span>NSz:<span style="">&nbsp; </span>The number of source
        depths.</p>
      <p style="font-family: monospace;" class="MsoPlainText"><span
          style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



        </span>Sz(): The source depths (m).</p>
      <p style="font-family: monospace;" class="MsoPlainText"><span
          style="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



        </span>NRz:<span style="">&nbsp; </span>The number of receiver
        depths.</p>
    