% 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)
     126
      63
      38
      48
     112
     192
     425
     553
     178
     236
     440
     855
    1119
     939
     800
     704
     691
     539
     468
     509
     461
     340
     352
     339
     314
     245
     259
     224
     179
     218
     196
     173
     185
     118
     159
     133
     110
     126
     107
      93
      84
      86
      96
      73
      40
      69
      70
      59
      34
      58
      42
      33
      40
      17
     -20
     -40
      23
     -22
     -23
     -33
     -41
     -18
     -36
     -37