NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2001027
SUBJ: SVN54 (PRN18) USABLE JDAY 046/1551
1.     NANU TYPE: USABINIT
       NANU NUMBER: 2001027
       NANU DTG: 151555Z FEB 2001
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 54
       PRN: 18
       START JDAY: 046
       START TIME ZULU: 1551
       START CALENDAR DATE: 15 FEB 2001
       STOP JDAY: N/A
       STOP TIME ZULU: N/A
       STOP CALENDAR DATE: N/A

2.  CONDITION: GPS SATELLITE SVN54 (PRN18) WAS USABLE AS OF JDAY 046
    (15 FEB 2001) BEGINNING 1551 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