ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2019/07/13/0050Z   FCST  15.4  108.1  |  2019/07/13/0000Z   BEST  15.6  108.0  |  12.6 
2019/07/13/0550Z   FCST  16.1  109.0  |  2019/07/13/0600Z   BEST  16.4  109.2  |  22.7 
2019/07/13/1200Z   FCST  17.1  110.3  |  2019/07/13/1200Z   BEST  17.0  110.3  |   8.3 
2019/07/13/1800Z   FCST  17.5  111.7  |  2019/07/13/1800Z   BEST  17.3  111.7  |  13.4 
2019/07/14/0000Z   FCST  17.6  113.1  |  2019/07/14/0000Z   BEST  17.6  113.0  |   7.0 
2019/07/14/0600Z   FCST  17.8  114.4  |  2019/07/14/0600Z   BEST  18.0  114.2  |  15.4