% 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)
      79
      47
      96
      90
     117
     285
     537
     996
     818
    1163
     894
    1141
     924
     956
     570
     562
     509
     469
     451
     350
     352
     336
     340
     333
     285
     303
     252
     242
     228
     175
     202
     182
     166
     163
     147
     115
     125
     139
      99
     104
      55
      62
      97
      67
      70
      66
      20
      65
      42
      48
     -35
     -27
      45
      35
      37
      24
     -40
       9
     -32
     -27
     -28
     -13
     -37
     -39