year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 12, 04, 37,  121.008812,   48.381313,   8,  76,  320.971924,   16.579082,   168,  1678
 2020, 10, 12, 04, 37,  120.740845,   48.337700,   7,   0,  378.820648,  100.669174,   168,  1704
 2020, 10, 12, 04, 37,  120.738426,   48.344234,   7,   0,  391.695557,  138.039322,   169,  1704
 2020, 10, 12, 04, 37,  120.728104,   48.342541,   8,  66,  331.578369,   23.541782,   169,  1705
 2020, 10, 12, 04, 37,  120.725670,   48.349083,   9,  94,  395.140900,  148.849747,   170,  1705
 2020, 10, 12, 04, 37,  120.723282,   48.355629,   9,  87,  343.442627,   35.718075,   171,  1705
 2020, 10, 12, 04, 37,  120.712921,   48.353931,   9,  94,  345.375366,   37.936905,   171,  1706
 2020, 10, 12, 04, 37,  120.682602,   48.376705,   7,   0,  321.396301,   16.142426,   175,  1708