On the 16th and 17th of September 2024, the 64th meeting of the U.S. Government’s Civil GPS Service Interface Committee (CGSIC) will be…
Author: CGSIC
64th meeting of the U.S. Civil GPS Service Interface Committee
On the 16th and 17th of September 2024, the 64th meeting of the U.S. Government’s Civil GPS Service Interface Committee (CGSIC) will be…
Updated WGS 84 Reference Frame Available to Worldwide Users of GPS
The Space Force’s 2d Space Operations Squadron (2 SOPS) and the National Geospatial Intelligence Agency’s Global Navigation Satellite System Division (SFNG) worked collaboratively…
Antenna Phase Center Offsets and Timing Group Delay (TGD) and Inter-Signal Correction Values for GPS-III SVN-79
The U.S. Space Force has publicized the Antenna Phase Center Offsets of the L1, L2 and L5 signals for the Earth Coverage (EC)…
CGSIC Bulletin: Virtual Attendance Links: 63rd meeting of the U.S. Civil GPS Service Interface Committee (CGSIC)
63rd meeting of the U.S. Civil GPS Service Interface Committee (CGSIC) On the 11th and 12th of September 2023, the 63rd meeting of…
CGSIC Bulletin: GPS Constellation Change: SVN-63
On 10 July 2023, GPS satellite SVN-63, at D2A in the D plane, experienced a clock anomaly that caused the Space Force’s 2d…
CGSIC Bulletin: 2023 Public Interface Control Working Group and Open Forum Online
Meeting Announcement The Space Force will host the 2023 Public Interface Control Working Group and Open Forum online on September 27, 2023 at 8:30…
CGSIC Bulletin: 63rd meeting of the U.S. Civil GPS Service Interface Committee (CGSIC)
On the 11th and 12th of September 2023, the 63rd meeting of the U.S. government’s Civil GPS Service Interface Committee (CGSIC) will be…
CGSIC Bulletin: Launch of SVN-79-/PRN-28
The sixth GPS-III satellite, GPSIII-06 (SVN-79/PRN-28, successfully launched on 18 January 2023 from Space Launch Complex-40 at Cape Canaveral Air Force Station, Florida….
CGSIC Bulletin: Earth Rotation Service Bulletin C Number 65
No Leap Second INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) Paris, 09 January 2023 Bulletin C 65 To authorities responsible for the measurement…