NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019093
SUBJ: SVN57 (PRN29) UNUSABLE JDAY 175/1628 - JDAY 175/1634
1.     NANU TYPE: UNUNOREF
       NANU NUMBER: 2019093
       NANU DTG: 241633Z JUN 2019
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 57
       PRN: 29
       START JDAY: 175
       START TIME ZULU: 1628
       START CALENDAR DATE: 24 JUN 2019
       STOP JDAY: 175
       STOP TIME ZULU: 1634
       STOP CALENDAR DATE: 24 JUN 2019

2.  CONDITION: GPS SATELLITE SVN57 (PRN29) WAS UNUSABLE ON JDAY 175
    (24 JUN 2019) BEGINNING 1628 ZULU UNTIL JDAY 175 (24 JUN 2019)
    ENDING 1634 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