% 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)
     100
      61
      52
      67
     236
     816
     945
     770
     545
    1158
    1329
    1016
    1082
     832
     837
     709
     515
     534
     562
     475
     417
     344
     296
     339
     273
     237
     214
     225
     231
     209
     170
     155
     149
     171
     126
     118
     120
     113
     119
     107
      91
      78
      88
      71
      59
      56
      56
      45
      44
      38
      20
      10
      25
     -37
     -23
     -23
      38
     -38
     -15
      18
     -18
       8
     -28
     -34