NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011032
SUBJ: SVN57 (PRN29) FORECAST OUTAGE JDAY 111/0645 - JDAY 111/1845
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2011032
       NANU DTG: 151821Z APR 2011
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 57
       PRN: 29
       START JDAY: 111
       START TIME ZULU: 0645
       START CALENDAR DATE: 21 APR 2011
       STOP JDAY: 111
       STOP TIME ZULU: 1845
       STOP CALENDAR DATE: 21 APR 2011

2.  CONDITION: GPS SATELLITE SVN57 (PRN29) WILL BE UNUSABLE ON JDAY 111
    (21 APR 2011) BEGINNING 0645 ZULU UNTIL JDAY 111 (21 APR 2011)
    ENDING 1845 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV
    MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
    COMM 719-567-2541, gps_support@schriever.af.mil, HTTPS://gps.afspc.af.mil 
    MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, 
    COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL