Date: July 27th 2007

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2007085 NANU TYPE: GENERAL * GENERAL MESSAGE TO ALL GPS USERS *

THE GPS COMMUNITY IS CONDUCTING FINAL COORDINATION TO GAIN APPROVAL TO SET SVN23 (PRN32) USABLE, NET JDAY 221 (09 AUG 2007)

ALSO, UPON COMPLETION OF FINAL COORDINATION ACTIVITIES, A LATER NANU WILL PROVIDE A PROJECTED DATE FOR SETTING SVN23 (PRN32) USABLE, AND THIS LATER NANU WILL TRANSMIT NLT 4 DAYS PRIOR TO THE PROJECTED USABLE DATE

IF NECESSARY, ADDITIONAL NANUS WILL NOTIFY USERS OF ANY CHANGES TO THIS PLAN ANYONE EXPERIENCING PROBLEMS OR HAVING ANY CURRENT CONCERNS WITH PRN32 SHOULD CONTACT THE APPROPRIATE AGENCY LISTED BELOW

* GENERAL MESSAGE TO ALL GPS USERS *

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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