Positioning, Navigation, and Timing (PNT) Satellites
PNT Ground Networks
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.
2018 – Galileo Ground Networks – Snapshot
Responsibility for the operation of the Galileo constellation’s ground system moved in 2018 from the European Space Agency (ESA)…
2018 – GPS Ground Networks – Snapshot
In 2018, the USAF continued GPS operations with ground equipment that is decades…
2017 – PNT Ground Networks – Snapshot
During 2017, the United States Air Force still conducted operations with decades-old ground equipment. The ground network consisted of 11 command and control antennas and a total of…
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
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 ## monitoring stations, including those owned by the National Geospatial-Intelligence Agency, and ## command and control antennas, are all operated by the master control station in Colorado, or the alternate master control station in California.