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Positioning, Navigation, and Timing (PNT) Satellites


Infrastructure: Spacecraft Overview – TSRQ2 2020

TSR20-Q2-Infrastructure Section examines global spacecraft/satellite operations conducted throughout the three space sectors, military, civil government, and commercial. This edition covers communication, PNT, and Earth observation/remote sensing satellites, along with major…

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Infrastructure: Spacecraft Overview – TSRQ1 2019

Infrastructure: Spacecraft Overview - TSRQ1 2019 examines global spacecraft/satellite operations conducted throughout the three space sectors, military, civil government, and commercial. This edition covers communication, PNT, and Earth observation/remote sensing…

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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 old. The number of command and control antennas (which the USAF uses to send GPS satellite commands…

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2018 – PNT Satellite Manufacturers

The top three manufacturers of PNT satellites in 2018, from an overall share perspective, came from China and Russia. The China Academy of Space Technology (CAST) manufactured 35% (9) of…

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2018 – Global Positioning System (GPS)

The U.S. maintained 31 operational GPS satellites during 2018, the same number operational during 2017. While that number of operational satellites is seven more than the minimum number of GPS…

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