% 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) 288 128 68 39 60 77 180 64 143 207 207 298 266 605 600 471 464 496 504 172 262 234 251 484 561 508 688 1062 865 590 755 534 645 564 597 659 685 454 601 267 358 321 394 350 316 311 298 310 280 345 220 297 247 283 263 237 231 209 203 208 228 154 160 179 207 167 186 121 111 145 162 126 98 102 92 89 112 128 108 93 85 82 87 86 99 60 62 79 36 70 21 47 70 28 36 30 45 45 35 56 -18 -30 37 28 41 48 59 29 -34 -34 12 -27 -31 23 43 24 -26 -31 -45 14 6 -14 -41 -45 -41 -41 -31 -45