% 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
      69
      17
      66
      77
     162
     243
     288
     625
     635
     730
     539
     595
     622
     610
     677
     623
     451
     447
     350
     317
     328
     271
     309
     256
     231
     225
     216
     221
     224
     162
     149
     203
     152
     134
     139
     100
      87
     110
      83
     102
      91
      64
      63
      73
      49
      39
      52
      54
      49
     -12
      25
      56
      26
     -34
     -39
     -26
     -28
     -22
     -33
       4
     -25
     -43
     -37