% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
     136
      76
      85
      55
      54
      46
      35
      72
     100
      80
     120
      63
      62
      39
     100
     205
     237
     349
     307
     424
     599
     668
     356
     422
     250
     403
     320
     228
     258
     164
     206
     150
     235
     121
      80
      88
     190
     188
     119
      92
      74
     123
      89
      96
     104
      57
      86
      80
      91
      89
     104
      94
     102
      70
      74
      47
      90
      74
      28
      62
     109
      81
      21
      42
      35
      78
      91
      27
      77
      67
      74
      51
      63
      69
      78
     107
      48
      89
     107
     119
      77
      69
      84
      84
      46
      68
      26
      64
      72
      72
      75
      41
      54
      61
      17
      44
      50
      41
      -9
      32
     -19
      25
      46
     -23
      19
      19
       7
     -35
      22
      39
      36
      14
      -7
     -41
     -44
     -40
      31
     -33
     -27
      21
      35
     -27
     -18
      18
     -33
      24
      34
     -26