NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008007 SUBJ: SVN25 (PRN25) FORECAST OUTAGE SUMMARY JDAY 018/1001 - JDAY 018/1604 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2008007 NANU DTG: 181604Z JAN 2008 REFERENCE NANU: 2008005 REF NANU DTG: 112102Z JAN 2008 SVN: 25 PRN: 25 START JDAY: 018 START TIME ZULU: 1001 START CALENDAR DATE: 18 JAN 2008 STOP JDAY: 018 STOP TIME ZULU: 1604 STOP CALENDAR DATE: 18 JAN 2008 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 018 (18 JAN 2008) BEGINNING 1001 ZULU UNTIL JDAY 018 (18 JAN 2008) ENDING 1604 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