% 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)
     117
      92
      35
      67
     158
     716
    1131
     664
     571
     442
     361
     298
     351
     249
     230
     166
     154
     156
     162
     154
     122
     132
      90
      84
      82
      72
      75
      85
     112
     100
     129
     142
     154
     187
     149
     126
     116
     111
     107
      78
      96
      73
      72
      52
      55
      50
      40
      52
      30
      42
      22
      29
      23
      18
     -25
      16
     -26
     -21
     -27
     -19
     -23
       4
     -17
     -32