% 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)
     171
     191
      86
     106
     120
     428
    1354
    3212
    3315
    1695
    1583
    1245
    1360
    1322
     843
     602
     668
     629
     506
     467
     499
     490
     320
     417
     310
     309
     235
     233
     224
     230
     175
     148
     193
     142
     165
     124
      98
     138
     100
     108
      93
      69
      86
      61
      57
      69
      64
      74
      47
      57
     -31
      32
      17
      51
     -31
     -19
     -20
     -39
      -2
     -33
      19
     -29
     -27
     -45