NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2002073
SUBJ: SVN21 (PRN21) FORECAST OUTAGE JDAY 151/2145 - JDAY 152/0945
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2002073
       NANU DTG: 241656Z MAY 2002
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 21
       PRN: 21
       START JDAY: 151
       START TIME ZULU: 2145
       START CALENDAR DATE: 31 MAY 2002
       STOP JDAY: 152
       STOP TIME ZULU: 0945
       STOP CALENDAR DATE: 01 JUN 2002

2.  CONDITION: GPS SATELLITE SVN21 (PRN21) WILL BE UNUSABLE ON JDAY 151
    (31 MAY 2002) BEGINNING 2145 ZULU UNTIL JDAY 152 (01 JUN 2002)
    ENDING 0945 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
    MILITARY - GPS Support Center, DSN 560-2541,
    COMM 719-567-6616, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS