% 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)
     218
     139
     132
      98
     151
     293
     497
     730
     868
    1033
     874
     618
     636
     512
     428
     343
     362
     276
     310
     228
     271
     203
     181
     144
     169
     178
     176
     166
     138
     129
     153
     146
     128
     103
      93
      76
     107
     106
     101
      81
      85
      63
      65
      44
      53
      43
      56
      68
      22
      53
      50
      36
     -16
      22
     -39
     -48
      29
     -31
     -21
      35
     -33
      29
     -31
     -42