type   sat      day     hms     lat     lon     pre   spd   dir   rff    qi
VIS    AIRS    20190109  1159   74.48   116.11   424   14.4  287  -0.01  0.42
VIS    AIRS    20190109  1159   85.84    19.98   424    5.5  194  -0.01  0.55
VIS    AIRS    20190109  1159   87.23    47.89   442    5.7  157  -0.01  0.43
VIS    AIRS    20190109  1159   85.80    18.09   442    6.3  195  -0.01  0.58
VIS    AIRS    20190109  1159   88.28    82.06   460    1.7  351  -0.01  0.54
VIS    AIRS    20190109  1159   88.28    82.06   478    3.9  231  -0.01  0.58
VIS    AIRS    20190109  1159   88.28    82.06   497    4.2  235  -0.01  0.50
VIS    AIRS    20190109  1159   85.79    20.30   555    8.8  178  -0.01  0.56
VIS    AIRS    20190109  1159   85.80    18.09   576    9.3  182  -0.01  0.56
VIS    AIRS    20190109  1159   87.99    79.80   684    9.9   50  -0.01  0.49