NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025054
SUBJ: SVN77 (PRN14) FORECAST OUTAGE SUMMARY JDAY 212/0830 - JDAY 212/1322
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2025054
       NANU DTG: 311329Z JUL 2025
       REFERENCE NANU: 2025053
       REF NANU DTG: 242038Z JUL 2025
       SVN: 77
       PRN: 14
       START JDAY: 212
       START TIME ZULU: 0830
       START CALENDAR DATE: 31 JUL 2025
       STOP JDAY: 212
       STOP TIME ZULU: 1322
       STOP CALENDAR DATE: 31 JUL 2025

2.  CONDITION: GPS SATELLITE SVN77 (PRN14) WAS UNUSABLE ON JDAY 212
    (31 JUL 2025) BEGINNING 0830 ZULU UNTIL JDAY 212 (31 JUL 2025)
    ENDING 1322 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