% 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)
     138
      59
      44
      99
     181
     474
    1487
    1011
     754
     544
     807
    1451
    1425
    1155
    1062
     671
     574
     582
     581
     486
     417
     296
     306
     239
     305
     301
     254
     298
     244
     246
     199
     187
     194
     147
     135
     155
     140
     122
     116
     111
      73
      77
      90
      65
      60
      67
      50
      53
      52
      59
      46
      33
     -16
     -16
     -30
      -7
     -24
     -33
     -29
       8
     -36
     -45
     -17
     -28