ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2018/09/08/1800Z   FCST  16.3  116.3  |  2018/09/08/1800Z   BEST  15.7  116.4  |  35.0 
2018/09/09/0000Z   EXTP  15.8  117.2  |  2018/09/09/0000Z   BEST  15.9  117.0  |  11.3 
2018/09/09/0600Z   FCST  16.4  117.5  |  2018/09/09/0600Z   BEST  16.8  117.3  |  27.7 
2018/09/09/1200Z   FCST  17.4  117.7  |  2018/09/09/1200Z   BEST  17.6  117.9  |  14.2 
2018/09/09/1800Z   FCST  18.2  118.3  |  2018/09/09/1800Z   BEST  18.2  118.5  |   9.8 
2018/09/10/0000Z   EXTP  18.8  119.0  |  2018/09/10/0000Z   BEST  19.1  119.2  |  21.5 
2018/09/10/0600Z   FCST  19.7  119.7  |  2018/09/10/0600Z   BEST  19.8  119.6  |   6.7 
2018/09/10/1200Z   FCST  20.4  120.2  |  2018/09/10/1200Z   BEST  20.5  120.3  |  10.0 
2018/09/10/1800Z   FCST  21.0  121.1  |  2018/09/10/1800Z   BEST  21.1  120.9  |  11.7 
2018/09/11/0000Z   EXTP  21.5  121.6  |  2018/09/11/0000Z   BEST  21.4  121.6  |   8.5 
2018/09/11/0600Z   FCST  21.7  122.5  |  2018/09/11/0600Z   BEST  21.8  122.6  |   7.5 
2018/09/11/1200Z   FCST  22.0  123.6  |  2018/09/11/1200Z   BEST  22.1  123.6  |   6.9 
2018/09/11/1800Z   FCST  22.4  124.7  |  2018/09/11/1800Z   BEST  22.2  124.7  |  11.5 
2018/09/12/0000Z   FCST  22.4  125.7  |  2018/09/12/0000Z   BEST  22.3  126.0  |  18.4 
2018/09/12/0600Z   EXTP  22.4  127.1  |  2018/09/12/0600Z   BEST  22.3  127.0  |   9.8