% 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)
     151
     120
     109
      82
     270
    1259
    2057
    2562
    2599
    2345
    2080
    1763
    1044
    1100
    1181
     773
     766
     632
     578
     554
     451
     413
     458
     326
     372
     316
     265
     276
     205
     237
     230
     224
     164
     170
     138
     140
     100
     123
     110
      84
     104
      79
      94
      58
      68
      66
      78
      50
      45
      36
      28
      46
     -25
     -10
     -23
      24
      41
     -24
     -37
      21
       4
      12
     -49
     -39