% 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)
     179
      96
      68
      49
     190
     380
     431
     545
     903
    1240
    1664
    1216
    1043
     814
     774
     636
     505
     579
     495
     434
     456
     377
     369
     386
     278
     264
     279
     202
     227
     218
     190
     179
     162
     163
     117
     134
     135
     115
     103
      94
      78
      57
      79
      74
      68
      70
      48
      60
      57
      44
      42
      59
     -36
      17
       9
     -27
     -25
     -25
     -34
     -25
     -33
     -23
     -36
     -52