63rd meeting of the U.S. Civil GPS Service Interface Committee (CGSIC) On the 11th and 12th of September 2023, the 63rd meeting of…
Author: CGSIC
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…
CGSIC Bulletin: 2022 Public Interface Control Working Group
***Updated Meeting Date***
Meeting Announcement The Space Force will host the 2022 Public Interface Control Working Group and Open Forum for the following documents on October…
CGSIC Bulletin: GPS-III Satellite Antenna Patterns for SVN-74 through SVN-78
All CGSIC, The U.S. government’s GPS program has released key technical data for the first five GPS III satellite vehicles, SVN-74 through SVN-78,…
CGSIC Bulletin: Password for CGSIC Meetings in Denver
The Commanding Officer and staff from the U.S. Coast Guard Navigation Center along with the CGSIC Chair from the U.S. Department of Transportation…
CGSIC Bulletin: 62nd meeting of the U.S. Civil GPS Service Interface Committee (CGSIC)
On the 19th and 20th of September, 2022, the 62th meeting of the U.S. government’s Civil GPS Service Interface Committee (CGSIC) will be…