NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026043
SUBJ: SVN66 (PRN27) FORECAST OUTAGE SUMMARY JDAY 128/1800 - JDAY 139/2124
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2026043
       NANU DTG: 192132Z MAY 2026
       REFERENCE NANU: 2026041
       REF NANU DTG: 051924Z MAY 2026
       SVN: 66
       PRN: 27
       START JDAY: 128
       START TIME ZULU: 1800
       START CALENDAR DATE: 08 MAY 2026
       STOP JDAY: 139
       STOP TIME ZULU: 2124
       STOP CALENDAR DATE: 19 MAY 2026

2.  CONDITION: GPS SATELLITE SVN66 (PRN27) WAS UNUSABLE ON JDAY 128
    (08 MAY 2026) BEGINNING 1800 ZULU UNTIL JDAY 139 (19 MAY 2026)
    ENDING 2124 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