NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010028 SUBJ: SVN60 (PRN23) FORECAST OUTAGE JDAY 049/2100 - JDAY 050/0900 1. NANU TYPE: FCSTMX NANU NUMBER: 2010028 NANU DTG: 122037Z FEB 2010 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 60 PRN: 23 START JDAY: 049 START TIME ZULU: 2100 START CALENDAR DATE: 18 FEB 2010 STOP JDAY: 050 STOP TIME ZULU: 0900 STOP CALENDAR DATE: 19 FEB 2010 2. CONDITION: GPS SATELLITE SVN60 (PRN23) WILL BE UNUSABLE ON JDAY 049 (18 FEB 2010) BEGINNING 2100 ZULU UNTIL JDAY 050 (19 FEB 2010) ENDING 0900 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 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL