% 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)
     109
      98
      70
      79
     114
     213
     307
     473
     484
     382
     406
     357
     288
     223
     228
     209
     276
     235
     463
     525
     391
     332
     295
     256
     260
     227
     259
     187
     215
     225
     146
     161
     165
     156
     137
     151
     135
     134
     126
      87
      95
      57
      66
      52
      70
      40
      79
      51
      24
     -27
      58
      28
     -21
     -30
      31
      35
     -30
     -27
     -29
      18
      10
     -15
      -3
     -40