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The Sky's The Limit - The Global Positioning System (GPS)101 <<Safer,Smarter,Confident Pilots>> #SmartPilotLikeToLearn The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States ...
The Global Positioning System (GPS): Creating Satellite Beacons in Space, Engineers Transformed Daily Life on Earth
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GPS rules everything. A new satellite launch keeps a big upgrade rolling - CNET
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