% 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)
     152
      77
      52
      53
     275
     638
    1506
     946
    1448
    1380
    1754
    1335
    1158
    1066
     696
     845
     694
     611
     490
     427
     400
     332
     410
     318
     341
     288
     253
     232
     223
     197
     161
     180
     156
     178
     152
     146
     125
     124
      89
      95
      76
      88
      91
      59
      66
      53
      61
      41
      59
      27
      32
     -12
     -36
      50
      40
     -19
     -32
      23
     -38
     -28
     -39
     -30
     -28
     -39