% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078)
     220
     173
     129
     138
     420
    1606
    1623
    1921
    1249
    1142
     844
     755
     736
     680
     620
     420
     466
     405
     379
     341
     385
     419
     344
     311
     391
     328
     266
     279
     259
     181
     173
     236
     181
     159
     128
     144
     150
     144
     102
      80
      82
      55
      74
      86
      85
      93
      38
     -69
      46
      43
      44
      27
      34
      47
      28
     -35
     -36
      34
     -48
     -42
      15
     -35
     -54
     -38