% 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)
    2001
     411
     441
     391
     333
     447
     445
     479
     398
     319
     255
     256
     363
     264
     292
     265
     220
     185
     273
     205
     237
     313
     374
     408
     394
     330
     308
     270
     233
     242
     170
     270
     304
     206
     148
     180
     251
     142
     182
     135
     182
      83
     130
     102
     164
      74
     143
    -116
     -51
     -40
     -68
      86
     107
      99
      90
     107
     -60
     -47
     102
      73
     -78
    -150
    -115
     -85