% 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)
     225
     176
     128
     140
     337
    2011
    3807
    3918
    2737
    2187
    1600
    1361
    1337
    1026
    1108
     854
     869
     856
     644
     551
     474
     459
     418
     395
     323
     379
     290
     252
     257
     199
     213
     186
     188
     145
     144
     142
     152
     124
     100
      97
      97
      75
      67
      76
      91
      51
       9
      48
      44
      48
      31
      36
     -28
      37
      37
     -28
     -11
      22
     -27
     -40
     -34
      -8
     -21
     -31