% Orbital Velocity Derived Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 29 42 32 25 15 24 23 58 74 113 216 285 319 278 179 192 135 201 103 206 211 140 136 123 134 121 136 143 112 103 94 111 88 38 46 82 66 97 111 94 86 57 67 60 51 63 61 69 84 64 53 37 23 40 32 74 67 -32 -54 21 16 11 -12 86 19 54 70 92 -10 37 54 69 -13 62 51 42 33 -80 52 -80 79 29 69 52 64 69 67 26 -19 -75 -80 -45 39 24 94 -30 28 -31 39 -60 61 41 -42 27 35 21 -36 75 -69 -51 -67 -32 26 51 -29 -40 69 -8 -79 57 56 -57 -21 38 50 -33 81 -82