% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
    1749
     343
     308
     212
     187
     195
     172
     164
     123
     282
     286
     225
     322
     363
     181
     219
     186
     137
     127
     136
     178
     196
     204
     117
      74
      78
      88
     101
      76
     126
      71
      92
      26
      34
      76
      84
      64
      60
     116
     106
      85
      65
      81
      25
      56
      67
      70
      81
     115
     106
     106
      65
      68
      97
     133
      99
      77
      75
      59
      49
      72
      64
      47
      38
      26
      33
      34
      29
      62
      31
      52
      41
      35
      43
     -26
      19
     -16
      36
      23
      14
     -20
     -17
     -35
      36
     -27
     -15
     -22
     -25
     -14
     -14
      19
      -2
      40
      18
      37
      50
      32
      30
      20
      42
       2
     -36
      27
      50
     -35
     -23
     -21
      36
     -41
      22
      34
     -45
      22
     -39
     -41
     -47
     -27
      13
     -33
     -24
     -40
      43
      53
      17
     -22
      27
      34
     -12