% 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)
     147
      97
      66
      48
     130
     228
     459
     596
     414
     363
     410
     450
     556
     631
     583
     736
     681
     521
     581
     425
     405
     393
     341
     251
     289
     249
     242
     244
     187
     218
     152
     176
     149
     130
     131
     132
     126
     117
     105
     114
     103
      72
      77
      65
      62
      52
      56
      53
      32
      43
      37
      42
      27
     -37
      -7
      29
       8
     -24
     -17
     -24
     -12
      17
     -38
     -35