% 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)
     161
     140
     102
     119
     154
     228
     588
    2172
    2981
    2773
    2646
    1519
    1438
     910
     882
    1021
     701
     760
     484
     583
     453
     392
     345
     399
     372
     317
     266
     236
     200
     204
     187
     174
     216
     150
     135
     144
     109
     102
     118
     112
      83
      97
      83
      81
      57
      57
      52
      21
      51
     -20
      21
      27
      50
      -3
     -18
     -25
      36
     -19
       9
     -18
     -35
     -30
     -20
     -36