% 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)
      69
      48
      64
     223
     616
    1056
     736
     546
     575
     616
     628
     831
     715
     743
     677
     406
     466
     387
     371
     354
     381
     278
     277
     293
     257
     242
     273
     207
     214
     202
     204
     209
     140
     105
     120
     138
     121
      91
     102
      88
     101
      90
      35
      63
      72
      73
      73
      49
      54
     -24
      41
      57
      31
     -47
      26
      24
      33
     -12
     -24
     -35
     -33
     -11
     -31
     -45