Recent Article Additions
GPS Competitors
GLONASS: The Russian Federation controls and operates a constellation of satellites and related ground stations called GLONASS, for purposes similar to GPS. GLONASS was developed and launched origi
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GPS History in Brief
The GPS satellite system for navigation was designed in the 1970s by the U.S. Department of Defense. It started out as a global navigation system for military land-based and air vehicles, with some
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