% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 30 25 24 17 19 38 36 100 131 137 123 155 140 254 233 192 170 121 76 93 147 92 99 76 98 101 98 92 121 109 70 95 49 57 45 46 41 56 40 27 15 33 27 34 38 28 35 37 5 24 24 52 32 16 27 12 31 47 -38 35 33 19 -32 -16 57 27 54 56 17 -49 75 4 51 18 19 65 -66 -34 4 -63 53 35 -36 -56 -57 17 46 56 23 72 -19 -80 -81 56 -70 72 -26 -56 64 -36 -35 38 53 72 -61 4 28 29 -52 47 71 -36 -38 -40 48 23 -56 26 -60 52 39 44 41 -16 -63 -74 -8 9