% 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)
     235
     184
     109
     117
     521
    1221
    4056
    4004
    3342
    1874
    1460
    1697
    1248
    1113
    1016
     905
     772
     756
     676
     564
     480
     523
     343
     301
     341
     291
     252
     275
     231
     196
     213
     208
     196
     195
     155
     137
     132
     108
      92
     113
      78
      40
      71
      49
      61
      76
      59
      70
      33
      68
      40
     -24
       3
     -38
      32
     -21
     -42
     -15
     -25
      20
      42
     -37
     -43
      17