% 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)
      27
      45
      46
      57
     184
      91
     167
     274
     173
     172
     120
      97
      77
     111
     167
     216
     152
     115
      86
      93
      77
     106
     122
     139
     212
     247
     225
     168
     160
     159
     159
     103
     110
     127
      97
     108
      80
      53
      70
      76
      70
      84
      57
      68
      46
      53
      53
      45
      -5
      38
      38
       9
      53
      26
     -13
     -18
      16
     -10
     -26
     -26
     -41
      13
      15
     -34