NOTICE ADVISORY TO NAVSTAR USERS (NANU) 1999003
SUBJ: SVN31 (PRN31) UNUSABLE JDAY 011/0026 - JDAY 011/0026
1.     NANU TYPE: UNUSABLE
       NANU NUMBER: 1999003
       NANU DTG: 110128Z JAN 1999    
       REFERENCE NANU: 1999002   
       REF NANU DTG: 110118Z JAN 1999    
       SVN: 31
       PRN: 31
       START JDAY: 011  
       START TIME ZULU: 0026  
       START CALENDER DATE: 11 JAN 1999
       STOP JDAY: 011            
       STOP TIME ZULU: 0026  
       STOP CALENDER DATE: 11 JAN 1999    

2.  CONDITION: GPS SATELLITE SVN31 (PRN31) WAS UNUSABLE ON JDAY 011
    (11 JAN 1999) BEGINNING 0026 ZULU UNTIL JDAY 011 (11 JAN 1999)
    ENDING 0026 ZULU.

3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.MIL
    MILITARY - LT BRIAN BARKER, 2 SOPS NAVIGATION ANALYST, DSN 560-6378,
    COMM 719-567-6378, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS.

4.  THIS IS A CORRECTED VERSION OF NANU 1999196 IN ACCORDANCE WITH THE NEW YEAR. 
    ALSO, IT WAS DETERMINED THAT THE VEHICLE WAS NOT OFF THE AIR AT THE TIMES
    INDICATED IN NANU 1999196.