year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 11, 12, 04, 43,  121.961868,   -1.622818,   8,  72,  312.352051,    8.386829,     3,  2665
 2020, 11, 12, 04, 43,  121.761894,   -1.653559,   8,  56,  304.667603,    5.307762,     3,  2696
 2020, 11, 12, 04, 43,  121.755241,   -1.654582,   8,  74,  314.220978,   11.956751,     3,  2697
 2020, 11, 12, 04, 43,  122.104942,   -1.579495,   8,  69,  309.792297,    7.205752,     5,  2642
 2020, 11, 12, 04, 43,  121.890228,   -1.536539,   8,  60,  314.397919,   10.611484,    12,  2675
 2020, 11, 12, 04, 43,  121.887947,   -1.526076,   8,  65,  329.474579,   25.281191,    13,  2675
 2020, 11, 12, 04, 43,  121.892838,   -1.526173,   8,  69,  317.725891,   12.783370,    19,  2673
 2020, 11, 12, 04, 43,  121.886841,   -1.527094,   9,  86,  328.998474,   24.637169,    19,  2674
 2020, 11, 12, 04, 43,  121.905121,   -1.481133,   8,  60,  304.908508,    4.502057,    23,  2670
 2020, 11, 12, 04, 43,  120.198570,   -1.726182,   9,  84,  325.582855,   33.405197,    24,  2902
 2020, 11, 12, 04, 43,  121.883278,   -1.462843,   8,  77,  316.653961,   13.155722,    25,  2673
 2020, 11, 12, 04, 43,  121.877579,   -1.463693,   8,  59,  306.339203,    5.579670,    25,  2674
 2020, 11, 12, 04, 43,  121.750282,   -1.441450,   8,  65,  307.231110,    5.880099,    35,  2692
 2020, 11, 12, 04, 43,  121.704544,   -1.415741,   7,  23,  301.879791,    3.331421,    38,  2698
 2020, 11, 12, 04, 43,  121.738052,   -1.345344,   8,  76,  315.875488,   13.453650,    44,  2692
 2020, 11, 12, 04, 43,  121.730843,   -1.346409,   8,  77,  322.273468,   19.443380,    44,  2693
 2020, 11, 12, 04, 43,  121.738235,   -1.346705,   8,  57,  314.621796,   13.648340,    50,  2691
 2020, 11, 12, 04, 43,  121.731239,   -1.347793,   8,  59,  323.862274,   22.463717,    50,  2692
 2020, 11, 12, 04, 43,  121.960884,   -1.290706,   8,  78,  317.827942,   13.299944,    52,  2655
 2020, 11, 12, 04, 43,  121.954681,   -1.291666,   8,  76,  315.603821,   11.657172,    52,  2656
 2020, 11, 12, 04, 43,  121.890678,   -1.301505,   8,  63,  306.009918,    5.369151,    52,  2666
 2020, 11, 12, 04, 43,  127.910385,    1.301458,   8,  68,  309.015106,    4.152199,   300,  1904
 2020, 11, 12, 04, 43,  128.648727,    1.566971,   8,  75,  314.240265,    9.157483,   323,  1799
 2020, 11, 12, 04, 43,  124.625191,    1.075556,   8,  48,  301.685333,    3.548824,   342,  2290
 2020, 11, 12, 04, 43,  122.489227,    0.986232,   8,  36,  305.836243,    6.346693,   377,  2521