% 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) 219 146 93 83 49 45 30 48 45 114 191 173 305 583 789 675 673 540 454 354 378 398 315 393 484 745 748 570 937 662 545 595 749 480 691 485 365 446 389 318 351 349 284 295 259 277 258 298 260 297 333 269 207 214 191 179 176 191 162 172 134 156 183 136 167 165 161 158 105 130 112 105 106 122 129 96 87 93 110 87 82 79 72 57 77 53 88 79 51 84 36 58 48 24 53 57 25 47 44 51 49 33 35 -30 54 -15 -41 -37 23 22 -34 25 -36 -35 -35 40 5 -36 31 -30 -29 -25 -41 -33 -13 -19 -41 -38