% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 601 746 811 570 471 302 468 637 587 1098 1878 4151 3001 1584 1961 2204 1360 1492 1088 1269 1145 1385 1704 2067 1154 1132 1185 934 1118 562 686 856 881 564 1090 1220 970 665 999 1355 940 600 1166 1415 1379 1749 1807 1879 2142 1950 2434 1773 3772 4006 4864 5625 7492 10968 7463 11396 16487 13879 19445 22120 25447 15923 19129 13870 20954 20739 17835 13920 17611 22558 18589 12738 19297 24679 23187 14248 19384 7687 14853 -4346 12843 13078 14313 -8087 15463 18776 21171 19035 13404 13762 16475 -13160 -2788 6320 7218 -7039 -4277 12768 14365 13260 12254 11341 -7375 -12149 -9653 -3908 -10573 9659 -9801 9864 10561 -4104 11891 6746 -12947 -12390 2847 -8964 -8908 -11492 -5053 2128 8660 7039