% 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) 75 63 49 34 109 156 401 366 232 243 356 572 445 369 289 219 189 254 162 181 167 179 147 116 100 117 141 118 174 176 156 174 157 176 114 136 110 88 95 77 92 51 71 64 52 57 40 20 28 41 34 51 -23 -18 -19 -11 -15 21 -23 -20 -27 -31 -41 -27