1.  NAME

  btcal - Calculate bottom tracking corrections

  2.  USAGE

  btcal

  3.  DESCRIPTION

  This Matlab script is an interface for calling function  btcaluv.

  4.  PARAMETERS

  The following paremeters must be edited:

     ref_file
        Output file from refabsbt.

     btrk_file
        Output file from lst_btrk.

     plot_title
        The title of the plot.

     s  The number of adjacent ensembles to average together.

  5.  AUTHORS

  Pierre Jaccard, Geophysical Institute, University of Bergen, 1999