% 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)
     144
     114
     114
      75
     340
     801
    1099
     841
     628
     452
     663
     475
     247
     424
     389
     338
     370
     330
     259
     242
     287
     222
     202
     219
     182
     183
     212
     169
     211
     147
     188
     153
     171
     123
     134
      95
     106
      82
      90
      99
      81
     120
      78
      73
      59
      83
      61
     -31
      39
      63
     -53
     -17
      43
     -57
      60
       8
     -41
      58
      70
     -53
      12
     -35
     -65
     -31