year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 08, 01, 41,  121.657227,   66.215408,   8,  55,  304.478333,   11.110229,   343,  2920
 2020, 08, 08, 01, 41,  121.644012,   66.208076,   8,  53,  302.785645,   10.058069,   343,  2921
 2020, 08, 08, 01, 41,  121.547134,   66.237061,   8,  46,  312.203674,   16.258810,   347,  2921
 2020, 08, 08, 01, 41,  121.533897,   66.229729,   8,  47,  316.543732,   21.264462,   347,  2922
 2020, 08, 08, 01, 41,  121.494392,   66.207886,   7,  29,  313.901398,   18.877544,   347,  2925
 2020, 08, 08, 01, 41,  121.470284,   66.215218,   8,  47,  313.854736,   18.610302,   348,  2925
 2020, 08, 08, 01, 41,  121.456871,   66.207809,   8,  52,  315.994873,   21.774939,   348,  2926
 2020, 08, 08, 01, 41,  121.445831,   66.222389,   8,  52,  337.762177,   55.591858,   349,  2925
 2020, 08, 08, 01, 41,  121.432434,   66.214973,   8,  54,  341.636993,   65.467209,   349,  2926
 2020, 08, 08, 01, 41,  121.526031,   66.240166,   8,  67,  323.426941,   30.328541,   355,  2921
 2020, 08, 08, 01, 41,  121.473946,   66.210953,   8,  79,  319.572418,   28.101833,   355,  2925
 2020, 08, 08, 01, 41,  121.449585,   66.218155,   9, 100,  361.041473,  133.476303,   356,  2925
 2020, 08, 08, 01, 41,  121.436295,   66.210693,   9,  89,  334.153687,   52.989384,   356,  2926
 2020, 08, 08, 01, 41,  121.479530,   66.276550,   8,  59,  316.397827,   22.907518,   358,  2919