year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 15, 18, 02,  118.090843,   39.803673,   8,  65,  305.530487,    4.587149,   386,  1647
 2020, 07, 15, 18, 02,  118.053452,   39.802841,   8,  77,  309.195435,    6.361862,   387,  1643
 2020, 07, 15, 18, 02,  118.187080,   39.781281,   8,  68,  306.392365,    5.135454,   387,  1658
 2020, 07, 15, 18, 02,  117.950043,   39.608498,   8,  73,  307.913330,    5.784530,   418,  1639
 2020, 07, 15, 18, 02,  115.937218,   39.749516,   8,  64,  305.396637,    4.797990,   442,  1420
 2020, 07, 15, 18, 02,  117.417686,   38.815746,   8,  79,  310.069214,    5.751233,   547,  1610
 2020, 07, 15, 18, 02,  117.415993,   38.809181,   9,  82,  311.235992,    6.367598,   548,  1610