% 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)
     270
     180
     121
     139
     155
     393
     858
    1890
    2904
    2319
    1760
    1631
    1467
    1174
     785
     963
     764
     733
     758
     592
     470
     493
     455
     408
     411
     337
     341
     239
     274
     196
     262
     169
     190
     145
     125
     136
     133
     111
      95
     111
      67
      81
      72
      73
      62
      63
      50
      48
      52
      32
      44
      48
      33
      32
     -28
      21
     -30
     -36
     -21
      27
     -36
     -32
     -47
     -42