year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 11, 11, 05, 09,  111.256760,   23.181784,   8,  50,  307.849792,    7.027609,    61,  2570
 2020, 11, 11, 05, 09,  111.254456,   23.185764,   8,  61,  305.478638,    5.724288,    67,  2569
 2020, 11, 11, 05, 09,  110.082054,   23.802235,   8,  45,  304.575043,    7.581474,   189,  2706
 2020, 11, 11, 05, 09,  110.083344,   23.800709,   8,  59,  304.392700,    7.674602,   195,  2705
 2020, 11, 11, 05, 09,  113.162933,   25.015350,   9,  80,  319.964569,   18.428253,   276,  2341
 2020, 11, 11, 05, 09,  118.136520,   27.528734,   8,  70,  310.139587,    6.038772,   513,  1727
 2020, 11, 11, 05, 09,  111.498436,   26.327890,   8,  71,  311.193695,   14.092128,   518,  2460
 2020, 11, 11, 05, 09,  111.651497,   27.007523,   8,  76,  315.695496,   17.145256,   613,  2426
 2020, 11, 11, 05, 09,  111.641800,   27.005470,   9,  92,  339.730774,   52.141979,   613,  2427