year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 06, 01, 04,    5.867080,    6.014254,   8,  75,  308.713440,    7.125578,   472,  1617
 2020, 08, 06, 01, 04,    6.442040,    5.821894,   8,  44,  301.721924,    4.046169,   487,  1703
 2020, 08, 06, 01, 04,    5.053757,    5.952552,   8,  32,  300.674225,    3.340003,   500,  1506
 2020, 08, 06, 01, 04,    6.362554,    5.685054,   8,  69,  306.811493,    5.906525,   509,  1696
 2020, 08, 06, 01, 04,    6.516442,    5.660517,   9,  83,  311.749603,    8.151738,   509,  1718
 2020, 08, 06, 01, 04,    6.671127,    5.635799,   8,  70,  306.908844,    5.845963,   509,  1740
 2020, 08, 06, 01, 04,    6.308165,    5.565726,   8,  38,  301.149780,    3.561826,   528,  1693
 2020, 08, 06, 01, 04,    6.654492,    5.389214,   8,  63,  305.088715,    4.995202,   546,  1746
 2020, 08, 06, 01, 04,    4.482902,    5.710226,   9,  99,  319.921661,   12.071642,   549,  1435
 2020, 08, 06, 01, 04,    5.882374,    5.436512,   8,  71,  307.250916,    5.794592,   557,  1637
 2020, 08, 06, 01, 04,    4.341119,    5.359205,   8,  44,  306.301788,    4.719343,   604,  1426
 2020, 08, 06, 01, 04,    6.645649,    4.964346,   8,  61,  304.654053,    4.841816,   609,  1758
 2020, 08, 06, 01, 04,    6.652736,    4.963220,   9, 100,  332.617157,   23.004175,   609,  1759
 2020, 08, 06, 01, 04,    7.060055,    4.654382,   8,  53,  303.007751,    3.854914,   645,  1823
 2020, 08, 06, 01, 04,    8.166816,    4.290485,   9,  98,  319.324066,   14.254020,   673,  1974
 2020, 08, 06, 01, 04,    7.151688,    4.423316,   8,  50,  302.503479,    3.710701,   677,  1842
 2020, 08, 06, 01, 04,    7.973500,    4.147630,   9, 100,  326.407318,   19.691143,   698,  1954
 2020, 08, 06, 01, 04,    4.614671,    4.552426,   9,  89,  315.623047,    9.545085,   717,  1488
 2020, 08, 06, 01, 04,    7.289760,    3.989276,   9,  85,  314.370178,    9.427299,   738,  1873