NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023013

SUBJ: SVN79 (PRN28) USABLE JDAY 047/2056

1. NANU TYPE: USABINIT

       NANU NUMBER: 2023013

       NANU DTG: 162111Z FEB 2023

       REFERENCE NANU: N/A

       REF NANU DTG: N/A

       SVN: 79

       PRN: 28

       START JDAY: 047

       START TIME ZULU: 2056

       START CALENDAR DATE: 16 FEB 2023

       STOP JDAY: N/A

       STOP TIME ZULU: N/A

       STOP CALENDAR DATE: N/A

2. CONDITION: GPS SATELLITE SVN79 (PRN28) WAS USABLE AS OF JDAY 047

    (16 FEB 2023) BEGINNING 2056 ZULU.

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

    MILITARY - GPS WARFIGHTER COLLABORATION CELL 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