Explanation
GPS is an abbreviation of Global positioning system
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The Global Positioning System, originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force.
The GPS (Global Positioning System) is a "constellation" of 31 well-spaced satellites that orbit the Earth
Coverage: Global
Cost: $12 billion; (initial constellation); $750 million per year; (operating cost)
First launch: February 22, 1978; 44 years ago
Orbital height: 20,180 km (12,540 mi)
Regime(s): 6 MEO planes

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