NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025081
SUBJ: SVN64 (PRN30) FORECAST OUTAGE JDAY 350/1915 - JDAY 351/0715
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2025081
       NANU DTG: 121714Z DEC 2025
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 64
       PRN: 30
       START JDAY: 350
       START TIME ZULU: 1915
       START CALENDAR DATE: 16 DEC 2025
       STOP JDAY: 351
       STOP TIME ZULU: 0715
       STOP CALENDAR DATE: 17 DEC 2025

2.  CONDITION: GPS SATELLITE SVN64 (PRN30) WILL BE UNUSABLE ON JDAY 350
    (16 DEC 2025) BEGINNING 1915 ZULU UNTIL JDAY 351 (17 DEC 2025)
    ENDING 0715 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