navg yyyy MM dd hh mm ss lat lon sog cog  ssst  corr T1 T2 k1 k2 ksea ksky esea pitch stdpitch roll stdroll rain
1 2019 09 23 22 50 00 18.12864 126.16823 0.8 164   -999.000  -999.000 30.459 48.770 -999.0 241288.5 -999.0 -999.0 0.00000 3.6 1.5 -0.6 1.6 0.00
2 2019 09 23 23 00 00 18.12636 126.16877 0.8 166   28.733  29.252 30.769 49.063 192093.1 242367.2 185842.1 121735.5 0.98718 3.2 1.3 -0.1 1.5 0.00
3 2019 09 23 23 10 00 18.12206 126.16987 0.8 166   28.740  29.287 31.228 49.489 193337.4 243740.6 186006.7 127340.9 0.98720 3.3 1.2 -0.2 1.4 0.00
4 2019 09 23 23 20 00 18.11740 126.17055 1.1 187   28.850  29.309 31.498 49.738 193977.2 244631.3 185990.5 110411.9 0.98725 3.3 1.4 -0.3 1.6 0.00
5 2019 09 23 23 30 00 18.11358 126.16593 1.4 264   28.800  29.251 31.826 49.938 194833.2 245641.4 185817.1 109281.5 0.98741 3.6 2.2 -0.6 2.8 0.00
6 2019 09 23 23 40 00 18.11596 126.16065 1.1 249   37.059  38.472 32.147 0.000 195600.7 246238.3 185817.5 108912.4 0.98739 3.5 1.5 -0.5 1.6 0.00
7 2019 09 23 23 50 00 18.12235 126.16065 1.4 131   28.817  29.273 31.970 49.909 195080.1 245291.3 185757.8 109754.3 0.98731 3.4 2.4 -0.4 2.3 0.00