ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2020/09/17/1750Z   ARCR  19.8   53.4  |  2020/09/17/1800Z   BEST  19.7   53.7  |  16.7 
2020/09/17/2350Z   ARCR  20.5   54.2  |  2020/09/18/0000Z   BEST  20.5   54.2  |   3.8 
2020/09/18/1750Z   FCST  22.5   56.4  |  2020/09/18/1800Z   BEST  22.6   56.5  |   9.5 
2020/09/19/2350Z   ARCR  26.8   60.6  |  2020/09/20/0000Z   BEST  26.9   60.8  |  13.3 
2020/09/20/1150Z   FCST  28.3   62.3  |  2020/09/20/1200Z   BEST  28.0   62.6  |  25.3 
2020/09/20/2350Z   ARCR  28.9   63.7  |  2020/09/21/0000Z   BEST  29.0   63.7  |   3.5 
2020/09/21/1150Z   FCST  30.9   63.0  |  2020/09/21/1200Z   BEST  30.5   62.9  |  27.3 
2020/09/21/2350Z   FCST  34.2   62.1  |  2020/09/22/0000Z   BEST  34.6   61.4  |  40.2 
2020/09/22/1150Z   ARCR  39.1   62.7  |  2020/09/22/1200Z   BEST  39.1   63.5  |  36.9 
2020/09/22/1750Z   FCST  40.2   63.9  |  2020/09/22/1800Z   BEST  40.3   64.2  |  15.4 
2020/09/22/2350Z   FCST  41.7   64.1  |  2020/09/23/0000Z   BEST  41.8   64.2  |   5.3