print email comment close Global Positioning System Primer URL: http://www.aero.org/education/primers/gps/ Description: Information about the global positioning system (GPS), an aerospace technology that uses satellites and ground equipment to determine positions anywhere on Earth and used today by the military and in navigation and mapping. Includes a brief history of navigation, a GPS timeline, and links to related sites. From the Aerospace Corporation, "a federally funded research and development center in support of national security, civil and commercial space programs." Publisher: The Aerospace Corporation Library of Congress Subject Headings: Global Positioning System LII Database Information: Record 12308 created by Dana Lubow on 10/10/1999 Last modification on 01/24/2005 Published: 10/10/1999   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/12308