NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009093 SUBJ: SVN54 (PRN18) FORECAST OUTAGE JDAY 305/1300 - JDAY 306/0200 1. NANU TYPE: FCSTMX NANU NUMBER: 2009093 NANU DTG: 161544Z OCT 2009 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 54 PRN: 18 START JDAY: 305 START TIME ZULU: 1300 START CALENDAR DATE: 01 NOV 2009 STOP JDAY: 306 STOP TIME ZULU: 0200 STOP CALENDAR DATE: 02 NOV 2009 2. CONDITION: GPS SATELLITE SVN54 (PRN18) WILL BE UNUSABLE ON JDAY 305 (01 NOV 2009) BEGINNING 1300 ZULU UNTIL JDAY 306 (02 NOV 2009) 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