% 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)
      83
      70
      74
      46
     109
     131
     281
     415
     693
    1026
     900
     632
     571
     504
     494
     420
     403
     451
     414
     411
     344
     323
     279
     268
     319
     298
     203
     188
     195
     192
     173
     145
     168
     140
     129
     139
      99
     117
      98
      98
     100
     105
      73
      60
      77
      61
      48
      44
      58
      41
      16
      20
      32
     -12
     -28
      24
      18
     -14
     -22
     -16
     -31
     -20
     -19
     -11