% 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)
     177
     112
      54
      52
     183
     441
    2509
    2673
    2634
    1981
    1537
    1585
    1023
     895
    1026
     973
     842
     793
     564
     632
     426
     459
     400
     383
     391
     302
     288
     280
     227
     183
     209
     149
     171
     189
     163
     162
     103
     125
      92
     118
      95
      95
      98
      87
      82
      69
      73
      71
      34
      38
     -23
      21
      26
     -38
      36
     -27
     -19
       7
      40
     -44
     -25
      14
      28
     -28