NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026074
SUBJ: SVN83 (PRN13) FORECAST OUTAGE SUMMARY JDAY 258/1910 - JDAY 259/0149
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2026074
       NANU DTG: 160153Z SEP 2026
       REFERENCE NANU: 2026071
       REF NANU DTG: 092142Z SEP 2026
       SVN: 83
       PRN: 13
       START JDAY: 258
       START TIME ZULU: 1910
       START CALENDAR DATE: 15 SEP 2026
       STOP JDAY: 259
       STOP TIME ZULU: 0149
       STOP CALENDAR DATE: 16 SEP 2026

2.  CONDITION: GPS SATELLITE SVN83 (PRN13) WAS UNUSABLE ON JDAY 258
    (15 SEP 2026) BEGINNING 1910 ZULU UNTIL JDAY 259 (16 SEP 2026)
    ENDING 0149 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 866-944-5748, HTTPS://WWW.NAVCEN.USCG.GOV
    MILITARY - GLOBAL WARFIGHTER COLLABORATION CELL at HTTPS://GWCC-WS.CCE.AF.MIL/, DSN 560-2541,
    COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GWCC-WS.CCE.AF.MIL 
    MILITARY ALTERNATE - COMBINED SPACE OPERATIONS CENTER, DSN 276-3526, 
    COMM 805-605-3526, JSPOCCOMBATOPS@SPACEFORCE.MIL