year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 01, 05, 33,  111.019402,   -0.247108,   8,  37,  308.692688,    7.890262,   234,  2430
 2020, 09, 01, 05, 33,  111.054817,   -0.232416,   9,  86,  328.370361,   30.994772,   235,  2426
 2020, 09, 01, 05, 33,  111.027115,   -0.236602,   8,  58,  309.325439,    8.587939,   235,  2429
 2020, 09, 01, 05, 33,  111.017944,   -0.237987,   8,  59,  309.703796,    9.074924,   235,  2430
 2020, 09, 01, 05, 33,  110.820259,    0.399868,   8,  51,  308.747467,    9.655175,   338,  2435
 2020, 09, 01, 05, 33,  110.895546,    0.467758,   8,  72,  311.923248,   13.568848,   344,  2426
 2020, 09, 01, 05, 33,  110.807961,    0.482336,   7,   0,  306.151123,   10.129441,   347,  2435
 2020, 09, 01, 05, 33,  110.576286,    0.488111,   8,  37,  303.314331,    6.739675,   356,  2458
 2020, 09, 01, 05, 33,  110.783394,    0.530139,   7,  28,  300.555695,    4.831918,   357,  2436
 2020, 09, 01, 05, 33,  110.669250,    0.521688,   8,  61,  305.482117,    7.628937,   358,  2448
 2020, 09, 01, 05, 33,  115.397469,    1.442422,   9,  81,  322.193298,   12.343435,   386,  1877
 2020, 09, 01, 05, 33,  109.645309,    0.852034,   8,  35,  300.358582,    7.672493,   428,  2538
 2020, 09, 01, 05, 33,  109.637627,    0.846431,   8,  35,  302.857361,    8.851471,   433,  2538
 2020, 09, 01, 05, 33,  111.525215,    2.128824,   8,  48,  306.104401,    4.640759,   578,  2311