NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999065
SUBJ: SVN27 (PRN27) FORECAST OUTAGE RESCHEDULED
1.     NANU TYPE: FCSTRESCD
       NANU NUMBER: 1999065
       NANU DTG: 142146Z MAY 1999
       REFERENCE NANU: 1999064
       REF NANU DTG: 141632Z MAY 1999
       SVN: 27
       PRN: 27
       START JDAY: 139
       START TIME ZULU: 1030
       START CALENDAR DATE: 19 MAY 1999
       STOP JDAY: 139
       STOP TIME ZULU: 2130
       STOP CALENDAR DATE: 19 MAY 1999

2.  CONDITION: GPS SATELLITE SVN27 (PRN27) WILL BE UNUSABLE ON JDAY 139
    (19 MAY 1999) BEGINNING 1030 ZULU UNTIL JDAY 139 (19 MAY 1999)
    ENDING 2130 ZULU. PLEASE REFERENCE NANU NUMBER 1999064
    DTG 141632Z MAY 1999 FOR THE ORIGINAL OUTAGE TIME.

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