% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 55 80 107 116 147 81 151 170 633 492 583 755 747 440 368 337 237 384 380 281 338 224 337 477 614 1173 1124 1246 805 563 619 779 526 605 596 577 422 668 558 495 453 508 503 490 538 483 502 746 531 421 641 776 751 1179 1251 709 2091 4102 3754 4000 3150 5477 1470 11480 12191 5413 7379 10719 10503 13498 10565 11482 11426 3760 16207 8643 8121 7180 -5195 14543 -7898 11193 10582 3501 3176 -8686 7285 -4546 -7820 4210 8852 9901 7008 8868 11980 13736 -4288 6245 -4711 3893 -4285 -4949 -4807 7032 3813 2961 4719 6229 -8662 -2144 571 -1286 4200 12572 -7400 6801 7627 9052 2230 -5845 4100 4241 11405 -2722 -7811 -6775 7478 6421