NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019149
SUBJ: SVN34 (PRN18) UNUSABLE JDAY 256/1522 - JDAY 256/1524
1.     NANU TYPE: UNUNOREF
       NANU NUMBER: 2019149
       NANU DTG: 131532Z SEP 2019
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 34
       PRN: 18
       START JDAY: 256
       START TIME ZULU: 1522
       START CALENDAR DATE: 13 SEP 2019
       STOP JDAY: 256
       STOP TIME ZULU: 1524
       STOP CALENDAR DATE: 13 SEP 2019

2.  CONDITION: GPS SATELLITE SVN34 (PRN18) WAS UNUSABLE ON JDAY 256
    (13 SEP 2019) BEGINNING 1522 ZULU UNTIL JDAY 256 (13 SEP 2019)
    ENDING 1524 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