% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078)
    1550
     220
     149
     191
     260
     207
     332
     542
     571
     374
     374
     378
     270
     249
     213
     174
     171
     161
     123
     126
     162
     158
     124
     139
     168
     129
     105
     101
      93
      70
      73
      71
      52
      54
      40
      49
      80
      29
      19
      32
     -16
      43
      44
      33
      59
      51
      41
     -38
     -44
      65
     -10
      32
      37
      36
      10
     -32
      35
     -30
     -44
      35
      25
     -42
     -23
     -40