NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2001084
SUBJ: SVN51 (PRN20) FORECAST OUTAGE JDAY 193/1745 - JDAY 194/0545
1.     NANU TYPE: FCSTDV
       NANU NUMBER: 2001084
       NANU DTG: 061429Z JUL 2001
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 51
       PRN: 20
       START JDAY: 193
       START TIME ZULU: 1745
       START CALENDAR DATE: 12 JUL 2001
       STOP JDAY: 194
       STOP TIME ZULU: 0545
       STOP CALENDAR DATE: 13 JUL 2001

2.  CONDITION: GPS SATELLITE SVN51 (PRN20) WILL BE UNUSABLE ON JDAY 193
    (12 JUL 2001) BEGINNING 1745 ZULU UNTIL JDAY 194 (13 JUL 2001)
    ENDING 0545 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