% 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)
      81
      66
      44
      54
     137
     309
     474
    1085
     771
     470
     504
     509
     421
     256
     237
     237
     293
     235
     235
     211
     243
     164
     202
     140
     148
     148
     123
     112
     103
      87
      90
      77
      86
      79
      74
      87
      76
      67
      47
      73
      57
      94
      35
      49
      28
      12
      40
      36
     -13
      32
      32
     -20
     -39
     -17
      52
     -43
     -24
      33
      26
     -34
      19
     -28
     -40
      41