Before revision: The satellites are in six specific orbits and transmit highly accurate time and satellite location information which can be used to derive distances and triangulate URL Radar/Infrared/Laser : This form of navigation provides information to guidance relative to a known target, it has both civilian (ex rendezvous) and military applications.
After revision: The satellites are in six specific orbits and transmit highly accurate time and satellite location information which can be used to derive distances and calculate URL Radar/Infrared/Laser : This form of navigation provides information to guidance relative to a known target, it has both civilian (ex rendezvous) and military applications.