% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
      69
     106
     103
      75
      66
      92
      76
     127
     153
     105
     249
     497
     290
     480
     382
     329
     339
     375
     231
     330
     333
     276
     352
     370
     230
     198
     175
     278
     192
     155
     177
     152
     147
     156
      99
     144
     189
     205
     128
     112
     120
      96
     126
      87
      72
     101
     117
      86
      98
      89
      78
      89
      93
      65
      66
      38
      22
      46
      77
      56
      56
     -22
      61
      65
      25
      60
      46
      43
      40
     -34
      46
      32
      45
      48
      30
      47
      13
      39
      47
      36
      18
      24
      30
      54
      11
      25
      38
     -17
      19
      37
      21
      71
      38
      26
     -26
     -38
      26
     -11
      35
     -14
      21
      16
      56
      24
     -22
     -42
     -32
     -21
     -40
      45
      25
     -32
     -32
      28
     -43
     -27
      -1
     -25
      37
       8
     -15
     -17
     -36
      15
      -9
      32
      13
      20