____ is the first positioning system to offer highly precise location data for any point on the planet,in any weather.
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_GPS___ is the first positioning system to offer highly precise location data for any point on the planet,in any weather.
The GPS project was started by the U.S. Department of Defense in 1973, with the first prototype spacecraft launched in 1978 and the full constellation of 24 satellites operational in 1993.
- Global Positioning System.
- Accuracy 500–30 cm (16–0.98 ft)
- Constellation size
Total satellites 33
- Satellites in orbit 31
- First launch February 22, 1978
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