% 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)
     118
      74
      66
      79
     178
     140
     301
     381
     379
     931
    1029
    1386
    1173
     911
     789
     815
     683
     703
     588
     471
     494
     438
     351
     336
     312
     282
     227
     215
     232
     186
     167
     195
     145
     155
     173
     142
     117
     110
     106
      98
      73
      93
      79
      86
      75
      53
      48
      45
      34
      16
      43
      25
      40
     -18
     -29
     -19
     -31
     -37
      -1
      27
      14
      -3
     -28
     -41