% 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) 140 50 66 109 150 134 133 239 401 466 368 340 328 382 432 492 420 441 413 349 367 310 275 280 290 246 261 216 184 184 177 162 183 147 119 120 111 141 105 93 87 82 72 96 53 55 56 46 -28 23 29 29 35 33 -31 -9 -6 30 -11 -30 -31 5 -26 -14