NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007016 SUBJ: SVN58 (PRN12) FORECAST OUTAGE JDAY 020/0000 - JDAY 020/1800 1. NANU TYPE: FCSTMX NANU NUMBER: 2007016 NANU DTG: 152140Z JAN 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 58 PRN: 12 START JDAY: 020 START TIME ZULU: 0000 START CALENDAR DATE: 20 JAN 2007 STOP JDAY: 020 STOP TIME ZULU: 1800 STOP CALENDAR DATE: 20 JAN 2007 2. CONDITION: GPS SATELLITE SVN58 (PRN12) WILL BE UNUSABLE ON JDAY 020 (20 JAN 2007) BEGINNING 0000 ZULU UNTIL JDAY 020 (20 JAN 2007) ENDING 1800 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, SPACEAF.AOC@VANDENBERG.AF.MIL