% 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)
     137
      88
      48
      53
     146
     237
     149
     276
     492
    1053
     615
     750
     829
     626
     672
     673
     474
     470
     401
     353
     420
     346
     334
     285
     288
     213
     254
     266
     209
     190
     185
     169
     163
     133
     143
     136
     108
     108
     109
      98
      91
      99
      86
      72
      72
      56
      73
      54
      55
      44
     -22
      25
      27
     -27
      22
      38
     -18
     -19
      33
     -28
     -34
     -24
     -35
     -43