% 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)
      77
      64
      63
      76
     120
     193
     256
     322
     356
     464
     463
     586
    1173
    1107
    1034
     752
     509
     566
     446
     445
     417
     346
     398
     291
     321
     250
     257
     247
     233
     208
     197
     156
     142
     163
     153
     138
     131
     125
     109
      90
      79
      87
      96
      59
      66
      56
      65
      44
      32
      45
      55
     -21
       8
      28
     -29
     -34
      14
     -39
     -24
      10
     -23
      20
      17
     -46