% 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)
      73
      79
      35
      57
     170
     181
     259
     384
     474
    1110
     750
     847
     745
     731
     585
     474
     427
     435
     300
     273
     260
     292
     267
     267
     221
     212
     200
     205
     239
     167
     151
     157
     160
     148
     128
      97
     110
      99
     108
     109
      67
      86
      80
      81
      62
      58
      62
      53
      37
     -16
      34
      23
      34
      16
      34
     -35
     -40
     -24
      -9
     -26
      -3
     -30
      29
     -34