% 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)
      91
      63
      76
      73
      70
      87
     195
     425
     870
    1173
     893
     914
     869
    1006
     745
     680
     514
     618
     523
     488
     415
     389
     330
     299
     255
     291
     230
     219
     209
     203
     192
     175
     162
     150
     129
     178
     137
      97
     114
     112
     116
     107
      81
      71
      70
      61
      75
      42
      50
      36
      30
      -8
      36
     -25
      40
     -26
     -19
     -18
     -15
      14
     -12
     -38
     -22
     -31