% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 18 13 11 20 27 24 45 64 85 69 135 148 208 255 213 214 153 132 118 48 94 131 200 186 169 100 136 105 103 81 131 138 52 77 67 41 53 73 55 48 68 54 71 77 64 138 130 133 142 87 81 83 138 93 65 78 76 84 55 107 77 46 69 83 91 78 51 68 54 57 43 41 52 39 67 40 -6 -36 53 23 -29 26 30 83 -38 29 -31 32 -26 45 -60 53 -28 56 43 -30 -69 31 -34 63 -16 40 55 17 32 37 36 -7 -18 -26 -38 25 -25 35 24 -26 -63 -13 -14 19 -10 29 -19 47 -29 18 -36 -19