% 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)
     126
      82
      38
      71
     170
     401
     659
     823
     630
     526
     647
    1112
     941
     719
     540
     602
     470
     439
     400
     411
     346
     438
     319
     295
     291
     289
     305
     208
     226
     197
     191
     164
     178
     138
     164
     122
     131
     124
     132
     110
      63
     101
      98
     110
      71
      63
      53
      32
      60
      44
     -19
      80
     -20
     -24
      -8
     -22
      18
     -42
     -21
     -48
     -41
      25
     -38
     -32