# dh is 'reliable' (usually a gyro) minus 'accurate' # reliable instrument, message = gyro,hdg # accurate instrument, message = posmv,pmv # dday mean_hdg last_hdg mean_dh std_dh num badflag 118.1926695 126.02 122.15 -0.72 0.07 296 0 118.1961548 117.89 113.94 -0.72 0.07 296 0 118.1996505 114.60 117.04 -0.55 0.04 297 0 118.2031140 122.27 126.55 -0.57 0.05 295 0 118.2065962 129.12 132.49 -0.61 0.05 296 0 118.2100501 135.35 136.56 -0.72 0.04 294 0 118.2135404 105.03 -7.22 -1.20 0.56 297 0 118.2169719 -9.25 -3.85 -0.70 0.35 292 0 118.2204910 4.20 5.58 -0.24 0.05 300 0 118.2239171 6.36 13.04 -0.35 0.04 292 0 118.2274326 75.45 125.14 -0.22 0.34 300 0 118.2309012 130.23 136.16 -0.87 0.10 295 0 118.2343699 135.30 132.82 -0.97 0.04 296 0 118.2378384 133.73 135.38 -0.82 0.04 296 0 118.2413071 134.37 132.41 -0.85 0.04 295 0 118.2447949 131.48 130.31 -0.91 0.04 298 0 118.2482636 128.28 127.35 -0.81 0.04 295 0 118.2517268 128.80 129.53 -0.73 0.03 294 0 118.2551813 131.92 132.63 -0.80 0.05 294 0 118.2586500 132.50 132.44 -0.86 0.03 296 0 118.2621186 133.40 142.63 -0.74 0.09 296 0 118.2655872 156.87 165.58 -0.64 0.06 295 0 118.2690866 158.90 155.17 -0.80 0.04 299 0 118.2725412 155.57 154.49 -0.79 0.04 294 0 118.2760429 151.64 148.58 -0.58 0.09 299 0 118.2795029 152.83 177.04 -0.40 0.11 295 0 118.2829714 -173.81 -174.37 -0.63 0.10 295 0 118.2864294 -175.00 -176.28 -0.78 0.07 295 0 118.2898994 -176.48 -176.62 -0.87 0.02 296 0 118.2934062 -176.48 -176.65 -0.77 0.04 299 0 118.2968338 -176.49 -176.54 -0.71 0.03 292 0 118.3003412 -176.50 -176.60 -0.66 0.03 298 0 118.3037952 165.02 151.40 -0.71 0.08 293 0 118.3072496 151.48 151.45 -0.66 0.04 294 0 118.3107604 151.47 151.60 -0.69 0.04 298 0 118.3142146 151.48 151.42 -0.67 0.04 294 0 118.3176688 151.49 151.42 -0.63 0.03 293 0 118.3211797 151.50 151.34 -0.65 0.04 298 0 118.3246342 151.49 151.44 -0.69 0.04 294 0 118.3280888 151.49 151.16 -0.58 0.05 293 0 118.3316001 151.52 151.60 -0.56 0.05 299 0 118.3350550 151.51 151.38 -0.61 0.06 292 0 118.3385094 151.51 151.41 -0.70 0.05 294 0 118.3419640 151.58 151.84 -0.75 0.03 293 0 118.3454752 151.50 151.41 -0.67 0.06 299 0 118.3489298 151.49 151.58 -0.56 0.03 294 0 118.3523844 151.51 151.57 -0.54 0.03 294 0 118.3558956 151.54 151.55 -0.52 0.05 299 0 118.3593501 151.45 151.55 -0.54 0.04 293 0 118.3628047 151.55 151.56 -0.68 0.04 294 0 118.3663158 151.51 151.32 -0.70 0.03 298 0 118.3697703 151.54 151.55 -0.67 0.03 294 0 118.3732248 151.53 151.50 -0.73 0.03 293 0 118.3767363 150.94 152.88 -0.77 0.04 299 0 118.3801912 149.13 148.35 -0.76 0.04 294 0 118.3836461 145.99 144.02 -0.67 0.04 294 0 118.3871575 144.49 144.49 -0.68 0.03 299 0 118.3906125 144.54 144.58 -0.75 0.03 293 0 118.3940674 146.68 149.16 -0.76 0.05 294 0 118.3975224 148.07 146.91 -0.70 0.05 293 0 118.4010341 146.47 146.57 -0.66 0.03 299 0 118.4044895 146.51 146.44 -0.74 0.05 293 0 118.4079448 146.95 147.53 -0.76 0.03 294 0 118.4114567 150.51 151.72 -0.74 0.04 298 0 118.4149119 151.43 150.99 -0.79 0.03 294 0 118.4183671 151.54 152.47 -0.81 0.05 292 0 118.4218789 151.46 150.84 -0.81 0.05 299 0 118.4253341 151.44 151.07 -0.80 0.04 293 0 118.4287894 151.48 152.73 -0.72 0.06 294 0 118.4322446 151.47 152.57 -0.70 0.05 293 0 118.4357561 151.49 152.33 -0.74 0.04 299 0 118.4392109 151.50 151.59 -0.68 0.06 293 0 118.4426657 151.50 151.69 -0.50 0.04 294 0 118.4461769 