year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 20, 13, 43,    6.673095,    5.634916,   8,  52,  302.360840,    9.628946,    70,   136
 2020, 10, 20, 13, 43,    5.871110,    6.015106,   8,  51,  308.954865,   15.344061,   139,   203
 2020, 10, 20, 13, 43,    5.872579,    6.018685,   8,  54,  303.789124,    9.470096,   147,   202
 2020, 10, 20, 13, 43,   -4.364430,    5.224500,   8,  62,  308.260590,    3.102036,   242,  1436
 2020, 10, 20, 13, 43,   -4.860024,    6.279466,   8,  51,  307.805115,    3.995436,   409,  1472