% Pressure Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 17 5 4 9 10 7 9 6 0 9 6 4 2 5 4 7 11 -6 7 6 3 -5 -3 -6 4 -5 2 8 -3 -5 2 4 -7 -4 0 8 -6 4 5 7 5 18 10 8 9 -2 12 8 11 -5 -6 6 -4 -5 7 8 -8 -6 -4 6 11 8 15 7 12 -8 8 -8 6 -5 8 10 7 -9 8 -8 10 6 7 10 -8 12 9 7 14 8 3 -5 -9 12 -5 -5 -7 12 18 11 14 12 -5 -9 -4 -3 -3 0 -6 -8 -8 1 -7 5 13 -2 -6 -6 13 2 2 15 -1 8 -4 -9 -9 7 4 8 -9 -6