year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 09, 18, 08,  123.482857,   64.797653,   9, 100,  327.324005,   22.175491,   428,  1351
 2020, 07, 09, 18, 08,  123.499672,   64.795494,   9,  92,  315.620087,   13.754141,   428,  1352
 2020, 07, 09, 18, 08,  123.671051,   64.337242,   8,  62,  304.918915,    7.765119,   491,  1381
 2020, 07, 09, 18, 08,  123.687309,   64.335060,   9,  90,  314.909821,   12.508690,   491,  1382
 2020, 07, 09, 18, 08,  123.703590,   64.332886,   8,  75,  321.170441,   15.538701,   491,  1383
 2020, 07, 09, 18, 08,  123.719818,   64.330711,   8,  75,  313.236145,   10.860469,   491,  1384
 2020, 07, 09, 18, 08,  123.736061,   64.328552,   7,  25,  308.270081,    7.806968,   491,  1385
 2020, 07, 09, 18, 08,  123.978531,   64.295792,   8,  71,  307.258179,    7.948052,   491,  1400
 2020, 07, 09, 18, 08,  123.731392,   64.321983,   9, 100,  351.747986,   48.286594,   492,  1385
 2020, 07, 09, 18, 08,  123.747566,   64.319801,   9, 100,  354.216553,   51.457073,   492,  1386
 2020, 07, 09, 18, 08,  123.763809,   64.317635,   7,  19,  313.522186,   10.015804,   492,  1387
 2020, 07, 09, 18, 08,  123.779953,   64.315453,   7,   5,  307.916412,    7.512985,   492,  1388
 2020, 07, 09, 18, 08,  123.941528,   64.293633,   8,  40,  304.360413,    6.579974,   492,  1398