% 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)
     140
      67
      54
     117
     121
     128
     166
     538
     998
     640
    1117
    1120
    1630
    1088
    1020
     701
     647
     589
     467
     436
     426
     363
     362
     347
     322
     252
     272
     237
     217
     220
     177
     207
     193
     118
     156
     127
      95
      98
      97
      90
      93
      85
      82
      37
      69
      64
      55
     -11
      51
      34
      17
      40
      47
     -20
     -14
     -31
     -41
     -32
      10
     -28
     -30
     -31
     -26
     -17