NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999054
SUBJ: SVN15 (PRN15) FORECAST OUTAGE JDAY 125/0300 - JDAY 125/1500
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 1999054
       NANU DTG: 271452Z APR 1999
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 15
       PRN: 15
       START JDAY: 125
       START TIME ZULU: 0300
       START CALENDAR DATE: 05 MAY 1999
       STOP JDAY: 125
       STOP TIME ZULU: 1500
       STOP CALENDAR DATE: 05 MAY 1999

2.  CONDITION: GPS SATELLITE SVN15 (PRN15) WILL BE UNUSABLE ON JDAY 125
    (05 MAY 1999) BEGINNING 0300 ZULU UNTIL JDAY 125 (05 MAY 1999)
    ENDING 1500 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