Positioning, Navigation, and Timing (PNT) Satellites
PNT Ground Networks
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…
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…
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…
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…
2018 – PNT Satellite Ground Networks
For PNT satellites to function reliably and in some cases provide more than just the basic function of timing signals from space to the ground, a ground network is necessary.…
2017 – PNT Ground Networks
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 16 monitoring…
Infrastructure: Space Infrastructure – TSR 2018
Infrastructure: Space Infrastructure - TSR 2018 examines global human spaceflight operations to include both the Chinese and US space stations, launch vehicles from all spacefaring nations, communications satellite constellations, PNT…
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).…
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…
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…