NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008031 SUBJ: SVN25 (PRN25) FORECAST OUTAGE SUMMARY JDAY 077/2226 - JDAY 078/0219 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2008031 NANU DTG: 180233Z MAR 2008 REFERENCE NANU: 2008027 REF NANU DTG: 122215Z MAR 2008 SVN: 25 PRN: 25 START JDAY: 077 START TIME ZULU: 2226 START CALENDAR DATE: 17 MAR 2008 STOP JDAY: 078 STOP TIME ZULU: 0219 STOP CALENDAR DATE: 18 MAR 2008 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 077 (17 MAR 2008) BEGINNING 2226 ZULU UNTIL JDAY 078 (18 MAR 2008) ENDING 0219 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