NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026020
SUBJ: SVN52 (PRN31) FORECAST OUTAGE JDAY 057/2300 - JDAY 058/1100
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2026020
       NANU DTG: 210432Z FEB 2026
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 52
       PRN: 31
       START JDAY: 057
       START TIME ZULU: 2300
       START CALENDAR DATE: 26 FEB 2026
       STOP JDAY: 058
       STOP TIME ZULU: 1100
       STOP CALENDAR DATE: 27 FEB 2026

2.  CONDITION: GPS SATELLITE SVN52 (PRN31) WILL BE UNUSABLE ON JDAY 057
    (26 FEB 2026) BEGINNING 2300 ZULU UNTIL JDAY 058 (27 FEB 2026)
    ENDING 1100 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, 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 - JOINT SPACE OPERATIONS CENTER, DSN 276-3526, 
    COMM 805-605-3526, JSPOCCOMBATOPS@SPACEFORCE.MIL