% 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) 100 51 60 101 55 58 78 59 257 279 270 396 387 277 492 411 721 356 1013 738 840 921 562 692 448 527 583 439 452 554 344 409 413 428 451 388 376 369 240 280 270 266 288 310 290 333 326 232 269 186 238 165 237 228 163 197 166 138 207 225 177 185 128 166 151 134 149 115 140 106 136 123 117 95 80 88 110 86 68 66 61 80 93 84 76 80 35 71 69 -14 30 31 45 61 54 47 59 -25 -37 63 53 42 31 38 42 -5 -24 -34 -21 -47 18 -12 -18 -7 -37 -35 40 -40 23 -8 -27 32 -12 -23 -28 -25 -40 -29