year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 16, 05, 03,  117.271523,   47.580135,   7,  15,  307.379669,    5.526288,    19,  1468
 2020, 10, 16, 05, 03,  117.261223,   47.578690,   9, 100,  360.114258,   58.459023,    19,  1469
 2020, 10, 16, 05, 03,  117.290169,   47.589657,   9,  95,  348.431000,   40.031662,    20,  1466
 2020, 10, 16, 05, 03,  117.279839,   47.588215,   9, 100,  373.744690,   86.558220,    20,  1467
 2020, 10, 16, 05, 03,  117.269501,   47.586754,   8,  79,  319.646851,   12.225409,    20,  1468
 2020, 10, 16, 05, 03,  117.298485,   47.597736,   9,  92,  341.662109,   32.697300,    21,  1465
 2020, 10, 16, 05, 03,  117.288147,   47.596275,   9, 100,  381.011505,  104.795036,    21,  1466
 2020, 10, 16, 05, 03,  117.296448,   47.604347,   8,  55,  303.203796,    5.187922,    22,  1465
 2020, 10, 16, 05, 03,  130.722382,   48.935387,   8,  70,  310.350647,   18.793549,    59,   355
 2020, 10, 16, 05, 03,  130.710220,   48.935116,   9,  80,  319.903107,   29.148067,    59,   356
 2020, 10, 16, 05, 03,  130.713455,   48.934021,   8,  65,  329.960785,   43.834831,    66,   355
 2020, 10, 16, 05, 03,  129.783997,   50.021992,   8,  73,  312.538696,   19.032454,   232,   422
 2020, 10, 16, 05, 03,  127.575310,   50.510963,   9,  99,  359.105042,   73.669968,   316,   628
 2020, 10, 16, 05, 03,  127.565872,   50.510548,   8,  75,  314.325287,   14.435409,   316,   629
 2020, 10, 16, 05, 03,  127.577774,   50.513084,   8,  70,  342.860321,   44.585571,   322,   627
 2020, 10, 16, 05, 03,  127.568375,   50.512699,   8,  68,  336.586670,   35.946129,   322,   628
 2020, 10, 16, 05, 03,  127.591881,   50.554638,   9,  94,  345.805145,   48.336395,   326,   625
 2020, 10, 16, 05, 03,  127.582443,   50.554249,   9,  99,  357.904694,   70.828079,   326,   626
 2020, 10, 16, 05, 03,  127.572868,   50.553852,   8,  73,  312.636993,   13.460886,   326,   627
 2020, 10, 16, 05, 03,  129.329865,   50.899082,   8,  55,  312.501831,   18.147068,   365,   452
 2020, 10, 16, 05, 03,  129.333420,   50.892910,   8,  61,  305.184113,   12.806863,   371,   451
 2020, 10, 16, 05, 03,  129.322021,   50.892632,   8,  72,  311.759216,   17.745958,   371,   452
 2020, 10, 16, 05, 03,  125.917435,   51.287922,   8,  61,  321.722076,   32.643234,   446,   720
 2020, 10, 16, 05, 03,  125.925087,   51.287586,   8,  70,  310.355286,   20.005875,   451,   719
 2020, 10, 16, 05, 03,  125.908714,   51.286736,   8,  70,  310.465332,   19.981089,   451,   720
 2020, 10, 16, 05, 03,  125.838547,   51.397888,   8,  52,  302.428131,   12.955999,   468,   723
 2020, 10, 16, 05, 03,  125.869278,   51.409069,   9,  96,  350.917419,   91.968544,   469,   721
 2020, 10, 16, 05, 03,  125.853271,   51.408222,   9,  92,  341.079254,   66.697678,   469,   722
 2020, 10, 16, 05, 03,  126.284286,   51.439957,   9,  97,  353.966248,  108.346420,   470,   696
 2020, 10, 16, 05, 03,  126.267181,   51.439114,   8,  59,  304.580872,   15.639400,   470,   697
 2020, 10, 16, 05, 03,  125.832138,   51.445385,   8,  79,  319.001617,   29.659491,   473,   723
 2020, 10, 16, 05, 03,  125.781143,   51.461689,   8,  69,  309.426453,   18.901375,   475,   726
 2020, 10, 16, 05, 03,  125.779816,   51.471161,   9,  97,  353.682526,   98.913521,   476,   726
 2020, 10, 16, 05, 03,  125.787155,   51.471287,   8,  69,  337.856293,   60.449615,   481,   725
 2020, 10, 16, 05, 03,  125.770927,   51.470451,   8,  66,  332.096985,   49.222427,   481,   726
 2020, 10, 16, 05, 03,  125.539352,   51.524467,   8,  59,  304.628448,   14.130751,   488,   740
 2020, 10, 16, 05, 03,  126.405258,   51.809361,   9,  97,  351.959167,  103.964973,   523,   685
 2020, 10, 16, 05, 03,  126.387871,   51.808502,   9,  83,  325.059784,   40.887875,   523,   686
 2020, 10, 16, 05, 03,  126.415939,   51.816593,   7,  20,  300.094025,   12.443421,   529,   684
 2020, 10, 16, 05, 03,  126.398537,   51.815807,   8,  74,  355.593079,  116.902275,   529,   685
 2020, 10, 16, 05, 03,  126.567406,   51.892689,   9,  98,  356.983093,  124.827271,   536,   675
 2020, 10, 16, 05, 03,  126.549706,   51.891861,   9,  81,  321.976562,   37.500614,   536,   676
 2020, 10, 16, 05, 03,  126.165558,   51.873253,   8,  69,  310.023529,   20.438978,   536,   698
 2020, 10, 16, 05, 03,  125.575989,   51.975803,   9,  93,  342.369080,   68.953560,   555,   732
 2020, 10, 16, 05, 03,  125.559929,   51.974895,   8,  75,  314.683502,   23.788586,   555,   733
 2020, 10, 16, 05, 03,  126.008873,   52.238640,   8,  41,  302.993500,   14.438703,   590,   703
 2020, 10, 16, 05, 03,  126.003235,   52.236904,   8,  51,  302.181030,   13.669308,   595,   703