% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 31 26 31 38 20 28 35 23 45 76 117 294 409 513 410 504 315 225 308 300 368 286 249 293 128 241 170 224 209 231 144 157 59 84 142 132 76 103 85 71 82 57 51 58 55 99 63 63 80 51 71 79 75 51 47 61 33 51 38 -51 72 -16 42 105 40 17 37 -23 -8 88 -53 43 22 -42 99 -27 -25 27 71 82 16 -67 34 62 15 -56 73 50 -47 13 83 45 49 73 -40 53 8 11 18 -86 -50 44 31 -46 69 -10 78 -71 52 62 51 -39 -57 -43 64 -15 27 -41 45 -22 -71 -35 38 -47 -31 37 60 39