year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 20, 04, 45,  119.780167,   30.314299,   8,  60,  305.401550,    5.819254,    42,  2134
 2020, 09, 20, 04, 45,  119.759529,   30.817200,   8,  61,  305.371521,    5.098827,   117,  2121
 2020, 09, 20, 04, 45,  121.296165,   31.190350,   8,  71,  312.798370,    6.267293,   130,  1963
 2020, 09, 20, 04, 45,  117.613846,   33.271778,   8,  77,  317.192963,    9.092134,   537,  2240
 2020, 09, 20, 04, 45,  119.847374,   34.414471,   8,  76,  333.753998,   23.893415,   641,  2001
 2020, 09, 20, 04, 45,  119.837540,   34.412628,   8,  70,  320.579651,   10.853004,   641,  2002