NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2022021
SUBJ: SVN53 (PRN17) FORECAST OUTAGE SUMMARY JDAY 111/1613 - JDAY 111/2114
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2022021
       NANU DTG: 212115Z APR 2022
       REFERENCE NANU: 2022020
       REF NANU DTG: 180245Z APR 2022
       SVN: 53
       PRN: 17
       START JDAY: 111
       START TIME ZULU: 1613
       START CALENDAR DATE: 21 APR 2022
       STOP JDAY: 111
       STOP TIME ZULU: 2114
       STOP CALENDAR DATE: 21 APR 2022

2.  CONDITION: GPS SATELLITE SVN53 (PRN17) WAS UNUSABLE ON JDAY 111
    (21 APR 2022) BEGINNING 1613 ZULU UNTIL JDAY 111 (21 APR 2022)
    ENDING 2114 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
    MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
    COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL 
    MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3526. COMM 805-606-3526.
   JSPOCCOMBATOPS@US.AF.MIL