% 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)
     106
      92
      51
      48
     171
     378
    1526
    1547
    1174
    1215
    1277
    1123
     836
     895
     781
     586
     581
     513
     521
     420
     469
     363
     345
     284
     326
     258
     254
     236
     181
     254
     149
     163
     179
     145
     156
     123
     137
     134
      90
      82
      87
      99
      61
      62
      64
      58
      48
      53
      52
     -22
      38
     -37
     -37
      39
      30
     -20
      26
     -30
      17
     -23
     -38
     -18
      28
     -40