year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 04, 02, 35,  129.382202,   64.036278,   7,  21,  300.098236,    5.487408,   174,  2311
 2020, 07, 04, 02, 35,  129.406189,   64.057655,   8,  62,  316.361237,   14.192906,   179,  2308
 2020, 07, 04, 02, 35,  128.691589,   64.209579,   8,  70,  318.563080,   16.954813,   221,  2329
 2020, 07, 04, 02, 35,  128.710236,   64.225449,   8,  50,  325.665802,   22.788742,   222,  2327
 2020, 07, 04, 02, 35,  128.701767,   64.225220,   7,  29,  324.573303,   18.831339,   226,  2327
 2020, 07, 04, 02, 35,  128.255920,   64.113823,   8,  50,  301.891144,    5.880941,   228,  2354
 2020, 07, 04, 02, 35,  128.530487,   64.206200,   8,  56,  307.520416,    9.055885,   229,  2336
 2020, 07, 04, 02, 35,  128.514404,   64.201447,   8,  75,  314.655609,   14.595004,   229,  2337
 2020, 07, 04, 02, 35,  128.504150,   64.208961,   9,  86,  329.717865,   29.339783,   230,  2337
 2020, 07, 04, 02, 35,  128.551636,   64.254517,   8,  51,  306.011139,    8.098117,   233,  2332
 2020, 07, 04, 02, 35,  128.306747,   64.363914,   8,  37,  301.800354,    7.082970,   254,  2335
 2020, 07, 04, 02, 35,  128.301056,   64.363937,   8,  56,  304.159851,    7.721028,   258,  2335
 2020, 07, 04, 02, 35,  128.290100,   64.371254,   8,  57,  303.636719,    7.682850,   259,  2335
 2020, 07, 04, 02, 35,  138.069031,   66.967918,   8,  62,  313.800751,    8.036839,   294,  1750
 2020, 07, 04, 02, 35,  137.772736,   67.509216,   9,  95,  348.851685,   39.896847,   375,  1730
 2020, 07, 04, 02, 35,  137.781555,   67.518333,   9,  87,  330.766907,   19.905588,   376,  1729
 2020, 07, 04, 02, 35,  137.764999,   67.515297,   9,  83,  323.744293,   14.077986,   376,  1730
 2020, 07, 04, 02, 35,  137.666794,   67.527328,   8,  74,  318.340332,    9.878971,   380,  1734
 2020, 07, 04, 02, 35,  137.945724,   67.585686,   8,  70,  329.626343,   17.602007,   381,  1717
 2020, 07, 04, 02, 35,  137.912079,   67.579590,   9,  98,  355.032959,   47.116665,   381,  1719
 2020, 07, 04, 02, 35,  137.921646,   67.588791,   8,  75,  324.049194,   13.660168,   382,  1718
 2020, 07, 04, 02, 35,  137.904739,   67.585739,   9, 100,  410.094757,  205.718384,   382,  1719
 2020, 07, 04, 02, 35,  137.618195,   67.533409,   9, 100,  396.289948,  152.024323,   382,  1736
 2020, 07, 04, 02, 35,  137.897598,   67.591904,   8,  53,  321.351105,   11.732060,   383,  1719
 2020, 07, 04, 02, 35,  137.657303,   67.560455,   8,  59,  319.882355,   10.807724,   385,  1732
 2020, 07, 04, 02, 35,  137.649643,   67.566551,   9,  85,  347.859131,   36.998676,   386,  1732
 2020, 07, 04, 02, 35,  137.633163,   67.563538,   9, 100,  379.770782,   99.334709,   386,  1733
 2020, 07, 04, 02, 35,  137.625656,   67.569679,   9, 100,  360.009735,   57.346821,   387,  1733
 2020, 07, 04, 02, 35,  137.609100,   67.566628,   9,  82,  346.516510,   36.183601,   387,  1734
 2020, 07, 04, 02, 35,  137.634125,   67.578743,   8,  33,  310.906891,    6.910015,   388,  1732
 2020, 07, 04, 02, 35,  137.617874,   67.575752,   8,  36,  310.729828,    7.111737,   388,  1733
 2020, 07, 04, 02, 35,  123.304352,   64.462341,   8,  69,  309.711029,   15.216452,   460,  2509
 2020, 07, 04, 02, 35,  123.506981,   64.556915,   8,  47,  305.559143,   10.361644,   462,  2497
 2020, 07, 04, 02, 35,  123.322273,   64.466957,   8,  61,  320.718109,   27.970743,   465,  2508
 2020, 07, 04, 02, 35,  123.504242,   64.555534,   8,  68,  308.732880,   13.399237,   467,  2497
