% 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)
     175
      84
      96
      93
     542
    1006
    2378
    4338
    3175
    1953
    1545
    1486
    1327
    1119
    1036
     757
     662
     615
     619
     529
     428
     454
     362
     370
     340
     285
     290
     271
     211
     236
     200
     150
     117
     163
     120
     123
     112
      88
     102
     107
      70
      87
      73
      58
      60
      54
      44
      51
      69
      26
      29
      32
      44
      24
     -22
     -12
     -39
     -25
     -23
     -37
     -23
     -34
     -21
     -33