year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 21, 05, 22,  115.585312,    2.795177,   8,  75,  314.633575,   13.053261,    14,  2183
 2020, 07, 21, 05, 22,  115.575081,    2.793603,   7,  21,  301.392059,    2.519742,    14,  2184
 2020, 07, 21, 05, 22,  115.587547,    2.798152,   8,  55,  306.382751,    6.585100,    17,  2182
 2020, 07, 21, 05, 22,  115.577248,    2.796495,   8,  69,  309.826538,    8.953000,    17,  2183
 2020, 07, 21, 05, 22,  116.501389,    3.198918,   8,  75,  315.409180,    9.854691,    54,  2080
 2020, 07, 21, 05, 22,  116.507973,    3.215253,   9,  80,  320.332397,   14.406943,    56,  2079
 2020, 07, 21, 05, 22,  115.369514,    3.169036,   8,  59,  308.215149,    4.309345,    75,  2197
 2020, 07, 21, 05, 22,  116.509064,    3.531229,   8,  58,  305.685638,    3.866723,   103,  2071
 2020, 07, 21, 05, 22,  115.842331,    3.710890,   8,  66,  310.943665,   10.016389,   146,  2137
 2020, 07, 21, 05, 22,  116.941238,    5.458797,   8,  71,  313.821045,    7.528243,   378,  1971
 2020, 07, 21, 05, 22,  116.647881,    5.874885,   8,  79,  320.990417,   13.914272,   446,  1995
 2020, 07, 21, 05, 22,  116.722008,    6.095632,   8,  69,  312.238464,    7.044527,   477,  1980
 2020, 07, 21, 05, 22,  116.803856,    6.150996,   8,  73,  315.356415,    8.238020,   484,  1968
 2020, 07, 21, 05, 22,  116.800552,    6.172287,   9,  89,  335.049561,   26.598780,   487,  1968
 2020, 07, 21, 05, 22,  116.755005,    6.359648,   9,  94,  346.686829,   42.450974,   516,  1968
 2020, 07, 21, 05, 22,  116.739243,    6.357146,   8,  52,  308.651489,    4.900741,   516,  1970