% 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)
    3408
     581
     319
     233
     311
     388
     885
    1190
     826
     833
     806
     955
     710
     844
     600
     636
     498
     483
     402
     400
     455
     307
     329
     341
     354
     240
     259
     277
     224
     232
     282
     201
     197
     175
     169
     180
     132
     108
      99
     180
     100
     112
      53
      74
      64
     115
     -38
     -59
      81
     -14
      59
      47
     -97
     102
     -18
    -106
     170
      25
    -129
     -20
    -117
     -60
     121
    -105