% 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) 177 71 23 88 219 391 1302 710 553 628 532 528 672 662 470 573 526 455 464 471 324 405 296 258 295 194 238 234 178 191 167 171 153 132 128 123 100 117 96 95 72 60 55 67 58 49 58 48 49 17 23 23 34 -29 43 -26 23 -30 27 -31 -34 -42 -28 -30