NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007020 SUBJ: SVN34 (PRN04) FORECAST OUTAGE JDAY 025/0900 - JDAY 025/2100 1 NANU TYPE: FCSTMX NANU NUMBER: 2007020 NANU DTG: 192120Z JAN 2007 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 34 PRN: 04 START JDAY: 025 START TIME ZULU: 0900 START CALENDAR DATE: 25 JAN 2007 STOP JDAY: 025 STOP TIME ZULU: 2100 STOP CALENDAR DATE: 25 JAN 2007

1. CONDITION: GPS SATELLITE SVN34 (PRN04) WILL BE UNUSABLE ON JDAY 025 (25 JAN 2007) BEGINNING 0900 ZULU UNTIL JDAY 025 (25 JAN 2007) ENDING 2100 ZULU

2. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://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, HTTP://gps afspc af mil/gps MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994, COMM 805-606-9994, SPACEAF AOC@VANDENBERG AF MIL

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