151.44 151.64 -0.41 0.05 298 0 118.4496315 151.51 151.50 -0.38 0.04 294 0 118.4530860 151.47 151.54 -0.43 0.04 293 0 118.4565969 151.51 151.17 -0.47 0.05 298 0 118.4600511 151.55 151.82 -0.69 0.08 294 0 118.4635055 151.48 151.29 -0.85 0.04 293 0 118.4670166 151.51 151.31 -0.89 0.04 299 0 118.4704710 148.81 147.52 -0.95 0.04 293 0 118.4739254 147.48 147.42 -0.88 0.03 294 0 118.4773802 147.50 147.50 -0.88 0.03 293 0 118.4808919 144.69 144.36 -0.85 0.05 299 0 118.4843469 144.50 144.64 -0.73 0.05 294 0 118.4878018 145.49 146.55 -0.69 0.05 294 0 118.4913129 146.48 146.36 -0.70 0.04 299 0 118.4947672 147.55 153.36 -0.66 0.08 293 0 118.4982215 156.74 159.68 -0.69 0.06 294 0 118.5017324 161.96 162.53 -0.75 0.06 297 0 118.5051858 165.16 167.79 -0.74 0.06 294 0 118.5086366 167.44 167.36 -0.75 0.04 294 0 118.5121514 167.94 168.41 -0.69 0.05 298 0 118.5155955 168.44 168.60 -0.61 0.04 293 0 118.5190670 168.44 168.81 -0.64 0.03 295 0 118.5225721 168.44 168.28 -0.66 0.04 299 0 118.5260189 168.46 168.12 -0.67 0.03 294 0 118.5294932 168.36 163.86 -0.65 0.07 296 0 118.5329681 145.75 142.39 -0.74 0.12 296 0 118.5364413 142.51 142.53 -0.64 0.05 296 0 118.5399106 142.49 142.13 -0.65 0.04 296 0 118.5433792 142.49 142.41 -0.65 0.05 295 0 118.5468787 141.41 140.15 -0.62 0.04 298 0 118.5503474 143.42 151.57 -0.60 0.11 296 0 118.5538141 149.23 148.13 -0.65 0.06 295 0 118.5572827 148.52 148.30 -0.71 0.05 296 0 118.5607514 148.48 148.63 -0.77 0.05 295 0 118.5642093 149.76 150.31 -0.73 0.05 295 0 118.5676780 150.45 150.23 -0.71 0.06 296 0 118.5711467 148.56 143.07 -0.70 0.06 296 0 118.5746375 143.51 143.64 -0.76 0.05 297 0 118.5780976 143.48 143.74 -0.76 0.06 295 0 118.5815662 143.51 143.33 -0.67 0.05 296 0 118.5850348 143.40 143.73 -0.59 0.04 295 0 118.5885034 143.52 142.71 -0.51 0.06 295 0 118.5919977 139.38 138.40 -0.49 0.07 298 0 118.5954677 146.80 170.37 -0.44 0.06 296 0 118.5989385 -144.36 -126.67 -0.41 0.14 296 0 118.6024079 -115.89 -110.17 -0.63 0.08 296 0 118.6058765 -108.21 -100.21 -0.73 0.07 295 0 118.6093370 -95.03 -95.26 -0.71 0.05 295 0 118.6128057 -102.08 -129.94 -0.85 0.17 296 0 118.6163212 162.85 150.77 -1.26 0.18 300 0 118.6197738 114.41 72.72 -1.30 0.28 294 0 118.6232337 68.76 30.87 -0.91 0.20 295 0 118.6267265 4.32 -8.43 -0.68 0.26 298 0 118.6301952 -8.35 -6.47 -0.48 0.11 295 0 118.6336638 -6.10 -5.75 -0.51 0.07 296 0 118.6371325 -8.57 -8.44 -0.63 0.04 296 0 118.6406146 1.63 27.00 -0.51 0.15 297 0 118.6440833 40.11 50.85 -0.65 0.14 295 0 118.6475673 72.25 91.57 -0.81 0.16 297 0 118.6510219 111.05 126.28 -0.88 0.19 295 0 118.6544732 126.44 125.73 -1.04 0.04 294 0 118.6579887 122.48 121.15 -0.92 0.10 300 0 118.6614469 114.06 87.92 -0.84 0.11 295 0 118.6649102 88.19 79.95 -0.77 0.19 295 0 118.6683971 66.88 65.22 -0.80 0.05 295 0 118.6718656 66.51 65.33 -0.71 0.05 296 0 118.6753291 68.05 71.49 -0.71 0.03 295 0 118.6787923 69.99 69.75 -0.76 0.03 295 0 118.6822825 69.63 69.56 -0.78 0.02 298 0 118.6857502 69.61 69.56 -0.82 0.01 295 0 118.6891866 69.58 69.62 -0.76 0.02 293 0 118.6926692 69.60 69.56 -0.69 0.02 296 0 118.6961465 69.58 69.56 -0.73 0.04 296 0 118.6996114 69.56 69.69 -0.76 0.03 295 0 118.7031011 69.55 69.60 -0.71 0.01 296 0 118.7065748 69.52 69.54 -0.73 0.01 296 0 118.7100708 69.52 69.53 -0.74 0.01 298 0 118.7135333 69.51 69.46 -0.80 0.02 295 0 118.7169668 69.48 69.50 -0.84 0.01 291 0