% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
      80
      60
     144
     177
      75
     105
     114
      60
     117
     100
     134
     417
     392
     915
     748
     768
     530
     549
     368
     236
     388
     262
     299
     227
     322
     286
     338
     361
     225
     321
     282
     172
     350
     239
     280
     144
     139
     211
     109
     155
     175
     144
     142
     141
     210
     131
     140
     141
     114
     126
      98
     135
     113
      98
      65
     113
     110
      90
     125
      90
      75
      90
     103
      70
      63
      66
     105
      52
      44
      62
      63
      79
      59
      46
      53
      67
      55
      45
      53
      29
      65
      31
      42
      -4
      19
      26
      54
      49
      25
     -40
      29
      22
      41
     -16
      23
     -18
      20
      12
      15
      -9
     -24
     -22
      16
      27
      22
      35
      20
     -22
      -6
     -10
      19
      35
     -24
     -28
      -1
     -22
      27
     -29
     -21
     -32
      17
       9
      22
      14
     -28
      15
     -23
     -13