NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026008
SUBJ: SVN80 (PRN01) UNUSABLE JDAY 013/0827 - JDAY 013/1750
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2026008
       NANU DTG: 131811Z JAN 2026
       REFERENCE NANU: 2026007
       REF NANU DTG: 130838Z JAN 2026
       SVN: 80
       PRN: 01
       START JDAY: 013
       START TIME ZULU: 0827
       START CALENDAR DATE: 13 JAN 2026
       STOP JDAY: 013
       STOP TIME ZULU: 1750
       STOP CALENDAR DATE: 13 JAN 2026

2.  CONDITION: GPS SATELLITE SVN80 (PRN01) WAS UNUSABLE ON JDAY 013
    (13 JAN 2026) BEGINNING 0827 ZULU UNTIL JDAY 013 (13 JAN 2026)
    ENDING 1750 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