% 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)
      53
     103
      13
     103
     179
     338
     815
     933
     581
     695
     818
     642
     526
     439
     391
     323
     301
     270
     287
     234
     189
     191
     172
     213
     174
     183
     175
     167
     189
     148
     142
     150
     143
     160
      95
     120
     109
      97
     124
      91
     106
      90
      84
      73
      34
      39
      48
      64
     -38
      35
     -20
      48
      55
      18
      29
     -17
      25
     -21
     -32
     -38
     -33
      26
     -28
     -45