NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2017052

SUBJ: SVN55 (PRN15) FORECAST OUTAGE JDAY 166/1820 - JDAY 167/0620

1.     NANU TYPE: FCSTDV

       NANU NUMBER: 2017052

       NANU DTG: 091742Z JUN 2017

       REFERENCE NANU: N/A

       REF NANU DTG: N/A

       SVN: 55

       PRN: 15

       START JDAY: 166

       START TIME ZULU: 1820

       START CALENDAR DATE: 15 JUN 2017

       STOP JDAY: 167

       STOP TIME ZULU: 0620

       STOP CALENDAR DATE: 16 JUN 2017

2.  CONDITION: GPS SATELLITE SVN55 (PRN15) WILL BE UNUSABLE ON JDAY 166

    (15 JUN 2017) BEGINNING 1820 ZULU UNTIL JDAY 167 (16 JUN 2017)

    ENDING 0620 ZULU.

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