% 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) 147 126 99 95 178 855 1225 627 382 714 646 669 425 360 496 380 366 348 296 268 233 270 281 236 168 200 159 178 185 168 157 143 165 122 150 121 128 124 121 107 95 77 44 43 36 37 75 68 37 -12 -33 -23 32 61 -20 23 -51 50 -26 42 -39 30 -20 -22