NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010073
SUBJ: SVN54 (PRN18) FORECAST OUTAGE JDAY 111/1400 - JDAY 112/0200
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 2010073
       NANU DTG: 161702Z APR 2010
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 54
       PRN: 18
       START JDAY: 111
       START TIME ZULU: 1400
       START CALENDAR DATE: 21 APR 2010
       STOP JDAY: 112
       STOP TIME ZULU: 0200
       STOP CALENDAR DATE: 22 APR 2010

2.  CONDITION: GPS SATELLITE SVN54 (PRN18) WILL BE UNUSABLE ON JDAY 111
    (21 APR 2010) BEGINNING 1400 ZULU UNTIL JDAY 112 (22 APR 2010)
    ENDING 0200 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://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