year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 02, 13, 23,    9.844419,    1.801021,   8,  63,  310.142944,    9.867906,     9,   397
 2020, 08, 02, 13, 23,    9.836964,    1.799891,   8,  70,  312.137360,   11.497403,     9,   398
 2020, 08, 02, 13, 23,    9.842685,    1.812265,   8,  41,  308.952423,    8.105191,    10,   397
 2020, 08, 02, 13, 23,   10.365245,    1.938320,   8,  54,  302.898438,    6.644324,    21,   328
 2020, 08, 02, 13, 23,   11.452583,    2.307494,   8,  49,  307.080414,   13.396417,    45,   203
 2020, 08, 02, 13, 23,   11.455182,    2.311276,   8,  63,  306.018158,   12.544973,    53,   202
 2020, 08, 02, 13, 23,   10.534380,    2.437909,   8,  59,  304.496094,    8.964841,    89,   296
 2020, 08, 02, 13, 23,    6.652628,    5.383780,   8,  59,  304.313873,    6.789238,   616,   707
 2020, 08, 02, 13, 23,    5.887252,    5.436756,   8,  47,  305.776398,    6.319398,   638,   783
 2020, 08, 02, 13, 23,    5.888975,    5.433504,   8,  54,  303.000153,    4.258910,   642,   782
 2020, 08, 02, 13, 23,   -2.889394,    4.598884,   8,  73,  330.873322,   21.754419,   710,  1907
 2020, 08, 02, 13, 23,   -3.141190,    4.588374,   8,  74,  321.698853,   14.252483,   714,  1939