% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 61 40 36 38 34 22 36 24 82 94 127 307 466 563 425 397 160 194 200 139 114 113 78 80 76 110 74 96 94 72 62 56 46 44 35 52 86 42 57 53 45 59 57 74 49 40 46 33 72 60 71 84 71 90 100 77 79 82 64 78 89 28 75 59 98 53 73 34 -13 -37 -58 -50 70 52 -23 22 78 -38 -37 86 -41 53 -34 48 -30 -42 -42 -52 54 55 -26 48 58 71 -47 -55 43 -32 -53 -66 21 60 18 69 53 -11 -26 -47 7 20 58 34 -33 -46 12 -32 33 67 -7 -36 -46 -39 -46 -22 27 -11 -14 30