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