% 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)
     134
     104
      74
      78
     177
     708
    1807
    2798
    2387
    1472
    1453
    1213
     910
     907
     852
     733
     618
     665
     678
     579
     450
     397
     386
     383
     280
     225
     219
     250
     256
     174
     215
     180
     168
     150
     159
     131
     103
     122
      97
      76
     122
      75
      56
      76
      53
      72
      26
      36
      47
      40
      34
     -20
      18
      24
      44
     -23
     -29
     -42
     -24
     -33
     -23
      21
       7
     -42