% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 36 64 43 45 46 41 92 106 199 634 321 317 227 266 315 362 284 224 349 300 233 203 204 171 198 215 224 146 207 123 143 148 179 170 92 163 74 105 126 47 82 59 75 46 69 52 33 36 59 34 19 -8 45 50 -38 35 25 -52 67 32 -45 59 52 68 -37 34 92 -45 -22 -59 25 -65 86 -42 -40 15 -27 56 -70 -68 34 28 58 -75 -56 68 37 -67 -28 46 -41 -59 60 -22 -67 -39 -32 26 -43 51 -79 36 -60 -28 -88 -14 -19 74 7 40 -53 68 -17 -73 72 34 -17 58 39 14 62 -45 88 -36 -70 -64 -16 64