% 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) 400 184 193 101 129 156 128 140 274 746 927 811 912 320 466 343 1039 734 940 541 611 397 398 588 534 309 551 420 486 550 280 534 641 412 477 565 425 515 370 441 404 399 352 403 345 319 327 273 248 251 284 187 290 288 249 219 200 234 152 163 202 245 186 211 213 151 172 188 230 145 170 104 107 154 79 180 84 98 148 74 81 145 170 170 75 42 53 95 47 39 77 57 68 60 54 64 -59 59 49 46 -27 55 -53 21 -45 58 -15 -72 55 -46 -83 10 87 -52 60 -75 -57 -42 -48 22 -30 82 74 89 43 -55 -48 -79