NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009001 NANU TYPE: GENERAL 
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON 06 JAN 2009, SVN37 DISCONTINUED TRANSMITTING L-BAND. PRN01 IS 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    276-9994, 
     COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL