Positioning, Navigation, and Timing (PNT) Satellites

PNT Ground Networks


2018 – Galileo Ground Networks

Responsibility for the operation of the Galileo constellation’s ground system moved in 2018 from the European Space Agency (ESA)... Responsibility for the operation of the Galileo constellation’s ground system moved…

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2018 – GPS Ground Networks

In 2018, the USAF continued GPS operations with ground equipment that is decades... In 2018, the USAF continued GPS operations with ground equipment that is decades old. The number of…

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2017 – PNT Ground Networks

During 2017, the United States Air Force still conducted operations with decades-old ground equipment. The ground network consisted of ## command and control antennas and a total of... During 2017,…

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2016 – PNT Ground Networks

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).…

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2015 – PNT Ground Networks

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…

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2010 – PNT Ground Networks

In a relatively new development, commercial companies now sell reference stations that can be operated by local governments, businesses, and individuals. Reference stations are fixed GPS receivers whose position on…

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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…

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