ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2015/09/01/0730Z   FCST  12.8  113.2  |  2015/09/01/0600Z   BEST  12.3  113.1  |  29.5 
2015/09/01/1200Z   FCST  12.9  113.5  |  2015/09/01/1200Z   BEST  12.8  113.6  |   7.2 
2015/09/01/1800Z   FCST  13.3  113.8  |  2015/09/01/1800Z   BEST  13.3  114.0  |  10.6 
2015/09/02/0000Z   FCST  14.2  114.4  |  2015/09/02/0000Z   BEST  14.1  114.4  |   3.7 
2015/09/02/0600Z   FCST  14.8  114.8  |  2015/09/02/0600Z   BEST  14.9  114.7  |  10.6 
2015/09/02/1200Z   FCST  15.6  115.2  |  2015/09/02/1200Z   BEST  15.6  114.9  |  19.0 
2015/09/02/1800Z   FCST  16.6  115.1  |  2015/09/02/1800Z   BEST  16.2  115.1  |  21.6 
2015/09/03/0000Z   FCST  17.2  114.9  |  2015/09/03/0000Z   BEST  16.7  115.2  |  34.9 
2015/09/03/0600Z   FCST  17.3  115.0  |  2015/09/03/0600Z   BEST  17.2  115.4  |  23.1 
2015/09/03/1200Z   FCST  17.8  115.3  |  2015/09/03/1200Z   BEST  17.7  115.6  |  16.0 
2015/09/03/1800Z   FCST  18.2  115.6  |  2015/09/03/1800Z   BEST  18.5  115.8  |  21.2 
2015/09/04/0000Z   FCST  19.0  115.8  |  2015/09/04/0000Z   BEST  19.4  115.7  |  22.9 
2015/09/04/0600Z   FCST  20.1  115.8  |  2015/09/04/0600Z   BEST  20.2  115.5  |  18.9 
2015/09/04/1200Z   FCST  20.5  115.8  |  2015/09/04/1200Z   BEST  20.9  115.3  |  35.9 
2015/09/04/1800Z   FCST  21.5  115.2  |  2015/09/04/1800Z   BEST  21.6  115.1  |   8.7 
2015/09/05/0000Z   FCST  22.3  115.2  |  2015/09/05/0000Z   BEST  22.3  114.8  |  24.4 
2015/09/05/0600Z   FCST  23.0  115.3  |  2015/09/05/0600Z   BEST  22.8  114.6  |  39.5 
2015/09/05/1200Z   FCST  23.2  114.9  |  2015/09/05/1200Z   BEST  23.2  114.3  |  31.4