% 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)
     766
     390
     244
     240
     251
     308
     881
    1202
    1019
     696
     521
     531
     526
     527
     494
     551
     387
     400
     384
     389
     332
     328
     275
     288
     267
     265
     234
     188
     184
     177
     222
     179
     155
     178
     177
     127
     163
     158
     158
      98
     122
      96
      77
      91
     110
      24
      52
     -50
     -79
      93
     -28
     -35
     -41
     -38
     132
     -29
     -60
     -72
      74
      37
     -59
      64
      26
     -77