NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019025
SUBJ: SVN34 (PRN18) UNUSABLE JDAY 050/0638 - JDAY 050/0639
1.     NANU TYPE: UNUNOREF
       NANU NUMBER: 2019025
       NANU DTG: 190707Z FEB 2019
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 34
       PRN: 18
       START JDAY: 050
       START TIME ZULU: 0638
       START CALENDAR DATE: 19 FEB 2019
       STOP JDAY: 050
       STOP TIME ZULU: 0639
       STOP CALENDAR DATE: 19 FEB 2019

2.  CONDITION: GPS SATELLITE SVN34 (PRN18) WAS UNUSABLE ON JDAY 050
    (19 FEB 2019) BEGINNING 0638 ZULU UNTIL JDAY 050 (19 FEB 2019)
    ENDING 0639 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