NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2002011
SUBJ: SVN21 (PRN21) FORECAST OUTAGE SUMMARY JDAY 010/0615 - JDAY 010/1218
1.     NANU TYPE: FCSTSUMM
       NANU NUMBER: 2002011
       NANU DTG: 101219Z JAN 2002
       REFERENCE NANU: 2002002
       REF NANU DTG: 032049Z JAN 2002
       SVN: 21
       PRN: 21
       START JDAY: 010
       START TIME ZULU: 0615
       START CALENDAR DATE: 10 JAN 2002
       STOP JDAY: 010
       STOP TIME ZULU: 1218
       STOP CALENDAR DATE: 10 JAN 2002

2.  CONDITION: GPS SATELLITE SVN21 (PRN21) WAS UNUSABLE ON JDAY 010
    (10 JAN 2002) BEGINNING 0615 ZULU UNTIL JDAY 010 (10 JAN 2002)
    ENDING 1218 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
    MILITARY - CAPT HERB KNIERIM, 2 SOPS NAVIGATION ANALYST, DSN 560-6614,
    COMM 719-567-6614, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS