year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 02, 17, 01,  122.613701,   57.298519,   8,  63,  305.056519,   11.820431,    59,   484
 2020, 07, 02, 17, 01,  122.609833,   57.293129,   8,  63,  305.131104,   11.985799,    66,   484
 2020, 07, 02, 17, 01,  122.622536,   57.292843,   8,  67,  306.067139,   12.396461,    66,   485
 2020, 07, 02, 17, 01,  122.604408,   55.365208,   9, 100,  330.024658,   33.080151,   359,   506
 2020, 07, 02, 17, 01,  122.615982,   55.364906,   9, 100,  331.011261,   33.908684,   359,   507
 2020, 07, 02, 17, 01,  122.617096,   55.321758,   8,  34,  302.426758,    7.607633,   363,   507
 2020, 07, 02, 17, 01,  122.618355,   55.310955,   8,  63,  305.219421,    9.227461,   364,   507
 2020, 07, 02, 17, 01,  122.611496,   55.314415,   8,  46,  302.022736,    8.267135,   370,   507
 2020, 07, 02, 17, 01,  122.624420,   55.314034,   9,  92,  315.895203,   17.942444,   370,   508