% 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)
     141
      87
      41
      75
     127
     239
     314
     374
     393
     309
     363
     231
     225
     289
     498
     898
     597
     465
     475
     423
     336
     323
     223
     300
     233
     224
     217
     205
     180
     169
     183
     150
     125
     122
      92
     141
      98
      97
      80
      76
      85
      71
      82
      71
      73
      84
      43
      51
      40
      21
     -16
      24
      42
      30
     -18
      -1
      -4
     -35
     -36
     -34
      15
     -35
      31
     -18