NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009015 SUBJ: SVN27 (PRN27) FORECAST OUTAGE SUMMARY JDAY 057/0432 - JDAY 057/0544 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2009015 NANU DTG: 260602Z FEB 2009 REFERENCE NANU: 2009009 REF NANU DTG: 172107Z FEB 2009 SVN: 27 PRN: 27 START JDAY: 057 START TIME ZULU: 0432 START CALENDAR DATE: 26 FEB 2009 STOP JDAY: 057 STOP TIME ZULU: 0544 STOP CALENDAR DATE: 26 FEB 2009 2. CONDITION: GPS SATELLITE SVN27 (PRN27) WAS UNUSABLE ON JDAY 057 (26 FEB 2009) BEGINNING 0432 ZULU UNTIL JDAY 057 (26 FEB 2009) ENDING 0544 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