2018
2018 – Navigation with Indian Constellation (NavIC) – Snapshot
India launched one Indian Regional Navigation Satellite System (IRNSS) satellite to complete its Navigation with Indian Constellation…
2018 – Global Positioning System (GPS) – Snapshot
The U.S. maintained 31 operational GPS satellites during 2018, the same number operational during 2017. While that number of operational satellites is . . .
2018 – Global Navigation Satellites System (GLONASS) – Snapshot
For 2018, Russia maintained its 2017 number of operational GLONASS PNT satellites, 24; these satellites are also . . .
2018 – Galileo – Snapshot
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…
2018 – BeiDou/CentiSpace – Snapshot
Of all the nations deploying and operating PNT satellites in 2018, China…
2018 – PNT Satellites Breakdown – Snapshot
2018 – PNT Satellites Mission Segment Breakdown – Snapshot
Like PNT deployments in previous years, the majority of the 27 PNT satellites deployed in 2018, 81% (21) were for military missions. Four satellites (15% of the total) were deployed for . . .
2018 – Swarm/FCC – Snapshot
January 2018 marked the first time a U.S. communications satellite operator deployed satellites without the…
2018 – Communications Satellites Breakdown – Snapshot
The top three operators of the overall number of communications satellites deployed in 2018 are headquartered in . . .
2018 – EO/RS Meteorology – Snapshot
In 1900, a hurricane defied U.S. Weather Service predictions and destroyed Galveston, Texas. The highest part of the island on which the city rests is about 2.75 meters (9 feet) above sea level. Death toll estimates vary, but at least . . .