NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007057
SUBJ: SVN54 (PRN18) FORECAST OUTAGE SUMMARY JDAY 100/1704 - JDAY 100/2124
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2007057
       NANU DTG: 102139Z APR 2007
       REFERENCE NANU: 2007053
       REF NANU DTG: 061804Z APR 2007
       SVN: 54
       PRN: 18
       START JDAY: 100
       START TIME ZULU: 1704
       START CALENDAR DATE: 10 APR 2007
       STOP JDAY: 100
       STOP TIME ZULU: 2124
       STOP CALENDAR DATE: 10 APR 2007

2.  CONDITION: GPS SATELLITE SVN54 (PRN18) WAS UNUSABLE ON JDAY 100
    (10 APR 2007) BEGINNING 1704 ZULU UNTIL JDAY 100 (10 APR 2007)
    ENDING 2124 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