% 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)
      42
      53
      42
      73
     158
     165
     149
     336
    1220
    1144
    1072
    1159
     715
     599
     683
     542
     559
     409
     464
     505
     387
     371
     355
     366
     278
     247
     243
     220
     242
     190
     198
     164
     154
     165
     158
     128
     119
     132
     131
     106
     104
      90
      65
      55
      41
      62
      58
      59
      41
      62
      34
      49
     -19
      39
      37
     -40
      36
     -49
     -30
     -32
     -41
     -42
     -39
     -33