NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2020004
SUBJ: SVN74 (PRN04) USABLE JDAY 013/1734 
1.     NANU TYPE: USABINIT
       NANU NUMBER: 2020004
       NANU DTG: 131735Z JAN 2020
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 74
       PRN: 04
       START JDAY: 013
       START TIME ZULU: 1734
       START CALENDAR DATE: 13 JAN 2020
       STOP JDAY: N/A
       STOP TIME ZULU: N/A
       STOP CALENDAR DATE: N/A

2.  CONDITION: GPS SATELLITE SVN74 (PRN04) WAS USABLE AS OF JDAY 013
    (13 JAN 2020) BEGINNING 1734 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