% 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)
     139
      89
      62
      83
     223
     412
    1133
    1443
    1072
     868
    1194
    1209
     909
     722
     639
     584
     525
     495
     489
     445
     393
     404
     328
     298
     252
     241
     226
     210
     189
     183
     190
     146
     151
     140
     133
     142
     146
     124
     101
      88
      94
      95
      82
      59
      24
      72
      34
      47
      40
     -29
      67
      55
      34
      27
     -20
     -31
     -42
     -18
      11
     -39
     -31
     -26
     -37
     -46