2018 – PNT Satellites Breakdown – Snapshot

Of the 146 PNT satellites in Earth orbit during 2018, 101 were operational, up 11% from 2017’s total of 91 operational PNT satellites. The U.S. maintained the highest share of operational PNT satellites, slightly above 30%, with its Global Positioning System (GPS) constellation. The Russian GLONASS ...

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