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The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) services. This system consists of three segments: the space segment, the control segment, and the user segment. The U.S. Space Force develops, maintains, and operates the space and control segments. The space segment consists of a nominal constellation of 24 operating ...
What Can GPS Do? GPS and its augmentations are an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the development of applications that billions of users worldwide rely on. GPS technology is now in everything from cell phones and wristwatches to bulldozers, shipping containers ...
GPS is operated and maintained by the U.S. Space Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing.
GPS time transfer is a common method for synchronizing clocks and networks to Coordinated Universal Time (UTC). The government distributes UTC as maintained by the U.S. Naval Observatory (USNO) via the GPS signal in space with a time transfer accuracy relative to UTC (USNO) of ≤30 nanoseconds (billionths of a second), 95% of the time.