% 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)
     147
      61
      76
     304
     955
     398
     462
     737
     784
    1284
    1525
    1301
    1005
     978
     714
     788
     630
     391
     501
     467
     390
     372
     394
     320
     326
     270
     261
     256
     206
     222
     195
     158
     185
     159
     151
     142
     132
     107
     109
      93
     117
      84
      70
      70
      71
      68
      55
      45
      52
      17
      51
     -26
      12
      21
      14
       5
     -19
      16
     -33
      14
     -28
     -38
     -32
     -36