% 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)
     235
     116
     136
     119
     142
     580
    2280
    1397
    1211
    1463
    2153
    2176
    2167
    1297
     938
     660
     713
     644
     501
     445
     423
     443
     381
     333
     316
     221
     263
     221
     242
     206
     153
     201
     133
     148
     121
     104
     108
     111
      98
      88
      85
      73
      71
      86
      43
      36
      49
      57
      54
      34
     -12
      30
      19
     -31
      11
     -23
     -25
     -23
      40
     -35
     -31
     -15
     -24
     -35