NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012020 SUBJ: SVN27 (PRN27) FORECAST OUTAGE SUMMARY JDAY 086/1418 - JDAY 086/1556 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2012020 NANU DTG: 261609Z MAR 2012 REFERENCE NANU: 2012019 REF NANU DTG: 192031Z MAR 2012 SVN: 27 PRN: 27 START JDAY: 086 START TIME ZULU: 1418 START CALENDAR DATE: 26 MAR 2012 STOP JDAY: 086 STOP TIME ZULU: 1556 STOP CALENDAR DATE: 26 MAR 2012 2. CONDITION: GPS SATELLITE SVN27 (PRN27) WAS UNUSABLE ON JDAY 086 (26 MAR 2012) BEGINNING 1418 ZULU UNTIL JDAY 086 (26 MAR 2012) ENDING 1556 ZULU. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL