadable electronic book. Also several shareware programs. - home.t-online.de/home/h.umland/
	Australian Institute of Navigation : About the organization. Online newsletter. Meeting and membership information. - www.gmat.unsw.edu.au/aion/aion.html
	German Institute of Navigation (DGON) : About the organization. - www.dgon.de/content/englisch/englisch.htm
	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." - vesuvius.jsc.nasa.gov/er/seh/navigate.htm
	International Association of Institutes of Navigation : About the organization. Online newsletter. Membership information. Definitions of navigation terms. International directory of organizations. - www.rin.org.uk/iain/frame1.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. - www-2.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 caluclations and coastal navigation and conning. - 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. - nng.esoc.esa.de/
	Nordic Institute of Navigation : About the organization. Membership information. Meeting programs. Discussion forum. - www.nornav.org/
	Visual Global Positioning System : About a map-based three dimenesional air or two dimensional marine or land based navigation system. - members.ispwest.com/vgps