% 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)
    1633
    1643
    1795
    1062
     963
    1008
    1833
    2299
    1995
    1419
    1322
    1329
    1301
     960
    1012
     788
     676
     627
     620
     440
     400
     391
     316
     362
     341
     286
     256
     186
     233
     208
     175
     162
     163
     146
     148
     127
     102
     144
     102
     101
     142
      74
     100
      57
      61
      53
      98
      45
      53
      83
     -41
       3
      40
     -27
      19
      67
      55
     -70
     -59
     -62
     -50
     -41
     -41
      72