NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023048
SUBJ: SVN55 (PRN15) UNUSABLE JDAY 234/1611 - JDAY 235/1446
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2023048
       NANU DTG: 231449Z AUG 2023
       REFERENCE NANU: 2023047
       REF NANU DTG: 221631Z AUG 2023
       SVN: 55
       PRN: 15
       START JDAY: 234
       START TIME ZULU: 1611
       START CALENDAR DATE: 22 AUG 2023
       STOP JDAY: 235
       STOP TIME ZULU: 1446
       STOP CALENDAR DATE: 23 AUG 2023

2.  CONDITION: GPS SATELLITE SVN55 (PRN15) WAS UNUSABLE ON JDAY 234
    (22 AUG 2023) BEGINNING 1611 ZULU UNTIL JDAY 235 (23 AUG 2023)
    ENDING 1446 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