NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2001057
SUBJ: SVN13 (PRN02) UNUSABLE JDAY 104/1530 - JDAY 106/0020
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2001057
       NANU DTG: 160120Z APR 2001
       REFERENCE NANU: 2001056
       REF NANU DTG: 141915Z APR 2001
       SVN: 13
       PRN: 02
       START JDAY: 104
       START TIME ZULU: 1530
       START CALENDAR DATE: 14 APR 2001
       STOP JDAY: 106
       STOP TIME ZULU: 0020
       STOP CALENDAR DATE: 16 APR 2001

2.  CONDITION: GPS SATELLITE SVN13 (PRN02) WAS UNUSABLE ON JDAY 104
    (14 APR 2001) BEGINNING 1530 ZULU UNTIL JDAY 106 (16 APR 2001)
    ENDING 0020 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.MIL
    MILITARY - 1LT HERB KNIERIM, 2 SOPS NAVIGATION ANALYST, DSN 560-2744,
    COMM 719-567-2744, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS