% 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)
     113
      87
     113
     109
     294
     449
     685
     829
     830
     853
    1022
     761
     659
     607
     358
     337
     318
     253
     227
     229
     206
     197
     168
     200
     176
     228
     237
     303
     275
     217
     243
     233
     197
     168
     121
     111
     134
      98
      90
      72
      81
      73
      70
      61
      27
      60
      51
      34
      36
     -21
     -33
      27
      23
     -17
      17
      46
     -33
      38
      30
     -27
     -22
      12
     -19
     -19