NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009101 SUBJ: SVN25 (PRN25) UNUSABLE JDAY 299/1338 - UNTIL FURTHER NOTICE 1. NANU TYPE: UNUSUFN NANU NUMBER: 2009101 NANU DTG: 261413Z OCT 2009 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 25 PRN: 25 START JDAY: 299 START TIME ZULU: 1338 START CALENDAR DATE: 26 OCT 2009 STOP JDAY: UFN STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN25 (PRN25) WILL BE UNUSABLE ON JDAY 299 (26 OCT 2009) BEGINNING 1338 ZULU UNTIL FURTHER NOTICE. 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