% 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)
     100
     108
      82
      92
     385
     710
    2663
    2124
    1958
    1409
    1412
     926
     941
     777
     773
     776
     618
     576
     431
     453
     417
     379
     295
     324
     305
     292
     237
     219
     195
     196
     173
     225
     155
     159
     125
     133
     117
     114
      89
     121
      69
      72
      73
      67
      52
      23
      50
      51
      51
      70
      22
      17
      49
     -28
     -17
      27
     -16
     -44
     -17
     -39
     -20
     -35
     -45
     -37