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Global Positioning System
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help| The Global Positioning System (GPS) is a Global Navigation Satellite System (GNSS) developed by the United States Department of Defense. It is the only fully functional GNSS in the world. It uses a constellation of between 24 and 32 Medium Earth Orbit satellites that transmit precise microwave signals, which enable GPS receivers to determine their current location, the time, and their velocity.... Read enhanced Wikipedia article |
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Global Positioning System
The Global Positioning System (GPS) is a Global Navigation Satellite System (GNSS) developed by the United States Department of Defense. It is the only fully functional GNSS in the world. -
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Global navigation satellite system
The United States' Global Positioning System (GPS), which as of 2007 is the only fully functional, fully available global navigation satellite system. -
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Differential GPS
Global Positioning System (GPS) -
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Galileo (satellite navigation)
The €3.4 billion project is an alternative and complementary to the U.S. Global Positioning System (GPS) and the Russian GLONASS. -
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Positioning system
Global Positioning System – US military system, fully operational since 1995 -
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VHF omnidirectional range
Global Positioning System (GPS) -
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Global Positioning System-based game
A Global Positioning System-based game is a game played in conjunction with a Global Positioning System device (GPS). -
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Roger L. Easton
He received the National Medal of Technology for his "extensive pioneering achievements in spacecraft tracking, navigation and timing technology that led to the development of the NAVSTAR-Global Positioning System (GPS)." -
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Waypoint
Global Positioning System -
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Time transfer
Global Positioning System
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Global Positioning System