% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
     500
     203
     174
     105
     143
      90
     177
     160
     113
     142
     115
     142
     114
     169
     196
     198
     176
     190
     144
      83
      98
      92
     118
      98
     103
      86
      56
      67
      77
      73
      81
      34
      66
      62
      28
      56
      60
      40
      44
     -19
      25
      40
      51
      49
      48
      31
      30
     -20
     -17
      33
     -14
      41
      38
      56
     -16
      33
     -12
       6
      -5
      12
      13
      39
      35
     -11
      -6
     -36
     -16
     -20
      35
      41
      29
      21
     -33
      28
      14
      50
      27
      26
     -35
      44
      16
      28
      24
      27
     -18
     -19
     -20
     -25
     -26
      27
     -21
      11
      54
      47
      16
     -24
     -19
      41
     -35
      34
      30
      45
      19
     -32
      22
     -16
     -21
      21
      10
      41
      26
     -30
      15
       7
       8
      11
     -28
     -17
      15
      13
      25
     -37
     -21
     -39
     -21
     -33
       8
     -27