% 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) 138 130 128 48 86 50 94 268 870 765 590 529 346 429 503 542 600 593 502 737 436 556 875 877 592 868 638 723 542 656 732 685 467 470 458 432 435 333 334 356 375 492 343 376 365 309 306 324 295 259 264 300 249 281 200 295 211 243 203 208 173 198 202 180 174 131 172 139 123 145 134 147 115 100 112 115 114 124 119 124 114 140 107 84 108 53 80 58 50 46 53 80 43 54 39 37 82 75 79 35 32 67 -34 2 -44 -53 -24 34 48 -31 -36 -37 -16 24 -36 -28 -27 18 -43 -28 28 -35 -23 -49 21 -43 -31 -41