% 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) 72 78 33 54 158 138 300 430 384 599 907 972 774 632 905 556 588 446 472 421 421 357 292 335 293 309 267 233 240 193 219 195 160 184 129 163 142 117 113 87 127 85 98 89 70 57 65 75 58 52 -15 -35 22 -14 -19 -21 46 -17 -50 20 -38 -35 13 -37