% 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)
     146
     135
      67
     127
      95
     368
    1399
    1515
    2420
    2829
    1902
    1504
    1225
     856
     965
     805
     720
     661
     579
     504
     413
     423
     354
     333
     291
     307
     269
     235
     240
     171
     203
     148
     159
     137
     141
     136
     130
     128
      90
      95
      78
      18
      92
      72
      62
      32
      53
      61
      40
      43
      39
      18
      33
     -27
     -26
      -8
       4
      16
      -4
      12
     -41
     -29
     -35
     -39