ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2017/07/21/1920Z   FCST  19.7 -122.0  |  2017/07/21/1800Z   BEST  19.6 -122.2  |  15.5 
2017/07/21/2339Z   FCST  20.1 -121.3  |  2017/07/22/0000Z   BEST  20.7 -120.8  |  43.5 
2017/07/22/0550Z   FCST  21.2 -119.8  |  2017/07/22/0600Z   BEST  21.1 -119.4  |  26.2 
2017/07/22/1209Z   FCST  21.7 -117.8  |  2017/07/22/1200Z   BEST  21.8 -117.6  |   9.9 
2017/07/22/1809Z   FCST  22.2 -116.1  |  2017/07/22/1800Z   BEST  21.9 -116.4  |  25.5