ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2018/04/23/1300Z   FCST -16.0  -53.0  |  2018/04/23/1200Z   BEST -15.8  -52.9  |  15.8 
2018/04/23/1800Z   FCST -17.2  -53.5  |  2018/04/23/1800Z   BEST -17.5  -54.1  |  37.9 
2018/04/24/0000Z   FCST -18.9  -54.9  |  2018/04/24/0000Z   BEST -19.5  -55.1  |  40.0 
2018/04/24/0600Z   FCST -20.9  -55.9  |  2018/04/24/0600Z   BEST -21.3  -56.2  |  30.3 
2018/04/24/1200Z   FCST -22.5  -57.0  |  2018/04/24/1200Z   BEST -22.8  -57.2  |  19.0 
2018/04/24/1800Z   FCST -23.8  -57.9  |  2018/04/24/1800Z   BEST -23.8  -58.1  |  13.7 
2018/04/25/0000Z   FCST -24.5  -58.6  |  2018/04/25/0000Z   BEST -24.6  -59.1  |  27.0 
2018/04/25/0600Z   FCST -25.0  -59.7  |  2018/04/25/0600Z   BEST -25.6  -59.9  |  38.5