NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2020043
SUBJ: SVN74 (PRN04) UNUSABLE JDAY 264/0031 - JDAY 264/0547
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2020043
       NANU DTG: 200542Z SEP 2020
       REFERENCE NANU: 2020042
       REF NANU DTG: 200017Z SEP 2020
       SVN: 74
       PRN: 04
       START JDAY: 264
       START TIME ZULU: 0031
       START CALENDAR DATE: 20 SEP 2020
       STOP JDAY: 264
       STOP TIME ZULU: 0547
       STOP CALENDAR DATE: 20 SEP 2020

2.  CONDITION: GPS SATELLITE SVN74 (PRN04) WAS UNUSABLE ON JDAY 264
    (20 SEP 2020) BEGINNING 0031 ZULU UNTIL JDAY 264 (20 SEP 2020)
    ENDING 0547 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 276-3526. COMM 805-606-3526.
   JSPOCCOMBATOPS@US.AF.MIL