NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025052
SUBJ: SVN53 (PRN17) UNUSABLE JDAY 192/1120 - JDAY 192/1654
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2025052
       NANU DTG: 111657Z JUL 2025
       REFERENCE NANU: 2025051
       REF NANU DTG: 111132Z JUL 2025
       SVN: 53
       PRN: 17
       START JDAY: 192
       START TIME ZULU: 1120
       START CALENDAR DATE: 11 JUL 2025
       STOP JDAY: 192
       STOP TIME ZULU: 1654
       STOP CALENDAR DATE: 11 JUL 2025

2.  CONDITION: GPS SATELLITE SVN53 (PRN17) WAS UNUSABLE ON JDAY 192
    (11 JUL 2025) BEGINNING 1120 ZULU UNTIL JDAY 192 (11 JUL 2025)
    ENDING 1654 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
    MILITARY - GPS WARFIGHTER COLLABORATION CELL at HTTPS://GWCC-WS.CCE.AF.MIL/GPSOC, DSN 560-2541,
    COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GWCC-WS.CCE.AF.MIL 
    MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3526. COMM 805-606-3526.
   JSPOCCOMBATOPS@US.AF.MIL