NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019104 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
On approximately 18 JUL 2019 SVN36 will resume transmitting L-band utilizing PRN04.
At L-band activation, SVN36/PRN04 will be unusable until further notice. Additionally, no
broadcast almanacs will include SVN36/PRN04 until further notice.
*** GENERAL MESSAGE TO ALL GPS USERS ***

   POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
   MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
   COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL 
   MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN    276-3514, 
   COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL