% 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)
     109
      92
      87
      74
     346
     400
     521
     859
     863
    1428
    1497
    1262
    1241
    1089
     762
     652
     532
     551
     507
     511
     390
     391
     408
     366
     350
     277
     255
     225
     233
     220
     184
     145
     129
     148
     156
     108
     113
     121
      82
      59
     106
      98
      97
      66
      72
      71
      52
      66
      36
      31
      40
      38
      42
      34
     -16
     -22
      12
     -47
     -24
     -46
     -35
      -2
      -8
     -38