NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1998019
SUBJ: SVN31 (PRN31) FORECAST OUTAGE JDAY 044/0545 - JDAY 044/1745
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 1998019
       NANU DTG: 292239Z JAN 1998
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 31
       PRN: 31
       START JDAY: 044
       START TIME ZULU: 0545
       START CALENDAR DATE: 13 FEB 1998
       STOP JDAY: 044
       STOP TIME ZULU: 1745
       STOP CALENDAR DATE: 13 FEB 1998

2.  CONDITION: GPS SATELLITE SVN31 (PRN31) WILL BE UNUSABLE ON JDAY 044
    (13 FEB 98) BEGINNING 0545 ZULU UNTIL JDAY 044 (13 FEB 98) ENDING 1745 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@FAFB.AF.MIL, HTTP://WWW.FAFB.AF.MIL/GPS