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GPS Satellite PRN25 Decommissioned

December 18, 2009


2009130--------------------------
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009130
SUBJ: SVN25 (PRN25) UNUSABLE JDAY 352/1522 - UNTIL FURTHER NOTICE
1.     NANU TYPE: UNUSUFN
       NANU NUMBER: 2009130
       NANU DTG: 181525Z DEC 2009
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 25
       PRN: 25
       START JDAY: 352
       START TIME ZULU: 1522
       START CALENDAR DATE: 18 DEC 2009
       STOP JDAY: UFN
       STOP TIME ZULU: N/A
       STOP CALENDAR DATE: N/A

2.  CONDITION: GPS SATELLITE SVN25 (PRN25) WILL BE UNUSABLE ON JDAY 352
    (18 DEC 2009) BEGINNING 1522 ZULU UNTIL FURTHER NOTICE.

3.  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

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009131 NANU TYPE: GENERAL 
*** GENERAL MESSAGE TO ALL GPS USERS ***
GPS SATELLITE SVN25 (PRN25) WAS SET UNUSABLE ON JDAY 352 (18 DEC 2009) AT 1522Z.  
SVN25 (PRN25) WAS DECOMMISSIONED FROM ACTIVE SERVICE ON JDAY 352 (18 DEC 2009) AT 2228Z.  
PRN25 WILL BE AVAILABLE FOR FUTURE SATELLITE SERVICE.
*** 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