NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026061
SUBJ: SVN57 (PRN29) FORECAST OUTAGE JDAY 223/1400 - JDAY 224/0000
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 2026061
       NANU DTG: 101439Z AUG 2026
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 57
       PRN: 29
       START JDAY: 223
       START TIME ZULU: 1400
       START CALENDAR DATE: 11 AUG 2026
       STOP JDAY: 224
       STOP TIME ZULU: 0000
       STOP CALENDAR DATE: 12 AUG 2026

2.  CONDITION: GPS SATELLITE SVN57 (PRN29) WILL BE UNUSABLE ON JDAY 223
    (11 AUG 2026) BEGINNING 1400 ZULU UNTIL JDAY 224 (12 AUG 2026)
    ENDING 0000 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