% 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)
      93
      81
     104
      84
     746
    1138
    1672
    2318
    1805
    1693
    2060
    1835
    1645
    1187
    1248
     855
     733
     646
     551
     536
     510
     426
     450
     339
     388
     324
     225
     256
     231
     200
     174
     174
     178
     146
     143
     140
     123
     125
     142
     108
      93
      64
      54
      86
      75
      63
      53
      44
      39
      42
     -13
      18
      37
      -3
     -12
      21
      24
     -47
     -34
     -37
     -34
      17
     -23
      22