% 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)
     259
     152
     117
     164
     158
     849
    2671
    3425
    2865
    2211
    1644
    1366
    1498
    1256
     968
     805
     702
     673
     634
     580
     503
     484
     399
     371
     330
     296
     296
     269
     252
     193
     171
     199
     179
     152
     116
     143
     128
     122
     107
      78
      98
      94
      66
      56
      82
      77
      77
      66
      55
      45
     -17
      57
     -20
      39
      31
      35
     -30
     -46
     -39
     -36
     -41
     -36
     -32
     -21