Directory name : 
     ./keof/combinations/1997/

Directory contents :
     _README_
          this file (text file)

     comb97.eop
          values at midnight of polar motion, UT1, and their rates
          spanning January 20.0, 1962 to January 1.0, 1998
          at 5-day intervals (text file)

     comb97.lod
          values at midnight of non-tidal length-of-day changes
          spanning January 20.0, 1962 to January 1.0, 1998
          at 5-day intervals (text file)

     lunar97.lod
          values at midyear of non-tidal length-of-day changes
          spanning 1832.5 to 1997.5 at 1-year intervals (text file)

     pole97.pm
          values of polar motion and its rate-of-change
          spanning January 20, 1900 to December 21, 1997
          at 30.4375-day intervals (text file)

     space97.eop
          values at midnight of polar motion, UT1, and their rates
          spanning September 28.0, 1976 to January 3.0, 1998
          at 1-day intervals (text file)

     space97_midnight.lod
          values at midnight of non-tidal length-of-day changes
          spanning September 28.0, 1976 to January 3.0, 1998
          at 1-day intervals (text file)

     space97_noon.lod
          values at noon of non-tidal length-of-day changes
          spanning September 28.5, 1976 to January 3.5, 1998
          at 1-day intervals (text file)