% 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)
      75
      62
      77
      80
     132
     170
     521
    1023
    2452
    1579
    1456
    1068
     998
     741
     756
     560
     632
     518
     630
     737
     618
     481
     440
     358
     373
     303
     304
     278
     237
     224
     214
     175
     177
     145
     153
     120
     126
     120
     122
     117
      94
      74
      92
      50
      78
      53
      47
      54
      29
      49
      53
       9
      29
      17
      29
     -33
     -11
     -13
     -40
     -12
     -43
     -41
     -29
     -23