% 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)
     121
      52
      41
      82
     189
     371
    1819
    1439
    1389
    1114
    1060
    1098
     924
     981
     567
     624
     566
     485
     444
     420
     427
     383
     369
     290
     284
     256
     221
     188
     238
     173
     184
     194
     176
     157
     150
     111
     106
     124
      96
      79
      70
     102
      72
      63
      58
      47
      60
      33
      32
      -8
      36
      36
      32
      14
     -30
     -16
      31
       2
     -13
     -32
     -39
     -36
     -20
      -9