year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 03, 14, 05, 01,  120.380325,   22.517899,   7,   0,  314.138794,    5.296634,   140,  1811
 2021, 03, 14, 05, 01,  120.351158,   22.545362,   8,  63,  320.549164,    6.749840,   145,  1813
 2021, 03, 14, 05, 01,  120.320923,   22.834024,   8,  45,  312.154449,    4.967309,   188,  1808
 2021, 03, 14, 05, 01,  109.925865,   21.161341,   8,  66,  307.659637,   12.188260,   246,  2990
 2021, 03, 14, 05, 01,  120.205811,   23.662531,   9,  87,  331.832642,   18.754818,   313,  1795
 2021, 03, 14, 05, 01,  120.198013,   23.661264,   9,  91,  339.034882,   25.985626,   313,  1796
 2021, 03, 14, 05, 01,  120.699867,   23.782797,   9,  81,  322.985168,   10.319929,   319,  1730
 2021, 03, 14, 05, 01,  120.692230,   23.781597,   8,  77,  319.147400,    7.367246,   319,  1731
 2021, 03, 14, 05, 01,  116.510529,   23.319691,   8,  64,  307.409790,    5.037995,   358,  2195
 2021, 03, 14, 05, 01,  109.558983,   21.915028,   8,  64,  309.037628,   16.947302,   364,  3000
 2021, 03, 14, 05, 01,  109.560463,   21.919695,   8,  60,  306.631805,   13.864673,   372,  2999
 2021, 03, 14, 05, 01,  109.549934,   21.917175,   8,  43,  301.904266,    8.966107,   372,  3000
 2021, 03, 14, 05, 01,  120.609131,   24.140648,   9,  90,  336.324921,   21.374893,   374,  1729
 2021, 03, 14, 05, 01,  120.601524,   24.139435,   9,  87,  330.417328,   16.212076,   374,  1730
 2021, 03, 14, 05, 01,  120.697861,   24.466000,   9,  92,  340.710907,   27.965530,   420,  1707
 2021, 03, 14, 05, 01,  120.706848,   24.501598,   8,  76,  315.653748,    7.684658,   425,  1705
 2021, 03, 14, 05, 01,  116.306976,   23.893009,   8,  48,  308.589478,    6.462318,   449,  2199
 2021, 03, 14, 05, 01,  116.312599,   23.902357,   9,  85,  327.168304,   19.396156,   450,  2198
 2021, 03, 14, 05, 01,  116.305443,   23.900993,   9,  94,  362.685303,   73.082176,   450,  2199
 2021, 03, 14, 05, 01,  121.033081,   24.850582,   8,  79,  321.813141,   10.443706,   469,  1652
 2021, 03, 14, 05, 01,  118.527237,   24.707687,   9,  87,  332.852844,   22.825851,   508,  1958
 2021, 03, 14, 05, 01,  111.815742,   24.175329,   8,  33,  300.995514,    3.958767,   621,  2668
 2021, 03, 14, 05, 01,  113.728493,   24.758850,   8,  39,  304.160828,    6.612230,   649,  2448