% 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)
     120
      63
      76
     236
     671
     791
     850
    1633
    1593
    1727
    1308
    1075
    1060
     820
     867
     631
     710
     643
     499
     465
     471
     380
     344
     315
     347
     285
     232
     293
     214
     204
     175
     195
     163
     194
     167
     117
     159
     115
     127
      99
     101
      67
      61
      78
      75
      68
      63
      69
      45
      37
     -24
      35
     -13
      29
     -20
     -16
     -12
      33
     -41
      26
     -20
     -40
     -32
     -16