% 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) 56 90 78 64 39 8 68 229 319 229 141 130 186 462 334 497 335 354 396 547 271 361 276 379 262 303 204 449 538 539 703 618 634 677 488 644 490 416 438 390 377 316 279 291 312 281 263 244 231 239 271 214 175 299 250 209 240 199 158 230 198 217 152 146 160 129 165 199 174 158 177 177 110 135 95 118 121 136 92 86 95 87 84 91 63 79 93 96 74 61 86 86 55 64 40 41 40 62 35 69 -20 25 20 -21 48 28 16 -25 -28 -28 9 -43 26 -48 27 38 -25 -17 -8 -24 -37 -46 -19 -22 -62 25 -48 -4