NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009055 SUBJ: SVN50 (PRN05) USABLE JDAY 239/1440 1. NANU TYPE: USABINIT NANU NUMBER: 2009055 NANU DTG: 271449Z AUG 2009 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 50 PRN: 05 START JDAY: 239 START TIME ZULU: 1440 START CALENDAR DATE: 27 AUG 2009 STOP JDAY: N/A STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN50 (PRN05) WAS USABLE AS OF JDAY 239 (27 AUG 2009) BEGINNING 1440 ZULU. 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 276-9994, COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL