% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 30 34 40 64 48 63 45 88 108 148 135 106 287 322 354 316 422 297 235 269 422 336 344 329 249 225 146 158 135 137 95 111 108 79 138 93 97 63 59 59 71 56 65 76 49 61 62 55 75 63 83 96 72 70 73 58 80 142 43 63 83 97 124 119 111 71 121 58 73 88 40 75 87 41 46 -46 39 -63 36 -41 57 -44 62 -45 -43 88 -73 55 -24 -7 54 10 37 46 43 -32 38 35 3 -28 -19 81 57 -28 53 48 -34 40 -46 69 65 -82 -14 -36 -20 -9 -61 -81 -35 17 62 -35 38 -53 42 34 -56 42