NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999088
SUBJ: SVN25 (PRN25) UNUSABLE JDAY 162/1317 - JDAY 162/1339
1.     NANU TYPE: UNUNOREF
       NANU NUMBER: 1999088
       NANU DTG: 111533Z JUN 1999
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 25
       PRN: 25
       START JDAY: 162
       START TIME ZULU: 1317
       START CALENDAR DATE: 11 JUN 1999
       STOP JDAY: 162
       STOP TIME ZULU: 1339
       STOP CALENDAR DATE: 11 JUN 1999

2.  CONDITION: GPS SATELLITE SVN25 (PRN25) WAS UNUSABLE ON JDAY 162
    (11 JUN 1999) BEGINNING 1317 ZULU UNTIL JDAY 162 (11 JUN 1999)
    ENDING 1339 ZULU.

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