% 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) 91 46 43 134 119 265 570 378 423 339 565 562 399 486 314 391 346 358 333 294 312 286 229 232 224 191 203 189 157 168 155 117 139 121 106 96 110 98 77 90 59 63 47 52 53 43 48 34 17 22 26 33 -18 -15 -20 -28 -13 -29 14 -25 10 7 -11 24