Infrastructure
Positioning, Navigation, and Timing (PNT) Satellites
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... In 2018, the USAF continued GPS operations with ground equipment that is decades old. The number of…
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... For PNT satellites to function…
2018 – PNT Satellite Manufacturers
The top three manufacturers of PNT satellites in 2018, from an overall share perspective... The top three manufacturers of PNT satellites in 2018, from an overall share perspective, came from…
2018 – Quasi-Zenith Satellite System (QZSS)
Japan’s Cabinet Office continues to operate all ## satellites of QZSS (also known as Michibiki), the country’s PNT constellation. Japan’s Cabinet Office continues to operate all four satellites of QZSS…
2018 – Navigation with Indian Constellation (NavIC)
India launched one Indian Regional Navigation Satellite System (IRNSS) satellite to complete its Navigation with Indian Constellation... India launched one Indian Regional Navigation Satellite System (IRNSS) satellite to complete its…
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…
2018 – Global Navigation Satellites System (GLONASS)
For 2018, Russia maintained its 2017 number of operational GLONASS PNT satellites, ##; these satellites... For 2018, Russia maintained its 2017 number of operational GLONASS PNT satellites, 24; these satellites…
2018 – Galileo
In contrast to the PNT systems operated by other nations (except Japan), two European civil government organizations (the EU) and the ESA) share acquisition, management... In contrast to the PNT…
2018 – BeiDou/CentiSpace
Of all the nations deploying and operating PNT satellites in 2018, China was the busiest. At the beginning of 2018, the nation’s PNT system, known as BeiDou (Compass), consisted of…