% 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)
      67
      79
      25
      79
     119
     340
     502
    1067
     857
     520
     510
     315
     194
     194
     167
     127
     117
     139
     102
     121
     127
     197
     243
     208
     290
     225
     185
     188
     182
     168
     195
     166
     155
     133
     156
     101
     127
     112
     101
     113
      54
      83
      61
      58
      61
      43
      52
     -22
      51
      33
     -21
     -14
     -31
     -20
     -41
     -21
      44
     -32
      31
      28
      16
     -15
      21
     -43