% 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)
      92
     102
      67
     110
     152
     232
     976
     693
     426
     400
     370
     367
     541
     478
     478
     392
     471
     518
     618
     546
     387
     421
     370
     347
     270
     251
     237
     205
     202
     171
     167
     178
     148
     154
     135
     138
     137
     117
     110
     109
      95
      83
      79
      73
      65
      59
      39
      48
      42
      31
      25
     -14
      13
      46
     -36
     -18
     -22
      10
     -32
      13
      23
     -26
     -33
     -24