% 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) 142 93 86 80 262 362 321 551 565 534 930 789 781 661 576 434 485 505 397 362 374 266 294 319 266 237 221 197 221 210 174 159 165 124 168 121 110 126 105 76 70 78 74 63 77 70 78 73 43 28 -26 38 5 -36 36 -34 -18 -27 31 -10 -35 9 -11 -14