% 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)
     139
     100
      61
      79
     152
     131
     197
     235
     319
     867
    1148
    1373
     971
     759
     721
     540
     620
     571
     567
     386
     456
     355
     320
     266
     278
     193
     269
     191
     228
     175
     165
     169
     186
     160
     145
     126
     112
     104
     110
      89
      90
      74
      71
      69
      87
      53
      55
      63
      41
      54
      25
      30
      33
      19
     -35
     -17
       6
      17
     -21
     -44
     -12
     -39
     -23
     -32