% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 57 49 37 52 47 31 40 49 52 62 108 176 235 561 594 522 338 601 447 751 315 258 307 278 304 312 447 350 257 383 244 299 231 288 245 369 81 220 188 103 -31 195 32 189 -221 250 385 403 194 348 -627 139 975 386 -1912 2404 -2174 -3532 -3992 -5176 9813 4644 -9286 -11731 -3856 21827 28150 1517 -12741 -7304 -13609 9090 -15610 -9938 25867 14373 -4147 -14358 -4404 6647 -10559 -10401 -10258 -19044 -15976 -6113 -21127 -18018 -11912 -20735 -15274 -11743 -19027 -20608 12471 -15192 12946 13663 -15680 -11157 -19923 -11980 -13243 12393 16772 -14836 -9164 -18427 12571 20236 10897 10538 -12469 6678 13771 -13519 10582 20864 -9828 -8312 12893 13057 11025 -8831 -13688 -12708 8177 -13776