CGSIC Bulletin: 20 JAN 2022, SVN41 will resume transmitting L-band utilizing2.

All CGSIC,

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2022002 NANU TYPE: GENERAL

*** GENERAL MESSAGE TO ALL GPS USERS ***

On approximately 20 JAN 2022, SVN41 will resume transmitting L-band utilizing PRN22.

On 20 JAN 2022, after 2200Z, GPS will transition SVN41 (PRN22) into the broadcast almanac for all satellites:

- The almanac transition, accomplished one satellite at a time, will require approximately 24 hours to complete

- Before, during, and after transition SVN41 (PRN22) will remain unusable until further notice

- Future NANUs will notify users of any changes to the above stated status

*** GENERAL MESSAGE TO ALL GPS USERS ***

   POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV

   MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,

   COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL

   MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3526. COMM 805-606-3526.

   JSPOCCOMBATOPS@US.AF.MIL

Rick Hamilton
CGSIC Executive Secretariat
GPS Information Analysis Team Lead
U.S. Coast Guard Navigation Center
703-313-5930