% 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)
     117
      66
      63
     120
     388
     342
    1382
    2433
    1954
    1716
    1759
    1336
     907
    1002
     848
     614
     609
     617
     423
     549
     490
     477
     384
     338
     271
     287
     297
     274
     235
     215
     209
     202
     194
     149
     141
     124
     114
     122
     122
      76
      96
      88
      70
      66
      60
      58
      75
      37
      38
      52
     -14
     -18
      29
     -27
      17
      27
      48
     -32
     -41
      -6
     -24
     -29
     -17
     -51