NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012021
SUBJ: SVN55 (PRN15) FORECAST OUTAGE JDAY 103/1200 - JDAY 103/2330
1.     NANU TYPE: FCSTDV
      NANU NUMBER: 2012021
      NANU DTG: 062024Z APR 2012
      REFERENCE NANU: N/A
      REF NANU DTG: N/A
      SVN: 55
      PRN: 15
      START JDAY: 103
      START TIME ZULU: 1200
      START CALENDAR DATE: 12 APR 2012
      STOP JDAY: 103
      STOP TIME ZULU: 2330
      STOP CALENDAR DATE: 12 APR 2012

2.  CONDITION: GPS SATELLITE SVN55 (PRN15) WILL BE UNUSABLE ON JDAY 103
   (12 APR 2012) BEGINNING 1200 ZULU UNTIL JDAY 103 (12 APR 2012)
   ENDING 2330 ZULU.

3.  POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV
   MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
   COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL
   MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
   COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL

David Cottle

UBB Owner & Administrator