e this:
      'CHARACTER INPUT'. You will see the '/' character in a number of
      the input files. This terminates an input line causing the program
      to use default values.</p>
    <h2>Directory Structure<br>
    </h2>
    <p style="font-family: monospace;"><br>
    </p>
    <ul style="font-family: monospace;">
      <li>AT:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; This is the Acoustics
        Toolbox directory which contains command files for running
        KRAKEN and other models in the toolbox.</li>
     