% 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) 180 107 137 238 2591 1367 766 480 424 378 496 475 369 253 276 244 247 246 182 178 172 234 202 222 207 197 186 236 253 257 207 174 178 169 162 133 120 126 104 75 65 94 50 47 61 41 63 24 22 13 52 -31 -38 16 -52 -38 43 35 -26 -34 -17 39 49 -46