NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009129 NANU TYPE: GENERAL * GENERAL MESSAGE TO ALL GPS USERS On 21 Dec 2009(J355), after 2200z, GPS will transition SVN24 (PRN24) into the broadcast almanac for all satellites The almanac transition, one satellite at a time, will require approximately 24 hours to complete Before, during, and after the transition SVN24 (PRN24) will remain unusable until further notice Future NANUs will notify users of any changes to the above-stated status GENERAL MESSAGE TO ALL GPS USERS *

POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://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, HTTPS://gps afspc af mil MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG AF MIL

NANU one-way mailing list NANU@cgls uscg mil

Subscribe/Unsubscribe: http://cgls uscg mil/mailman/listinfo/nanu

If you would like to report abuse of the CGLS listserv please send an email to: CGLSAdmin@uscg mil

The following information is a reminder of your current mailing list subscription:

You are subscribed to the following list: [list_name]

using the following email: example@example.com

You may automatically unsubscribe from this list at any time by visiting the following URL:

http://www aus-city com/cgi-bin/dada/mail cgi/u/GPS_STATUS/

If the above URL is inoperable, make sure that you have copied the entire address Some mail readers will wrap a long URL and thus break this automatic unsubscribe mechanism

You may also change your subscription by visiting this list's main screen:

<[program_url]/list/[list]>

If you're still having trouble, please contact the list owner at:

<mailto:[list_owner_email]>

The following physical address is associated with this mailing list:

[physical_address]