NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025048
SUBJ: SVN51 (PRN20) FORECAST OUTAGE SUMMARY JDAY 184/1944 - JDAY 185/0138
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2025048
       NANU DTG: 040147Z JUL 2025
       REFERENCE NANU: 2025047
       REF NANU DTG: 271721Z JUN 2025
       SVN: 51
       PRN: 20
       START JDAY: 184
       START TIME ZULU: 1944
       START CALENDAR DATE: 03 JUL 2025
       STOP JDAY: 185
       STOP TIME ZULU: 0138
       STOP CALENDAR DATE: 04 JUL 2025

2.  CONDITION: GPS SATELLITE SVN51 (PRN20) WAS UNUSABLE ON JDAY 184
    (03 JUL 2025) BEGINNING 1944 ZULU UNTIL JDAY 185 (04 JUL 2025)
    ENDING 0138 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