| Short for
Global Positioning System, GPS is a network of satellites that helps users determine a location on
Earth. The thought of GPS was first conceived after the launch of
Sputnik in 1957. In 1964
the TRANSIT system became
operational on U.S. Polaris submarines and allowed for accurate
positioning updates. Later this became available for commercial use in
1967.
Today, with the right equipment and/or software, anyone can establish a connection
to these satellites run by the U.S. government to establish his or her location within
50 to 100 feet.
Also see: Absolute
location, Geocaching, GIS, LBS
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