% 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)
     147
     104
      91
     135
     129
     739
    1968
    4126
    2562
    1824
    1276
    1514
    1360
    1067
     771
     913
     743
     639
     731
     556
     431
     496
     367
     333
     355
     318
     240
     288
     219
     208
     207
     165
     142
     155
     104
     169
     101
     134
     105
     100
     107
      90
      87
      57
      75
      81
      66
      75
      48
     -19
      27
      38
     -25
      14
      17
      30
     -12
     -23
     -12
      26
     -46
     -28
     -29
     -31