ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2015/08/16/0629Z   FCST  17.3  114.2  |  2015/08/16/0600Z   BEST  17.2  114.0  |  15.0 
2015/08/16/1200Z   FCST  18.0  115.2  |  2015/08/16/1200Z   BEST  18.1  115.3  |   6.1 
2015/08/16/1800Z   FCST  18.9  116.5  |  2015/08/16/1800Z   BEST  18.9  116.7  |  10.5 
2015/08/17/0000Z   FCST  19.7  117.8  |  2015/08/17/0000Z   BEST  19.3  118.1  |  31.0 
2015/08/17/0530Z   FCST  20.1  119.6  |  2015/08/17/0600Z   BEST  20.3  119.4  |  19.4 
2015/08/17/1200Z   FCST  21.0  120.6  |  2015/08/17/1200Z   BEST  21.5  120.6  |  28.8 
2015/08/17/1800Z   FCST  22.3  121.5  |  2015/08/17/1800Z   BEST  22.6  122.1  |  36.6 
2015/08/18/0000Z   FCST  23.6  123.3  |  2015/08/18/0000Z   BEST  23.7  123.7  |  21.5 
2015/08/18/0600Z   FCST  24.9  125.1  |  2015/08/18/0600Z   BEST  24.5  125.0  |  26.1