NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2006165 SUBJ: SVN53 (PRN17) FORECAST OUTAGE SUMMARY JDAY 354/1431 - JDAY 354/1607 1 NANU TYPE: FCSTSUMM NANU NUMBER: 2006165 NANU DTG: 201613Z DEC 2006 REFERENCE NANU: 2006162 REF NANU DTG: 152024Z DEC 2006 SVN: 53 PRN: 17 START JDAY: 354 START TIME ZULU: 1431 START CALENDAR DATE: 20 DEC 2006 STOP JDAY: 354 STOP TIME ZULU: 1607 STOP CALENDAR DATE: 20 DEC 2006

1. CONDITION: GPS SATELLITE SVN53 (PRN17) WAS UNUSABLE ON JDAY 354 (20 DEC 2006) BEGINNING 1431 ZULU UNTIL JDAY 354 (20 DEC 2006) ENDING 1607 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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