NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2018009
SUBJ: SVN54 (PRN18) DECOMMISSIONING JDAY 064/2200 
1.    NANU TYPE: DECOM
       NANU NUMBER: 2018009
       NANU DTG: 052211Z MAR 2018
       REFERENCE NANU: 2018001
       REF NANU DTG: 231656Z JAN 2018
       SVN: 54
       PRN: 18
       UNUSABLE START JDAY: 023
       UNUSABLE START TIME ZULU: 1650
       UNUSABLE START CALENDAR DATE: 23 JAN 2018
       DECOMMISSIONING JDAY: 064
       DECOMMISSIONING TIME ZULU: 2200
       DECOMMISSIONING CALENDAR DATE: 05 MAR 2018

2.  CONDITION: GPS SATELLITE SVN54 (PRN18) WAS UNUSABLE AS OF JDAY 023 (23 JAN 2018)
     AND REMOVED FROM THE GPS CONSTELLATION ON JDAY 064 (05 MAR 2018).

3.  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