NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007041 SUBJ: SVN54 (PRN18) FORECAST OUTAGE SUMMARY JDAY 069/0059 - JDAY 069/1543 1 NANU TYPE: FCSTSUMM NANU NUMBER: 2007041 NANU DTG: 101543Z MAR 2007 REFERENCE NANU: 2007033 REF NANU DTG: 022258Z MAR 2007 SVN: 54 PRN: 18 START JDAY: 069 START TIME ZULU: 0059 START CALENDAR DATE: 10 MAR 2007 STOP JDAY: 069 STOP TIME ZULU: 1543 STOP CALENDAR DATE: 10 MAR 2007

1. CONDITION: GPS SATELLITE SVN54 (PRN18) WAS UNUSABLE ON JDAY 069 (10 MAR 2007) BEGINNING 0059 ZULU UNTIL JDAY 069 (10 MAR 2007) ENDING 1543 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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