All CGSIC, GENERAL MESSAGE TO ALL GPS USERS NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2018042 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** ON APPROXIMATELY 10 OCT 2018 SVN36 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN04. AT L-BAND ACTIVATION, SVN36/PRN04 WILL BE UNUSABLE UNTIL FURTHER NOTICE.  ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN36/PRN04 UNTIL FURTHER NOTICE. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT […]

All CGSIC, 58th meeting of the U.S. Civil GPS Service Interface Committee The U.S. Department of Transportation (DOT) and the Coast Guard Navigation Center (NAVCEN) will host the 58th meeting of the Civil Global Positioning System Service Interface Committee (CGSIC), Sept. 24-25, 2018, at the Hyatt Regency Miami in Miami, FL. CGSIC meetings are free and open to the public.  DOT serves as the civil lead for the GPS and chairs the CGSIC in this capacity. NAVCEN is […]

All CGSIC, Reports of GPS Problems Submitted by the Public are Now Available on Coast Guard Navigation Center Website To provide better service and situational awareness to the public, the U.S. Coast Guard Navigation Center (NAVCEN) is now publishing reports of GPS problems on its website. Any notes about problem resolution, if available, will also be listed. The website will be updated as new reports are received and processed. All reports made in 2018 are now available. […]

All CGSIC, No Leap Second December 2018 On July 5th, 2018, Christian Bizourd, Director, Earth Orientation Center of IERS, Observatoire de Paris, France, announced that NO leap second will be introduced at the end of December 2018. Leap seconds can be introduced in UTC at the end of the months of December or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every six months, either to announce a time step in UTC, or to confirm that there will be no […]

All CGSIC: GPS III Space Vehicle No. 1 “Vespucci” Arrives in Florida, Prepares for December Launch Los Angeles Air Force Base 23 August 2018 The U.S. Air Force’s Space and Missile Systems Center (SMC) Global Positioning Systems (GPS) Directorate achieved a major program milestone Aug. 21, successfully delivering the first GPS III satellite to Cape Canaveral Air Force Station, Florida to begin launch processing. “The shipment of the first GPS III satellite to the launch […]