NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026075
SUBJ: SVN80 (PRN01) FORECAST OUTAGE SUMMARY JDAY 261/0309 - JDAY 261/0836
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2026075
       NANU DTG: 180835Z SEP 2026
       REFERENCE NANU: 2026073
       REF NANU DTG: 111604Z SEP 2026
       SVN: 80
       PRN: 01
       START JDAY: 261
       START TIME ZULU: 0309
       START CALENDAR DATE: 18 SEP 2026
       STOP JDAY: 261
       STOP TIME ZULU: 0836
       STOP CALENDAR DATE: 18 SEP 2026

2.  CONDITION: GPS SATELLITE SVN80 (PRN01) WAS UNUSABLE ON JDAY 261
    (18 SEP 2026) BEGINNING 0309 ZULU UNTIL JDAY 261 (18 SEP 2026)
    ENDING 0836 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