ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2018/09/12/1145Z   FCST  14.6   54.1  |  2018/09/12/1200Z   BEST  14.9   53.8  |  26.9 
2018/09/12/2345Z   FCST  15.5   57.4  |  2018/09/13/0000Z   BEST  15.3   57.2  |  15.1 
2018/09/13/0545Z   FCST  15.3   58.7  |  2018/09/13/0600Z   BEST  15.2   59.0  |  18.1 
2018/09/13/1145Z   FCST  15.5   60.4  |  2018/09/13/1200Z   BEST  15.0   61.0  |  44.9 
2018/09/15/0545Z   FCST  15.4   70.1  |  2018/09/15/0600Z   BEST  14.7   70.3  |  46.0