Positioning, Navigation, and Timing (PNT) Satellites

PNT Ground Networks

2018 TSRQ3 – PNT Ground Networks

Global navigation satellite systems (GNSS) provide positioning, navigation, and timing information. These satellite systems are augmented by ground stations which can be used as reference points to increase the accuracy of information derived from the satellite signals.

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2016 – PNT Ground Networks – Snapshot

In 2016, the U.S. Air Force (USAF) continued to operate and maintain a large, combined-services ground network for its positioning, navigation, and timing (PNT) fleet, the Global Positioning System (GPS). Consisting of 15 monitoring stations and 11 command and control antennas, the network was commanded through the USAF’s

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2015 – PNT Ground Networks – Snapshot

The current U.S. Global Positioning System (GPS) ground control segment consists of a variety of ground antennas, monitor stations, and Air Force Satellite Control Network (AFSCN) Remote Tracking Stations. The 16 monitoring stations, including those owned by the National Geospatial-Intelligence Agency, and 12 command and control antennas, are all operated by the master control station in Colorado, or the alternate master control station in California.

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