% 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)
     168
      97
      66
      56
     155
     647
    1994
    2892
    2910
    1976
    1937
    1391
     979
    1169
     982
     875
     749
     708
     620
     527
     456
     426
     423
     428
     362
     290
     298
     222
     194
     253
     234
     198
     163
     152
     136
     132
     121
     121
     111
     108
      78
      95
      79
      56
      41
      52
      57
      45
      34
      56
      40
      10
      34
     -26
       7
     -20
     -23
     -11
     -17
     -21
     -34
     -15
     -43
     -38