NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2001144
SUBJ: SVN23 (PRN23) UNUSABLE JDAY 328/1854 - JDAY 328/2339
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 2001144
       NANU DTG: 251555Z NOV 2001
       REFERENCE NANU: N/A
       REF NANU DTG: N/A
       SVN: 23
       PRN: 23
       START JDAY: 328
       START TIME ZULU: 1854
       START CALENDAR DATE: 24 NOV 2001
       STOP JDAY: 328
       STOP TIME ZULU: 2339
       STOP CALENDAR DATE: 24 NOV 2001

2.  CONDITION: GPS SATELLITE SVN23 (PRN23) WAS UNUSABLE ON JDAY 328
    (24 NOV 2001) BEGINNING 1854 ZULU UNTIL JDAY 328 (24 NOV 2001)
    ENDING 2339 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