NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007063
SUBJ: SVN51 (PRN20) FORECAST OUTAGE JDAY 130/1900 - JDAY 131/1030
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2007063
       NANU DTG: 042254Z MAY 2007
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 51
       PRN: 20
       START JDAY: 130
       START TIME ZULU: 1900
       START CALENDAR DATE: 10 MAY 2007
       STOP JDAY: 131
       STOP TIME ZULU: 1030
       STOP CALENDAR DATE: 11 MAY 2007

2.  CONDITION: GPS SATELLITE SVN51 (PRN20) WILL BE UNUSABLE ON JDAY 130
    (10 MAY 2007) BEGINNING 1900 ZULU UNTIL JDAY 131 (11 MAY 2007)
    ENDING 1030 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, HTTP://gps.afspc.af.mil/gps
    MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994,
    COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL