NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2002061
SUBJ: SVN31 (PRN31) UNUSABLE JDAY 105/1431 - JDAY 113/2018
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2002061
       NANU DTG: 232019Z APR 2002
       REFERENCE NANU: 2002055
       REF NANU DTG: 092102Z APR 2002
       SVN: 31
       PRN: 31
       START JDAY: 105
       START TIME ZULU: 1431
       START CALENDAR DATE: 15 APR 2002
       STOP JDAY: 113
       STOP TIME ZULU: 2018
       STOP CALENDAR DATE: 23 APR 2002

2.  CONDITION: GPS SATELLITE SVN31 (PRN31) WAS UNUSABLE ON JDAY 105
    (15 APR 2002) BEGINNING 1431 ZULU UNTIL JDAY 113 (23 APR 2002)
    ENDING 2018 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
    MILITARY - GPS Support Center, DSN 560-2541,
    COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS