% 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) 96 76 57 68 169 275 240 355 281 398 694 819 559 456 354 324 402 450 417 348 319 244 261 230 217 255 183 188 174 182 167 181 145 146 150 101 145 97 87 107 98 81 69 65 67 66 47 63 60 41 -27 58 42 22 -14 -21 -37 -24 21 -21 -40 -24 -26 -22