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GPS Modernization

SVN-49 GPS Satellite to Broadcast on L-Band

January 30, 2012


GPS satellite SVN-49 will begin transmitting an L-band signal on Wednesday, February 1, reports Rick Hamilton, executive secretariat of the Civil Global Positioning System Service Interface Committee (CGSIC). SVN-49 will remain declared unusable until further notice, and will not be in the broadcast almanac.

Below is the Notice Advisory:


NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012003 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS *** On approximately 01 FEB 2012 SVN49 will resume transmitting L-band utilizing PRN24. At L-band activation, SVN49/PRN24 will be unusable until further notice. Additionally, no broadcast almanacs will include SVN49/PRN24. Future NANUs will inform 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
 


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