year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 02, 19, 00,  113.157234,   61.540825,   9, 100,  326.065552,   19.269608,   143,  1647
 2020, 08, 02, 19, 00,  113.171143,   61.538502,   9,  91,  315.507538,   12.331377,   143,  1648
 2020, 08, 02, 19, 00,  112.808777,   61.346554,   9, 100,  378.228485,   97.665695,   179,  1635
 2020, 08, 02, 19, 00,  112.139549,   60.797428,   7,  24,  300.282990,    5.384313,   273,  1619
 2020, 08, 02, 19, 00,   97.352776,   60.840900,   8,  64,  305.435547,   13.439915,   497,   750
 2020, 08, 02, 19, 00,   97.417114,   60.771935,   8,  74,  308.415741,   15.707246,   504,   754
 2020, 08, 02, 19, 00,   96.512810,   60.430992,   9, 100,  358.474182,  116.652428,   564,   714
 2020, 08, 02, 19, 00,  107.594490,   58.449612,   8,  70,  306.933868,    7.933366,   711,  1415
 2020, 08, 02, 19, 00,  107.607811,   58.447765,   8,  57,  303.814026,    6.626214,   711,  1416
 2020, 08, 02, 19, 00,  107.581367,   58.423210,   9, 100,  336.639954,   29.148052,   715,  1415
 2020, 08, 02, 19, 00,  107.483826,   58.429523,   9, 100,  332.966583,   25.835373,   716,  1408
 2020, 08, 02, 19, 00,  107.436707,   58.421818,   8,  33,  300.750366,    5.933766,   718,  1405
 2020, 08, 02, 19, 00,  107.450356,   58.419968,   8,  65,  305.719269,    7.828074,   718,  1406
 2020, 08, 02, 19, 00,  107.379532,   58.422501,   9,  88,  313.729675,   11.886405,   719,  1401
 2020, 08, 02, 19, 00,  107.393013,   58.420677,   9,  83,  311.803101,   10.889245,   719,  1402
 2020, 08, 02, 19, 00,  107.383850,   58.418137,   9, 100,  335.799042,   29.071400,   720,  1402
 2020, 08, 02, 19, 00,  107.326759,   58.418880,   8,  76,  308.942810,    9.195848,   721,  1398
 2020, 08, 02, 19, 00,  107.104683,   58.138168,   8,  73,  308.082214,    8.752507,   766,  1393