 2020, 07, 04, 02, 35,  123.063698,   64.651344,   8,  34,  302.009094,    8.180068,   492,  2505
 2020, 07, 04, 02, 35,  137.614273,   68.369934,   8,  68,  310.557892,    6.621845,   496,  1682
 2020, 07, 04, 02, 35,  137.606400,   68.376022,   9,  97,  352.791748,   45.032204,   497,  1682
 2020, 07, 04, 02, 35,  137.598526,   68.382095,   9,  85,  327.831177,   16.822721,   498,  1682
 2020, 07, 04, 02, 35,  137.581223,   68.379021,   9,  95,  347.646057,   37.798088,   498,  1683
 2020, 07, 04, 02, 35,  137.563904,   68.375954,   8,  60,  312.984161,    7.589745,   498,  1684
 2020, 07, 04, 02, 35,  137.548080,   68.388092,   7,  13,  311.583710,    6.413710,   500,  1684
 2020, 07, 04, 02, 35,  137.522919,   68.391098,   8,  39,  311.618408,    6.539950,   501,  1685
 2020, 07, 04, 02, 35,  137.489792,   68.400162,   7,  21,  310.741577,    5.753108,   503,  1686
 2020, 07, 04, 02, 35,  137.414200,   68.409157,   8,  32,  319.255829,    9.376805,   506,  1689
 2020, 07, 04, 02, 35,  122.885414,   65.671013,   8,  78,  321.470978,   24.567886,   619,  2445
 2020, 07, 04, 02, 35,  122.842346,   65.692726,   8,  75,  398.437469,  294.697754,   622,  2445
 2020, 07, 04, 02, 35,  122.848503,   65.699791,   9, 100,  366.236053,  125.653763,   627,  2444
 2020, 07, 04, 02, 35,  122.830528,   65.693680,   9,  94,  391.590485,  249.031891,   627,  2445
 2020, 07, 04, 02, 35,  122.977722,   65.755623,   8,  64,  306.710114,    8.396297,   628,  2436
 2020, 07, 04, 02, 35,  122.834175,   65.707031,   8,  66,  332.602936,   36.403118,   628,  2444
 2020, 07, 04, 02, 35,  122.819847,   65.714287,   9,  85,  352.138428,   77.023277,   629,  2444
 2020, 07, 04, 02, 35,  122.801941,   65.708206,   9,  81,  354.827057,   83.968636,   629,  2445
 2020, 07, 04, 02, 35,  122.805534,   65.721535,   9,  95,  349.809418,   72.610107,   630,  2444
 2020, 07, 04, 02, 35,  122.992668,   65.808617,   8,  41,  307.264648,   10.046746,   632,  2432
 2020, 07, 04, 02, 35,  122.889107,   65.845810,   7,  21,  304.262421,    6.955611,   638,  2433
 2020, 07, 04, 02, 35,  122.726288,   65.791451,   8,  49,  307.281891,   10.525552,   638,  2442
 2020, 07, 04, 02, 35,  122.703873,   65.812561,   8,  77,  320.543915,   21.724125,   645,  2441
 2020, 07, 04, 02, 35,  122.689445,   65.819778,   9,  80,  320.072510,   21.697659,   646,  2441
 2020, 07, 04, 02, 35,  145.786545,   71.310318,   9,  98,  356.872345,   70.582085,   749,  1178
 2020, 07, 04, 02, 35,  145.761261,   71.307671,   8,  57,  303.628326,    7.047956,   749,  1179
 2020, 07, 04, 02, 35,  145.855576,   71.325233,   8,  59,  304.934998,    7.619898,   750,  1175
 2020, 07, 04, 02, 35,  145.847382,   71.327034,   8,  43,  300.902710,    5.587339,   752,  1175
 2020, 07, 04, 02, 35,  145.849258,   71.381416,   8,  73,  313.103912,   13.092082,   759,  1173
 2020, 07, 04, 02, 35,  145.842239,   71.388451,   8,  56,  303.602509,    6.983902,   760,  1173
 2020, 07, 04, 02, 35,  145.846771,   71.412163,   8,  79,  318.938141,   16.999933,   763,  1172
 2020, 07, 04, 02, 35,  145.415497,   71.367149,   8,  31,  324.360229,   18.632032,   763,  1189
 2020, 07, 04, 02, 35,  145.839722,   71.419197,   8,  77,  316.967834,   15.303249,   764,  1172
 2020, 07, 04, 02, 35,  145.433380,   71.376762,   9, 100,  381.686005,  133.035172,   764,  1188
 2020, 07, 04, 02, 35,  144.841080,   71.336029,   7,  19,  300.104980,    5.188106,   767,  1211