% 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)
     120
      72
      90
      63
      90
     348
     910
     777
     697
    1002
     571
     380
     426
     356
     279
     224
     187
     164
     158
     149
     121
      90
     120
      95
      78
      85
     117
     126
     128
     160
     146
     168
     162
     150
     125
     111
     124
     121
     103
      97
     104
      80
      77
      56
      54
      47
      43
      52
      26
     -15
      26
      19
      38
      33
     -16
     -29
      17
      15
     -19
      33
     -22
       5
     -30
     -20