% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 88 70 75 55 71 52 52 116 274 488 427 221 233 272 222 258 282 277 236 237 208 211 264 210 243 197 189 85 117 200 99 137 133 70 56 66 72 -52 -61 91 71 -130 -121 97 -139 -207 -282 -224 235 -592 -558 -778 -993 -547 651 1866 -2070 -2166 912 4244 6498 -8637 -5620 -17719 -14120 -15257 -11581 -8857 -13572 -9300 -11418 12869 -19039 15677 -3193 2141 10407 10777 -4914 -16392 6241 -11091 -10841 -16015 -13855 -10365 -6814 -10418 -12543 -11783 -4984 12459 11909 -11965 -14208 -17887 -21201 8866 18477 -8176 -11418 1865 -8378 -8385 18539 -2159 16871 -2991 4753 -12337 4057 -12995 -9598 -4339 18662 17937 -14801 -10071 13415 -5827 -12538 23617 -10129 -12005 4710 -10127 -16232 -10370