% 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)
     147
     121
      71
      80
     249
     790
    2706
    3259
    1999
    1795
    1795
    1058
     904
     839
     753
     622
     693
     642
     487
     463
     480
     361
     302
     328
     292
     277
     223
     251
     227
     237
     164
     188
     136
     166
     145
     124
     113
     103
     128
      92
     114
      76
      67
      63
      83
      59
      72
      51
      62
      47
     -26
      43
      48
     -26
     -26
     -15
     -18
      44
     -33
     -44
     -10
     -26
     -52
     -33