% 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)
     133
      80
      61
      51
     130
      90
     152
     399
     343
     617
    1067
     803
     847
     767
     636
     756
     666
     540
     421
     418
     383
     388
     309
     326
     287
     265
     237
     258
     243
     172
     182
     169
     200
     158
     167
     131
     174
     133
     115
     102
      86
      76
      97
      58
      70
      59
      66
      62
      66
      46
      35
      56
      31
       4
     -12
     -41
     -35
      29
     -29
     -21
     -38
     -22
     -46
     -38