n class="comment">%                   0 (zero) means overall level (total RMS in frequency).</span>
0013 <span class="comment">%                   If Method='peak', or 'Synch', a flattop window is</span>
0014 <span class="comment">%                   assumed to have been used for the spectrum analysis</span>
0015 <span class="comment">%                   when calculating the overall level. The first 4 freq.</span>
0016 <span class="comment">%                   lines are not included in the overall level.</s