% 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)
     143
     131
      85
      56
     155
     748
     741
    1214
    2218
    1600
    1609
    1479
    1275
    1449
     888
     666
     709
     600
     461
     587
     449
     399
     381
     369
     277
     289
     288
     283
     229
     213
     196
     189
     165
     154
     156
     147
     142
     120
     102
      91
      81
      59
      89
      69
      49
      62
      62
      50
      49
     -19
      16
      54
      33
     -28
     -31
     -24
      33
     -28
      22
     -39
     -36
     -13
     -36
     -21