% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide(first frequency band is centered at 0.00439453) 132 137 98 49 68 55 71 47 124 156 328 731 1487 928 1138 752 748 846 530 330 496 811 789 580 599 565 595 441 668 535 327 535 461 371 403 370 539 297 317 293 392 379 301 263 271 283 280 245 301 200 214 218 233 174 263 253 190 181 169 216 194 152 172 183 122 130 191 133 183 148 102 121 163 94 127 108 127 123 92 75 67 99 60 76 109 59 90 61 64 59 39 91 52 65 53 -19 42 50 80 38 8 60 42 46 30 -42 -13 -42 -50 34 32 11 -46 35 23 -60 -40 -59 26 26 1 12 -25 -6 31 -44 -48 -28