% 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) 132 106 108 64 54 77 76 89 121 298 687 576 668 362 577 524 371 418 508 745 804 715 602 503 858 580 895 652 480 649 543 555 458 397 417 383 363 391 332 293 348 375 346 316 322 286 296 264 219 216 249 195 256 196 188 216 227 194 206 179 131 204 141 152 124 131 148 145 141 123 82 105 93 82 92 86 109 118 104 74 48 95 108 52 68 78 74 56 25 49 22 65 59 -10 30 38 64 42 -13 20 26 53 -28 16 -15 -20 41 -14 -12 -14 -41 -26 -28 25 20 19 -18 8 14 -50 -41 -23 -22 -33 -19 2 35 -31