type   sat      day     hms     lat     lon     pre   spd   dir   rff    qi
VIS    CRIS    20190707  0430  -73.43   114.32   103   25.2  340  -0.01  0.51
VIS    CRIS    20190707  0430  -74.46   110.40   103   22.8  336  -0.01  0.61
VIS    CRIS    20190707  0430  -73.43   114.32   103   25.2  340  -0.01  0.51
VIS    CRIS    20190707  0430  -74.42   109.58   118   23.0  336  -0.01  0.61
VIS    CRIS    20190707  0430  -74.42   109.58   118   23.0  336  -0.01  0.61
VIS    CRIS    20190707  0430  -74.58   110.42   134   20.3  344  -0.01  0.51
VIS    CRIS    20190707  0430  -74.58   110.42   134   20.3  344  -0.01  0.51