No audio available for this content. The GPS Directorate has approved a change to the Navstar GPS Control Segment to User Support Community Interfaces ICD-GPS-240 and ICD-GPS-870, reports the U.S.

A joint U.S. Air Force/Lockheed Martin [NYSE: LMT] team announced today that the first modernized Global Positioning System (GPS) satellite has been declared fully operational for GPS users around the ...

The Air Force Space and Missile Systems Center has published minutes for the 2020 Public Interface Control Working Group (PICWG) and Open Public Forum help on Sept. 30, 2020, for the following NAVSTAR ...

The signals broadcast by Navstar GPS and Galileo are not straightforward. The GPS legacy signals, broadcast by its existing orbiting blocks, I, II, IIA and IIR are three signals on two frequencies, L1 ...

overall performance of the GPS constellation. The company has delivered nine more of these satellites to the Navstar GPS Joint Program Office, Space and Missile Systems Center, to sustain the GPS ...