NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2006058 SUBJ: SVN25 (PRN25) UNUSABLE JDAY 138/0647 - JDAY 179/2343 1 NANU TYPE: UNUSABLE NANU NUMBER: 2006058 NANU DTG: 282345Z JUN 2006 REFERENCE NANU: 2006046 REF NANU DTG: 180649Z MAY 2006 SVN: 25 PRN: 25 START JDAY: 138 START TIME ZULU: 0647 START CALENDAR DATE: 18 MAY 2006 STOP JDAY: 179 STOP TIME ZULU: 2343 STOP CALENDAR DATE: 28 JUN 2006

1. CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 138 (18 MAY 2006) BEGINNING 0647 ZULU UNTIL JDAY 179 (28 JUN 2006) ENDING 2343 ZULU

2. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW NAVCEN USCG GOV MILITARY - GPS OPERATIONS CENTER at HTTP://WWW SCHRIEVER AF MIL/GPSSUPPORTCENTER, DSN 560-2541, COMM 719-567-2541, gps_support@schriever af mil, HTTP://WWW SCHRIEVER 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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