year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 23, 02, 00,  121.576523,   66.132088,   9,  86,  329.091309,   35.268482,   102,  2789
 2020, 08, 23, 02, 00,  121.564445,   66.126358,   8,  68,  315.383301,   18.838060,   102,  2790
 2020, 08, 23, 02, 00,  121.555412,   66.139519,   9,  83,  324.003418,   28.820435,   103,  2789
 2020, 08, 23, 02, 00,  121.479630,   66.155884,   8,  63,  306.018555,   11.623091,   106,  2790
 2020, 08, 23, 02, 00,  121.467377,   66.150101,   8,  66,  311.407593,   15.323774,   106,  2791
 2020, 08, 23, 02, 00,  121.373116,   66.122925,   8,  46,  303.842010,   10.543581,   107,  2797
 2020, 08, 23, 02, 00,  121.360588,   66.116966,   8,  52,  302.363495,   10.135516,   107,  2798
 2020, 08, 23, 02, 00,  121.421829,   66.152229,   7,  12,  301.919189,    6.914719,   114,  2792
 2020, 08, 23, 02, 00,  121.409866,   66.216599,   8,  58,  308.326111,   13.005737,   118,  2786
 2020, 08, 23, 02, 00,  121.397743,   66.210846,   8,  63,  306.395966,   12.468243,   118,  2787
 2020, 08, 23, 02, 00,  121.424805,   66.241150,   8,  31,  302.016785,    8.609403,   119,  2783
 2020, 08, 23, 02, 00,  121.412788,   66.235435,   8,  39,  308.595001,   12.910492,   119,  2784
 2020, 08, 23, 02, 00,  114.243599,   64.006157,   9,  88,  332.815369,   87.768318,   280,  3145
 2020, 08, 23, 02, 00,  114.227097,   63.995319,   9,  80,  329.033478,   76.125557,   280,  3146
 2020, 08, 23, 02, 00,  114.234467,   64.025604,   8,  76,  320.750793,   53.904972,   281,  3144
 2020, 08, 23, 02, 00,  114.216743,   64.014000,   9, 100,  361.354614,  233.181488,   281,  3145
 2020, 08, 23, 02, 00,  111.277420,   64.456215,   8,  48,  308.168213,   31.437910,   477,  3166
 2020, 08, 23, 02, 00,  111.266373,   64.454933,   8,  65,  309.892365,   34.927498,   486,  3166