% 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)
      70
      72
      61
     -24
     179
     137
     441
     524
     372
     180
     360
     546
     781
     822
     665
     493
     529
     461
     359
     377
     357
     361
     305
     283
     248
     296
     220
     198
     229
     190
     200
     138
     136
     153
     139
     113
     120
     130
     145
     121
     111
      96
      91
      79
      64
      67
      50
      56
      46
      43
      19
      27
      30
     -31
     -34
      -8
     -19
     -11
      -5
      24
     -20
     -28
     -23
     -36