% 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)
      71
      89
      72
      49
      61
     239
     739
    1098
    1081
    1427
    1575
    1291
     950
     864
     688
     696
     601
     709
     521
     464
     417
     388
     404
     318
     344
     320
     262
     242
     240
     199
     188
     195
     157
     148
     136
     137
     142
     109
     114
     104
      90
     101
      77
      72
      83
      49
      72
      41
      48
      53
      54
       5
      34
     -20
     -18
      13
     -25
      18
      13
     -24
     -36
     -43
     -11
     -43