% 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)
     142
      91
      98
      88
     267
     828
     689
     815
    1471
    1500
    1766
    1170
    1043
     781
     651
     742
     617
     619
     579
     375
     464
     392
     368
     330
     319
     297
     268
     247
     229
     196
     186
     167
     191
     189
     143
     131
     147
     109
     123
     109
      85
      79
      90
      73
      87
      81
      31
      43
      34
      35
      24
     -25
      34
      20
      38
      13
      30
     -37
     -25
       2
     -23
     -22
     -41
     -29