year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 11, 06, 04, 55,  121.543571,   -1.845577,   8,  69,  313.079071,   12.111012,     9,  2357
 2020, 11, 06, 04, 55,  121.535156,   -1.846830,   8,  61,  305.255981,    6.513844,     9,  2358
 2020, 11, 06, 04, 55,  121.834457,   -1.578383,   8,  70,  310.734924,   10.543312,    42,  2316
 2020, 11, 06, 04, 55,  121.826302,   -1.579595,   8,  71,  314.764679,   13.803631,    42,  2317
 2020, 11, 06, 04, 55,  123.043648,   -1.274256,   8,  58,  314.520569,   15.823553,    60,  2160
 2020, 11, 06, 04, 55,  121.685547,   -1.376840,   8,  65,  308.436707,    7.860548,    75,  2329
 2020, 11, 06, 04, 55,  123.541153,    0.864526,   8,  52,  307.725739,    3.787535,   366,  2058
 2020, 11, 06, 04, 55,  123.541855,    0.866963,   8,  56,  309.653046,    4.034984,   368,  2057