year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 17, 05, 33,  121.420914,   65.478203,   7,  24,  300.232452,    6.983796,    29,   441
 2020, 08, 17, 05, 33,  121.412773,   65.482040,   8,  60,  307.243866,   10.441323,    36,   441
 2020, 08, 17, 05, 33,  109.318939,   65.619370,   8,  39,  307.683411,    7.499249,   133,  1042
 2020, 08, 17, 05, 33,  109.339066,   65.629082,   8,  74,  316.195892,   14.774392,   134,  1041
 2020, 08, 17, 05, 33,  121.576874,   66.193680,   8,  62,  305.910095,   10.004650,   140,   429
 2020, 08, 17, 05, 33,  121.570877,   66.196175,   8,  68,  308.909088,   11.620831,   147,   429
 2020, 08, 17, 05, 33,  121.655617,   66.344963,   8,  62,  305.763428,    7.679447,   167,   424
 2020, 08, 17, 05, 33,  121.636993,   66.344971,   8,  66,  307.917847,    9.042008,   167,   425
 2020, 08, 17, 05, 33,  107.871895,   65.988380,   8,  48,  326.231110,   21.639679,   205,  1093
 2020, 08, 17, 05, 33,  107.958572,   66.004189,   8,  65,  317.738892,   14.233205,   206,  1089
 2020, 08, 17, 05, 33,  107.935509,   66.002068,   8,  55,  320.645294,   16.249079,   206,  1090
 2020, 08, 17, 05, 33,  107.954384,   66.011681,   8,  35,  330.484192,   25.656130,   207,  1089
 2020, 08, 17, 05, 33,  107.948853,   66.008713,   9,  94,  345.799866,   51.889294,   209,  1089
 2020, 08, 17, 05, 33,  107.925598,   66.006653,   8,  45,  327.935059,   22.993992,   209,  1090
 2020, 08, 17, 05, 33,  107.921326,   66.014137,   9, 100,  375.970154,  133.494873,   210,  1090
 2020, 08, 17, 05, 33,  107.898323,   66.012085,   9,  95,  346.639954,   52.376102,   210,  1091
 2020, 08, 17, 05, 33,  107.913475,   66.029175,   9, 100,  363.675690,   93.979408,   212,  1090
 2020, 08, 17, 05, 33,  107.890091,   66.027084,   8,  35,  329.487274,   24.139061,   212,  1091
 2020, 08, 17, 05, 33,  107.841949,   66.030609,   8,  31,  310.725464,    8.473942,   213,  1093
 2020, 08, 17, 05, 33,  107.883080,   66.042175,   9,  98,  355.680298,   72.913635,   214,  1091
 2020, 08, 17, 05, 33,  107.860710,   66.040154,   9,  97,  352.429474,   65.302338,   214,  1092
 2020, 08, 17, 05, 33,  107.838539,   66.038162,   8,  71,  319.580048,   15.829476,   214,  1093
 2020, 08, 17, 05, 33,   98.756477,   65.850372,   8,  73,  312.983582,    6.860388,   347,  1551
 2020, 08, 17, 05, 33,   98.740425,   65.847870,   9,  88,  331.882690,   19.257767,   347,  1552
 2020, 08, 17, 05, 33,   98.724373,   65.845390,   9,  82,  326.892303,   14.648688,   347,  1553
 2020, 08, 17, 05, 33,   98.708336,   65.842896,   8,  77,  316.556885,    8.722680,   347,  1554
 2020, 08, 17, 05, 33,   98.692276,   65.840393,   8,  60,  322.286743,   11.349078,   347,  1555
 2020, 08, 17, 05, 33,   98.676247,   65.837906,   9,  85,  328.963348,   16.577673,   347,  1556
 2020, 08, 17, 05, 33,   98.660263,   65.835411,   8,  42,  316.256775,    7.890120,   347,  1557
 2020, 08, 17, 05, 33,   98.654503,   65.841698,   9,  80,  324.418976,   13.297040,   348,  1557
 2020, 08, 17, 05, 33,   98.636917,   65.860504,   9,  87,  330.452576,   18.166430,   351,  1557
 2020, 08, 17, 05, 33,   98.626167,   65.864784,   9,  83,  325.059967,   13.467731,   352,  1557
 2020, 08, 17, 05, 33,   98.610100,   65.862282,   9,  84,  326.600586,   15.019201,   352,  1558
 2020, 08, 17, 05, 33,   98.672974,   65.893608,   9,  87,  331.462585,   18.176933,   355,  1553
 2020, 08, 17, 05, 33,   98.667130,   65.899887,   8,  79,  324.493744,   12.627665,   356,  1553
 2020, 08, 17, 05, 33,   98.591072,   65.902428,   7,  22,  328.394165,   15.171552,   358,  1557
 2020, 08, 17, 05, 33,   98.805061,   65.949936,   9, 100,  362.688171,   60.015804,   360,  1543
 2020, 08, 17, 05, 33,   98.756561,   65.942467,   9,  84,  326.161652,   14.962255,   360,  1546
 2020, 08, 17, 05, 33,   98.544113,   65.952583,   8,  79,  318.818573,   11.303623,   366,  1557
 2020, 08, 17, 05, 33,   98.602684,   65.968895,   8,  58,  304.160156,    4.024699,   367,  1553