year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 01, 14, 05, 05,  120.767265,   13.317073,   8,  42,  304.744110,    2.915702,    24,  1853
 2021, 01, 14, 05, 05,  120.717995,   13.330245,   8,  79,  319.730286,   10.408094,    27,  1859
 2021, 01, 14, 05, 05,  120.951256,   14.768764,   9,  90,  348.518768,   37.114120,   234,  1784
 2021, 01, 14, 05, 05,  120.943878,   14.767598,   8,  65,  330.313965,   16.842930,   234,  1785
 2021, 01, 14, 05, 05,  120.124420,   15.186086,   8,  64,  314.159973,    7.139420,   315,  1877
 2021, 01, 14, 05, 05,  120.249115,   15.237036,   8,  38,  309.008026,    3.619581,   320,  1859
 2021, 01, 14, 05, 05,  120.282967,   15.270568,   7,  28,  305.187378,    3.074917,   324,  1854
 2021, 01, 14, 05, 05,  120.514809,   15.409530,   8,  72,  314.819641,    5.807498,   339,  1820
 2021, 01, 14, 05, 05,  120.256927,   15.424032,   8,  55,  307.333374,    4.666556,   347,  1853
 2021, 01, 14, 05, 05,  119.971291,   15.566749,   8,  78,  322.331085,   11.667797,   375,  1884
 2021, 01, 14, 05, 05,  120.711464,   16.003202,   8,  43,  311.863647,    3.434967,   422,  1776
 2021, 01, 14, 05, 05,  119.966713,   15.919045,   8,  64,  311.780579,    5.709177,   427,  1874
 2021, 01, 14, 05, 05,  120.733360,   16.195829,   8,  49,  305.306824,    2.885149,   450,  1767
 2021, 01, 14, 05, 05,  120.656273,   17.085136,   8,  62,  306.046265,    5.071224,   583,  1749
 2021, 01, 14, 05, 05,  120.630264,   17.623163,   8,  75,  319.655243,    6.657263,   663,  1735
 2021, 01, 14, 05, 05,  120.880005,   17.743101,   8,  61,  311.378296,    5.022069,   675,  1698
 2021, 01, 14, 05, 05,  120.799995,   17.730618,   8,  66,  310.832397,    5.340017,   675,  1709
 2021, 01, 14, 05, 05,  120.863297,   17.754124,   8,  73,  315.835480,    7.225751,   677,  1700
 2021, 01, 14, 05, 05,  120.797821,   17.743914,   8,  65,  310.007477,    5.344154,   677,  1709
 2021, 01, 14, 05, 05,  120.843422,   17.825548,   8,  71,  313.643433,    7.103574,   688,  1700
 2021, 01, 14, 05, 05,  120.865891,   17.869902,   8,  61,  308.104126,    4.468627,   694,  1696
 2021, 01, 14, 05, 05,  120.897011,   18.125366,   8,  38,  308.712219,    4.491177,   731,  1684