% 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)
     115
     110
      84
     114
     301
    1711
    2821
    2471
    2091
    1674
    1594
    1309
    1315
    1334
     873
    1012
     744
     701
     603
     448
     511
     448
     415
     363
     350
     382
     268
     285
     231
     182
     185
     208
     202
     183
     163
     147
     142
     108
     106
      99
      93
      83
      90
      73
      57
      51
      45
      42
      26
      49
      35
      49
     -31
      31
     -21
      19
     -13
     -19
     -29
      -8
     -31
      -5
     -39
     -30