year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 04, 09, 53,   33.465145,   37.606728,   9,  92,  345.093536,   49.419182,    22,  2827
 2020, 09, 04, 09, 53,   33.455791,   37.604156,   9,  81,  331.011322,   22.269819,    22,  2828
 2020, 09, 04, 09, 53,   43.858604,   40.547771,   9,  80,  328.364197,   10.502240,   115,  1771
 2020, 09, 04, 09, 53,   46.950626,   41.090702,   8,  77,  325.187073,    9.898786,   125,  1430
 2020, 09, 04, 09, 53,   37.017002,   39.920124,   8,  71,  324.916534,   12.420145,   221,  2402
 2020, 09, 04, 09, 53,   37.007511,   39.924927,   8,  67,  325.442444,   14.778700,   226,  2402
 2020, 09, 04, 09, 53,   34.807430,   41.233688,   9,  80,  326.004059,   28.241138,   488,  2514
 2020, 09, 04, 09, 53,   34.795586,   41.230705,   9,  81,  327.093781,   31.091286,   488,  2515
 2020, 09, 04, 09, 53,   44.408806,   43.607597,   8,  79,  326.876251,    9.485156,   551,  1601
 2020, 09, 04, 09, 53,   44.399368,   43.606148,   9,  88,  338.250610,   19.598545,   551,  1602
 2020, 09, 04, 09, 53,   44.406902,   43.614151,   8,  67,  321.694397,    5.782289,   552,  1601
 2020, 09, 04, 09, 53,   42.191330,   43.331985,   8,  73,  318.572144,   11.044485,   564,  1830
 2020, 09, 04, 09, 53,   42.182316,   43.330414,   9, 100,  360.047821,   60.495808,   564,  1831
 2020, 09, 04, 09, 53,   42.173584,   43.328892,   9, 100,  369.079773,   78.504265,   564,  1832
 2020, 09, 04, 09, 53,   42.180546,   43.337162,   7,  26,  310.100098,    5.822935,   565,  1831
 2020, 09, 04, 09, 53,   44.265343,   43.810135,   8,  75,  324.517670,    7.715262,   584,  1608
 2020, 09, 04, 09, 53,   46.727982,   44.189541,   8,  47,  318.376953,    9.367589,   588,  1354
 2020, 09, 04, 09, 53,   40.385544,   43.321796,   8,  71,  314.195068,    7.702821,   611,  1992
 2020, 09, 04, 09, 53,   45.343433,   44.160480,   9,  83,  334.877594,   15.114148,   612,  1488
 2020, 09, 04, 09, 53,   45.333763,   44.159103,   9,  94,  349.760620,   32.845272,   612,  1489
 2020, 09, 04, 09, 53,   45.324078,   44.157711,   8,  61,  327.121613,    7.928211,   612,  1490
 2020, 09, 04, 09, 53,   40.401905,   43.332420,   9, 100,  366.018860,   82.419853,   612,  1990
 2020, 09, 04, 09, 53,   42.753246,   44.038185,   8,  73,  320.672180,    8.378583,   653,  1749