% 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)
     235
     152
      98
      96
     117
     453
    1234
    2077
    1079
     919
     691
     512
     567
     494
     342
     307
     260
     229
     200
     277
     175
     196
     159
     133
     115
     122
     107
      78
      87
      96
      86
      69
     -29
      12
      13
     -18
      47
     -26
     -49
      63
      28
      71
      19
      16
      58
      -9
      57
     -18
      92
      41
      36
      23
      38
     -15
     -23
      26
     -23
      22
     -27
     -38
     -40
       6
     -56
     -59