| Instrument: GPS : Global Positioning System |
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Associated Platforms UND CITATION II SNOE GRACE DC-8 AIRCRAFT Related Data Sets View all records related to this instrument Description A Global Positioning System (GPS) is a constellation of 24 satellites, developed by the U.S. Department of Defense that orbit the earth at an altitude of 20,200 km. These satellites transmit signals that allows a GPS receiver anywhere on earth to calculate its own location. The GPS is used in navigation, mapping, surveying, and other applications where precise positioning is necessary. Online Resources http://scign.jpl.nasa.gov/learn/gps1.htm Instrument Logistics Instrument Owner: USA/NASA USA/DOD/USAF |
