% 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)
      91
     103
      92
      48
     133
     136
     503
     580
     522
     673
     860
     818
     638
     536
     587
     634
     467
     490
     501
     417
     357
     279
     300
     340
     293
     277
     228
     205
     184
     224
     182
     174
     184
     136
     154
     138
     113
      85
     128
      81
     128
      90
      71
      66
      33
      22
      44
      61
      52
      52
      39
      30
      35
      22
      -4
       3
     -39
      36
     -27
     -36
     -34
     -34
     -31
     -53