% 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)
     139
      50
      61
      55
     119
     194
     266
     347
     426
     410
     338
     306
     371
     692
     860
     619
     534
     509
     468
     402
     336
     377
     325
     353
     237
     217
     169
     208
     194
     198
     223
     179
     165
     207
     120
     149
     109
     103
      95
      93
     101
      89
      80
      63
      37
      49
      64
      44
      59
     -17
      40
      45
      20
     -19
      21
     -37
     -29
     -41
     -15
     -30
      15
     -32
     -17
     -34