NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1998180
SUBJ: SVN43 (PRN13) FORECAST OUTAGE JDAY 356/1300 - JDAY 357/0600
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 1998180
       NANU DTG: 162241Z DEC 1998
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 43
       PRN: 13
       START JDAY: 356
       START TIME ZULU: 1300
       START CALENDAR DATE: 22 DEC 1998
       STOP JDAY: 357
       STOP TIME ZULU: 0600
       STOP CALENDAR DATE: 23 DEC 1998

2.  CONDITION: GPS SATELLITE SVN43 (PRN13) WILL BE UNUSABLE ON JDAY 356
    (22 DEC 1998) BEGINNING 1300 ZULU UNTIL JDAY 357 (23 DEC 1998)
    ENDING 0600 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