NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2001087
SUBJ: SVN54 (PRN18) FORECAST OUTAGE JDAY 201/1900 - JDAY 202/0700
1.     NANU TYPE: FCSTMX
       NANU NUMBER: 2001087
       NANU DTG: 121213Z JUL 2001
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 54
       PRN: 18
       START JDAY: 201
       START TIME ZULU: 1900
       START CALENDAR DATE: 20 JUL 2001
       STOP JDAY: 202
       STOP TIME ZULU: 0700
       STOP CALENDAR DATE: 21 JUL 2001

2.  CONDITION: GPS SATELLITE SVN54 (PRN18) WILL BE UNUSABLE ON JDAY 201
    (20 JUL 2001) BEGINNING 1900 ZULU UNTIL JDAY 202 (21 JUL 2001)
    ENDING 0700 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