% 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)
      98
      97
      59
     122
     195
     296
     637
    1249
     957
     684
     477
     506
     325
     256
     269
     176
     192
     130
     117
     122
     142
     195
     244
     297
     292
     336
     264
     267
     183
     202
     144
     160
     172
     174
     123
     132
     118
     111
     122
      82
     103
      68
      80
      70
      58
      29
      65
      44
      39
      31
      33
      26
      36
      35
     -22
     -24
     -18
     -32
      22
     -12
     -29
     -38
     -31
     -38