% 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)
    1216
     873
     843
     607
     889
     554
     794
     987
     618
     376
     510
     430
     417
     432
     276
     482
     495
     268
     344
     468
     365
     492
     461
     436
     559
     531
     431
     409
     133
     205
     181
     380
     438
     205
     447
     -12
     -88
     392
    -112
     250
     406
     184
     100
    -151
     119
     137
    -166
    -196
     274
     157
     138
     340
    -193
     -80
    -173
    -205
    -256
     164
      56
     -92
    -225
     179
     100
    -167