Positioning, Navigation, and Timing (PNT) Satellites

US PNT Satellites (GPS)


2018 – Global Positioning System (GPS)

The U.S. maintained ## operational GPS satellites during 2018, the same number operational... The U.S. maintained 31 operational GPS satellites during 2018, the same number operational during 2017. While that…

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2017 – GPS

The U.S. Air Force (USAF) managed ## operational GPS satellites during 2017, ## more than the minimum ## GPS satellites required for effective operations. Even though the U.S. number of...…

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2016 – GPS

While the U.S. Air Force (USAF) maintained ## operational satellites in its Global Positioning System (GPS) positioning, navigation and timing (PNT) fleet, the U.S. share of overall global operational PNT…

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2015 – GPS

The U.S. Global Positioning System (GPS) satellite fleet made up ##% of the operational global positioning, navigation, and timing fleets orbiting the Earth in 2015. Originally developed for military use,…

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2005 – GPS

The U.S. NAVSTAR (Navigation Signal Timing and Ranging) GPS constellation consists of ## active and ## spare satellites in MEO. According to the DoD, the fundamental concept of GPS is…

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2007 – GPS

The U.S. Navigation Signal Timing and Ranging Global Positioning System (NAVSTAR GPS or GPS) continues to be the only fully operational navigation constellation and therefore the most popular. GPS consists…

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2014 – GPS

The number of U.S. GPS satellites remained relatively unchanged from 2013, with ## orbiting the Earth. The composition of GPS satellite generations within the constellation changed, as the United States…

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2008 – GPS

The U.S. Navigation Signal Timing and Ranging Global Positioning System (NAVSTAR GPS or GPS) is the only fully operational satellite-based navigation network. Best known from its widespread commercial applications, the…

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2009 – GPS

The U.S. Navigation Signal Timing and Ranging Global Positioning System (NAVSTAR GPS or simply GPS) was developed and deployed by the U.S. Air Force and remains the only fully operational…

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2010 – GPS

PNT satellites send signals from space to receivers, which can determine their positions so long as they can see at least three PNT satellites. In addition to the primary PNT…

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