NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007056 SUBJ: SVN60 (PRN23) UNUSABLE JDAY 096/1942 - JDAY 096/2044 1 NANU TYPE: UNUSABLE NANU NUMBER: 2007056 NANU DTG: 062046Z APR 2007 REFERENCE NANU: 2007055 REF NANU DTG: 061944Z APR 2007 SVN: 60 PRN: 23 START JDAY: 096 START TIME ZULU: 1942 START CALENDAR DATE: 06 APR 2007 STOP JDAY: 096 STOP TIME ZULU: 2044 STOP CALENDAR DATE: 06 APR 2007

1. CONDITION: GPS SATELLITE SVN60 (PRN23) WAS UNUSABLE ON JDAY 096 (06 APR 2007) BEGINNING 1942 ZULU UNTIL JDAY 096 (06 APR 2007) ENDING 2044 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, JSPOCCOMBATOPS@VANDENBERG AF MIL

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