SpaceX launched the latest in a series of more powerful Global Positioning System navigation satellites, continuing a U.S. Space Force fleet-wide upgrade to provide improved accuracy and anti-jamming capability.
"We currently have four more GPS satellites in our Colorado facility that are available for launch," said Andre Trotter, Lockheed Martin's vice president of navigation systems.
GPS satellites constantly broadcast ultra-precise timing signals from on-board atomic clocks. Military and civilian receivers, in devices ranging from car navigation systems to smart weapons, can calculate their position, velocity and altitude by analyzing slight differences in the signals from multiple satellites.
The GPS 3 satellites also feature enhanced civilian signals, compatibility with other navigation systems and improved search-and-rescue capabilities along with a military channel that's more accurate and jam-proof.An artist's impression of a GPS 3 navigation satellite in orbit with its solar arrays and antennas deployed. / Credit: Lockheed Martin
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