NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999017
SUBJ: SVN26 (PRN26) FORECAST OUTAGE JDAY 050/1700 - JDAY 051/0500
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 1999017
       NANU DTG: 112121Z FEB 1999
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 26
       PRN: 26
       START JDAY: 050
       START TIME ZULU: 1700
       START CALENDAR DATE: 19 FEB 1999
       STOP JDAY: 051
       STOP TIME ZULU: 0500
       STOP CALENDAR DATE: 20 FEB 1999

2.  CONDITION: GPS SATELLITE SVN26 (PRN26) WILL BE UNUSABLE ON JDAY 050
    (19 FEB 1999) BEGINNING 1700 ZULU UNTIL JDAY 051 (20 FEB 1999)
    ENDING 0500 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