% 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)
      72
      49
      31
      55
     239
     406
     981
     727
     802
     684
     385
     285
     235
     283
     328
     408
     353
     294
     353
     279
     268
     232
     234
     224
     230
     239
     205
     214
     202
     204
     152
     131
     161
     145
     120
     103
     107
     115
     103
      77
      88
      89
      77
      75
      60
      42
      41
      54
      59
     -21
      24
      22
      23
     -24
     -35
     -30
      21
      26
     -38
     -14
      34
     -28
     -11
     -29