% 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)
      50
      34
      41
      64
      67
     123
     463
     583
     347
     288
     234
     202
     190
     168
     241
     300
     335
     313
     313
     342
     298
     272
     274
     271
     210
     169
     175
     190
     169
     202
     130
     177
     125
     128
      99
     133
     123
     100
      92
      96
      89
      61
      76
      73
     -30
      55
      65
      48
      49
      59
      44
      24
     -20
     -17
      -6
     -47
     -13
      34
     -28
     -34
     -35
     -31
     -47
      -9