% 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)
     140
      83
      54
      79
     165
     426
    2229
    2028
    1828
    2115
    1861
    1637
    1148
    1231
     980
     788
     746
     520
     581
     480
     413
     439
     367
     366
     286
     284
     335
     252
     223
     219
     185
     183
     159
     149
     147
     144
     134
     128
      83
      96
      84
      70
      74
      61
      68
      33
      54
     -22
      51
      41
      42
     -24
     -13
     -11
      31
     -30
      24
     -24
      -2
     -39
     -37
      -7
     -22
     -30