% 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)
      97
      89
      81
      99
     160
     371
     760
    1136
    1483
    1257
    1812
     889
    1023
    1024
     802
     628
     631
     554
     466
     533
     382
     322
     302
     297
     331
     257
     251
     266
     191
     206
     186
     219
     179
     130
     158
     124
     132
     110
     104
      94
      93
      67
      58
      61
      82
      46
      39
      47
      52
      20
      30
      30
       1
      28
     -22
       7
     -28
     -37
     -32
     -19
     -10
       2
     -25
     -30