NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019091
SUBJ: SVN61 (PRN02) UNUSABLE JDAY 174/1350 - JDAY 174/1503
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2019091
       NANU DTG: 231504Z JUN 2019
       REFERENCE NANU: 2019090
       REF NANU DTG: 231356Z JUN 2019
       SVN: 61
       PRN: 02
       START JDAY: 174
       START TIME ZULU: 1350
       START CALENDAR DATE: 23 JUN 2019
       STOP JDAY: 174
       STOP TIME ZULU: 1503
       STOP CALENDAR DATE: 23 JUN 2019

2.  CONDITION: GPS SATELLITE SVN61 (PRN02) WAS UNUSABLE ON JDAY 174
    (23 JUN 2019) BEGINNING 1350 ZULU UNTIL JDAY 174 (23 JUN 2019)
    ENDING 1503 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