% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
     100
      58
      80
      52
      90
      58
      76
      66
     112
      85
      76
     101
     114
     176
     343
     508
     556
     492
     436
     261
     423
     271
     281
     143
     221
     162
     114
      86
     121
     118
     106
     134
     134
      89
      64
      78
      43
      62
      90
      62
      87
      55
      82
      56
      53
      37
      42
      45
      65
      64
      66
      42
      50
      33
      46
     -16
      29
     -28
     -14
      56
      40
     -29
      18
      31
      63
      21
      20
      58
      57
      56
      53
      50
      38
      60
      97
      77
      79
      27
      69
      67
      62
      56
      40
      58
      47
      45
      25
      28
      58
      47
     -33
      60
      12
      30
      -3
      18
       5
      22
     -19
      41
      16
     -33
     -14
     -24
      10
      31
      40
      38
      37
     -29
     -36
     -18
     -22
      15
      38
      27
      23
       7
      39
     -31
      -8
      -6
     -20
     -43
     -25
     -32
      11
     -15