% 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)
      77
      44
      30
      95
     154
     144
     313
     307
     478
     363
     204
     149
      96
     171
     287
     508
     653
     602
     393
     431
     334
     331
     266
     290
     261
     199
     222
     209
     168
     209
     170
     150
     169
     147
     144
     120
     119
     130
     102
      98
      94
      75
      61
      79
      40
      57
      51
      45
      35
      54
      28
      27
     -37
      21
      27
      17
     -13
     -13
     -20
     -31
     -28
     -26
     -24
     -23