Category:GPS: Difference between revisions

Revision as of 17:19, 20 February 2011

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 ===Description===
-[[File:GPS Satellite NASA art-iif.jpg|left|thumb|200px|'''''Figure 1:''''' GPS Satellite Artist Interpretation]]
-The GPS is a space-based global navigation satellite system (GNSS) that provides reliable positioning, navigation, and timing services to civilian and military users on a continuous worldwide basis -- freely available to all.
-It is maintained by the United States government and is freely accessible by anyone with a GPS receiver.
-GPS receivers compute their position in the GPS Reference System using satellite technology and based on triangulation principles
-GPS was originally developed for the U.S. military, but is now provided as a public service for people all over the world by the U.S. government.
-Deployment of the GPS system began on 22 February 1978 with the launch of the first Block I Navstar GPS satellite. Initial Operating Capability was declared in December 1993 with 24 operational GPS satellites in orbit. Full Operational Capability was declared in June of 1995.
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 [[File:GPS.png|right|150px]]
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