NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1998193
SUBJ: SVN31 (PRN31) FORECAST OUTAGE JDAY 014/0930 - JDAY 014/2130
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 1998193
       NANU DTG: 301940Z DEC 1998
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 31
       PRN: 31
       START JDAY: 014
       START TIME ZULU: 0930
       START CALENDAR DATE: 14 JAN 1999
       STOP JDAY: 014
       STOP TIME ZULU: 2130
       STOP CALENDAR DATE: 14 JAN 1999

2.  CONDITION: GPS SATELLITE SVN31 (PRN31) WILL BE UNUSABLE ON JDAY 014
    (14 JAN 1999) BEGINNING 0930 ZULU UNTIL JDAY 014 (14 JAN 1999)
    ENDING 2130 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.MIL
    MILITARY - LT BRIAN BARKER, 2 SOPS NAVIGATION ANALYST, DSN 560-6378,
    COMM 719-567-6378, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS