% 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)
      50
      52
     -12
      78
     220
     122
     254
     294
     280
     203
     198
     551
     483
     544
     297
     292
     230
     223
     220
     192
     227
     304
     198
     181
     191
     159
     186
     192
     162
     191
     170
     130
     151
     117
     125
     118
      95
     109
      90
      86
      84
      64
      80
      56
      77
      59
      43
      55
      34
      21
      19
      37
      55
     -26
     -43
      35
      22
     -41
     -20
     -20
      22
     -43
     -34
     -23