NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007117 SUBJ: SVN27 (PRN27) FORECAST OUTAGE JDAY 284/1330 - JDAY 285/0130 1. NANU TYPE: FCSTMX NANU NUMBER: 2007117 NANU DTG: 051617Z OCT 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 27 PRN: 27 START JDAY: 284 START TIME ZULU: 1330 START CALENDAR DATE: 11 OCT 2007 STOP JDAY: 285 STOP TIME ZULU: 0130 STOP CALENDAR DATE: 12 OCT 2007 2. CONDITION: GPS SATELLITE SVN27 (PRN27) WILL BE UNUSABLE ON JDAY 284 (11 OCT 2007) BEGINNING 1330 ZULU UNTIL JDAY 285 (12 OCT 2007) ENDING 0130 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