% 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)
     108
      39
      93
     135
     181
     135
     328
     539
     742
     426
     483
     315
     277
     238
     136
     138
     141
     106
      99
      84
      88
     124
     190
     229
     307
     251
     225
     236
     185
     111
      91
     130
     149
      90
      92
      33
      92
      96
      60
      85
      51
      46
      57
      25
      32
      45
      17
      37
      38
     -23
     -27
     -14
      25
      35
     -33
      44
     -14
      43
      18
     -32
      20
     -32
     -23
     -11