NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011003 SUBJ: SVN55 (PRN15) FORECAST OUTAGE JDAY 010/1830 - JDAY 011/0630 1. NANU TYPE: FCSTDV NANU NUMBER: 2011003 NANU DTG: 042203Z JAN 2011 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 55 PRN: 15 START JDAY: 010 START TIME ZULU: 1830 START CALENDAR DATE: 10 JAN 2011 STOP JDAY: 011 STOP TIME ZULU: 0630 STOP CALENDAR DATE: 11 JAN 2011 2. CONDITION: GPS SATELLITE SVN55 (PRN15) WILL BE UNUSABLE ON JDAY 010 (10 JAN 2011) BEGINNING 1830 ZULU UNTIL JDAY 011 (11 JAN 2011) ENDING 0630 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, HTTPS://gps.afspc.af.mil MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL