NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008105 SUBJ: SVN25 (PRN25) UNUSABLE JDAY 239/2219 - JDAY 260/0014 1. NANU TYPE: UNUSABLE NANU NUMBER: 2008105 NANU DTG: 160020Z SEP 2008 REFERENCE NANU: 2008092 REF NANU DTG: 262231Z AUG 2008 SVN: 25 PRN: 25 START JDAY: 239 START TIME ZULU: 2219 START CALENDAR DATE: 26 AUG 2008 STOP JDAY: 260 STOP TIME ZULU: 0014 STOP CALENDAR DATE: 16 SEP 2008 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 239 (26 AUG 2008) BEGINNING 2219 ZULU UNTIL JDAY 260 (16 SEP 2008) ENDING 0014 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 MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994, COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL