NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2006121
SUBJ: SVN51 (PRN20) FORECAST OUTAGE JDAY 300/0600 - JDAY 300/1430
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 2006121
       NANU DTG: 202139Z OCT 2006
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 51
       PRN: 20
       START JDAY: 300
       START TIME ZULU: 0600
       START CALENDAR DATE: 27 OCT 2006
       STOP JDAY: 300
       STOP TIME ZULU: 1430
       STOP CALENDAR DATE: 27 OCT 2006

2.  CONDITION: GPS SATELLITE SVN51 (PRN20) WILL BE UNUSABLE ON JDAY 300
    (27 OCT 2006) BEGINNING 0600 ZULU UNTIL JDAY 300 (27 OCT 2006)
    ENDING 1430 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, SPACEAF.AOC@VANDENBERG.AF.MIL