year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 04, 04, 14,  118.543480,   54.040005,   8,  51,  307.806702,    6.807181,   138,  2104
 2020, 07, 04, 04, 14,  118.539192,   54.047237,   9,  87,  330.116943,   28.234455,   139,  2104
 2020, 07, 04, 04, 14,  118.525024,   54.044132,   9,  80,  320.881348,   17.943941,   139,  2105
 2020, 07, 04, 04, 14,  109.687111,   53.720490,   8,  63,  326.420044,   22.905798,   413,  2669
 2020, 07, 04, 04, 14,  109.677368,   53.717484,   8,  55,  313.463226,   10.579702,   413,  2670
 2020, 07, 04, 04, 14,  109.689812,   53.720470,   8,  79,  321.144745,   17.824442,   419,  2668
 2020, 07, 04, 04, 14,  109.679802,   53.717312,   9,  80,  321.279846,   17.970345,   419,  2669
 2020, 07, 04, 04, 14,  109.276115,   53.638279,   8,  58,  306.953400,    8.084803,   423,  2706
 2020, 07, 04, 04, 14,  109.266357,   53.635170,   8,  65,  309.641083,   10.093819,   423,  2707
 2020, 07, 04, 04, 14,  109.274529,   53.650055,   9, 100,  374.869141,  133.134598,   424,  2706
 2020, 07, 04, 04, 14,  109.263817,   53.646664,   9, 100,  386.638428,  181.074951,   424,  2707
 2020, 07, 04, 04, 14,  109.252525,   53.643078,   9, 100,  430.359833,  475.940918,   424,  2708
 2020, 07, 04, 04, 14,  109.242050,   53.639755,   9,  94,  379.094879,  149.904160,   424,  2709
 2020, 07, 04, 04, 14,  110.066658,   54.341042,   9,  93,  343.175385,   41.771420,   485,  2589
 2020, 07, 04, 04, 14,  110.060425,   54.339146,   9,  83,  333.241089,   28.322809,   485,  2590
 2020, 07, 04, 04, 14,  114.161690,   56.010662,   9,  89,  334.332275,   29.473770,   555,  2274
 2020, 07, 04, 04, 14,  114.179756,   56.024380,   8,  49,  316.332489,   11.359500,   556,  2272
 2020, 07, 04, 04, 14,  114.167702,   56.021381,   8,  58,  317.915344,   12.373210,   556,  2273
 2020, 07, 04, 04, 14,  103.460777,   52.746437,   8,  77,  316.992950,   32.255898,   571,  3089
 2020, 07, 04, 04, 14,  103.444496,   52.740078,   9,  85,  326.652618,   54.312721,   571,  3090
 2020, 07, 04, 04, 14,  114.441940,   56.215046,   8,  56,  310.341553,    7.960829,   573,  2243
 2020, 07, 04, 04, 14,  114.429787,   56.212059,   9,  88,  332.530518,   27.284119,   573,  2244
 2020, 07, 04, 04, 14,  103.455963,   52.740299,   9,  85,  328.070374,   56.835911,   579,  3089
 2020, 07, 04, 04, 14,  103.440147,   52.734028,   8,  71,  311.162689,   21.994255,   579,  3090
 2020, 07, 04, 04, 14,  116.366791,   57.306400,   9,  92,  341.049133,   42.951630,   663,  2084
 2020, 07, 04, 04, 14,  116.361618,   57.313442,   9,  96,  350.500549,   58.559277,   664,  2084
 2020, 07, 04, 04, 14,  116.349251,   57.327084,   8,  69,  326.145081,   21.940561,   666,  2084
 2020, 07, 04, 04, 14,  116.327805,   57.330517,   8,  36,  314.518738,   11.481943,   667,  2085
 2020, 07, 04, 04, 14,  112.926743,   56.885895,   9, 100,  369.505127,  105.756721,   717,  2302