% 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)
      91
      55
      51
      55
      94
     187
     457
     400
     202
     202
     375
     925
     815
     663
     603
     418
     312
     312
     279
     356
     275
     354
     342
     289
     297
     226
     187
     232
     208
     180
     207
     142
     163
     164
     168
     164
     112
     101
     105
     113
     103
      96
      75
      91
      62
      59
      69
      50
      39
      48
      28
      25
      29
     -15
     -15
     -27
      -7
     -44
     -13
      -7
     -25
     -32
      11
     -34