NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008069
SUBJ: SVN51 (PRN20) FORECAST OUTAGE SUMMARY JDAY 200/1634 - JDAY 200/2326
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2008069
       NANU DTG: 190009Z JUL 2008
       REFERENCE NANU: 2008065
       REF NANU DTG: 111801Z JUL 2008
       SVN: 51
       PRN: 20
       START JDAY: 200
       START TIME ZULU: 1634
       START CALENDAR DATE: 18 JUL 2008
       STOP JDAY: 200
       STOP TIME ZULU: 2326
       STOP CALENDAR DATE: 18 JUL 2008

2.  CONDITION: GPS SATELLITE SVN51 (PRN20) WAS UNUSABLE ON JDAY 200
    (18 JUL 2008) BEGINNING 1634 ZULU UNTIL JDAY 200 (18 JUL 2008)
    ENDING 2326 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 
    MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994, 
    COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL