year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 29, 05, 09,  122.586906,    0.672212,   8,  74,  316.482971,    7.079171,    24,  1788
 2020, 09, 29, 05, 09,  117.464050,    0.672811,   8,  65,  313.459351,    9.976291,   139,  2397
 2020, 09, 29, 05, 09,  117.702667,    0.870232,   9,  84,  325.527893,   23.145683,   165,  2365
 2020, 09, 29, 05, 09,  117.693848,    0.868848,   8,  74,  314.149231,   11.514573,   165,  2366
 2020, 09, 29, 05, 09,  116.873268,    0.740278,   8,  53,  302.614380,    6.734892,   165,  2457
 2020, 09, 29, 05, 09,  116.943153,    0.798575,   8,  62,  305.880737,    7.951681,   170,  2449
 2020, 09, 29, 05, 09,  116.940323,    0.817066,   8,  36,  301.865234,    4.368389,   172,  2449
 2020, 09, 29, 05, 09,  117.032356,    0.998728,   8,  52,  302.344696,    4.915512,   199,  2435
 2020, 09, 29, 05, 09,  111.953323,    0.374186,   8,  67,  308.468781,   15.159636,   220,  3045
 2020, 09, 29, 05, 09,  111.942642,    0.372541,   8,  45,  304.305817,   10.116127,   220,  3046
 2020, 09, 29, 05, 09,  111.888275,    0.364180,   8,  60,  306.455017,   15.441260,   220,  3051
 2020, 09, 29, 05, 09,  111.947899,    0.372677,   8,  71,  311.362152,   19.325186,   228,  3045
 2020, 09, 29, 05, 09,  111.882935,    0.362219,   8,  67,  308.485046,   17.756821,   228,  3051
 2020, 09, 29, 05, 09,  111.934998,    0.383887,   8,  56,  304.947479,   10.209818,   229,  3046
 2020, 09, 29, 05, 09,  111.262634,    0.373034,   8,  42,  301.567688,   14.381225,   236,  3104
 2020, 09, 29, 05, 09,  110.908707,    0.410360,   8,  67,  316.674164,   40.614330,   251,  3131
 2020, 09, 29, 05, 09,  110.913506,    0.403562,   8,  63,  308.179504,   23.975441,   259,  3130
 2020, 09, 29, 05, 09,  110.900925,    0.401514,   8,  48,  304.524719,   19.608036,   259,  3131
 2020, 09, 29, 05, 09,  110.869316,    0.523590,   8,  61,  310.566742,   29.477512,   268,  3132
 2020, 09, 29, 05, 09,  111.014275,    0.526333,   8,  60,  304.995850,   18.974972,   275,  3120
 2020, 09, 29, 05, 09,  110.874908,    0.517708,   7,   0,  308.755707,   25.866854,   276,  3131
 2020, 09, 29, 05, 09,  111.256508,    0.648608,   7,   0,  300.345245,   13.111242,   281,  3099
 2020, 09, 29, 05, 09,  111.244553,    0.646721,   8,  37,  301.784332,   14.574961,   281,  3100
 2020, 09, 29, 05, 09,  110.925018,    0.883705,   8,  64,  306.555847,   18.396517,   327,  3121
 2020, 09, 29, 05, 09,  110.912712,    0.881722,   9,  80,  320.013580,   44.340420,   327,  3122