% 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) 191 100 32 22 103 249 388 491 443 386 389 657 662 810 716 670 504 493 440 439 338 312 291 255 338 251 174 209 186 156 197 158 142 150 123 108 108 111 75 95 94 72 76 68 73 72 40 32 32 49 23 31 23 21 -24 -28 -31 -13 -26 -10 -13 -38 -21 -21