% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 55 33 77 54 46 81 40 51 70 94 161 206 164 320 363 440 256 407 340 341 236 332 123 193 155 120 93 115 151 130 141 132 181 111 122 90 83 121 221 192 106 260 170 399 -255 -222 638 357 -123 728 908 1024 1492 -507 -1372 3089 3774 -808 4613 -5663 13858 -14688 -12972 17466 27851 31456 -18725 -24682 -24656 -25879 -10760 25858 12199 8130 8602 8509 -28928 -11737 -15752 -14698 35207 -16326 -28221 43234 -17560 -9698 16268 -17603 20051 -13399 -10302 -12181 11975 -20287 -20951 -15145 2251 -31218 15570 23953 6465 22756 -18553 -12204 -11933 -11611 -22473 22153 16295 -18682 -22205 -9372 -24242 -14142 10389 17801 -12542 19173 23080 -30176 19914 -10549 -22508 33820 20588 9965 25937 16992