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2017 – GPS – Snapshot

The U.S. Air Force (USAF) managed 31 operational GPS satellites during 2017, seven more than the minimum 24 GPS satellites required for effective operations. Even though the U.S. number of . . .

2017 – European Spaceports – Snapshot

The European Space Agency (ESA) uses a single spaceport, the Guiana Space Centre (CSG) in Kourou, French Guiana. Orbital launch provider Arianespace carried out all…

2017 – GLONASS – Snapshot

Russia’s share of operational PNT satellites increased from 21% in 2016 to 26% in 2017. Operating the Global Navigation Satellite System (GLONASS), the nation was tied with . . .