% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
     139
     201
     302
     267
     199
     182
     210
     175
      92
     203
     241
     451
     480
    1102
     874
    1142
    1109
    1080
    1064
    1314
     886
     956
     765
     537
     532
     640
     666
     408
     363
     320
     387
     343
     386
     319
     279
     283
     202
     230
     225
     196
     191
     148
     208
     155
     179
     124
     121
     171
     132
     105
     128
     125
      98
      84
      69
      66
     101
      69
      35
      77
      81
      70
      73
      55
      61
      65
      61
      57
      55
      51
      57
      62
      30
     -13
      44
      37
      27
     -28
      22
      35
      46
      26
      48
       9
     -16
     -30
     -18
      46
     -13
      22
      -7
      27
      14
     -10
      16
      34
     -31
      11
     -21
     -18
     -14
     -17
     -27
       7
     -16
     -14
     -19
      27
     -21
      28
     -35
     -24
     -29
     -29
     -21
     -14
     -31
      25
      26
      28
      13
     -21
      25
      37
      28
      32
      20
      40