USA-213
Videos
USA-213, also known as GPS SVN-62, GPS IIF SV-1 and NAVSTAR 65, is the first satellite in the Block IIF series of Global Positioning System navigation satellites. It will be used to relay signals for
Artist's impression of a GPS IIF satellite in orbit
GPS signals
Videos
GPS signals are broadcast by Global Positioning System satellites to enable satellite navigation. Using these signals, receivers on or near the Earth's surface can determine their Position, Velocity a
Artist's conception of GPS Block II-F satellite in Earth orbit
Civilian GPS receiver ("GPS navigation device") in a marine application