year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 07, 04, 54,  116.966591,   38.652645,   8,  68,  320.298889,    5.747170,    51,  1984
 2020, 07, 07, 04, 54,  117.408478,   38.916927,   7,  21,  318.374146,    6.106154,    77,  1934
 2020, 07, 07, 04, 54,  117.498543,   38.970360,   8,  65,  319.598328,    7.308115,    83,  1923
 2020, 07, 07, 04, 54,  117.417824,   39.144814,   8,  41,  318.793396,    5.087809,   110,  1925
 2020, 07, 07, 04, 54,  118.465889,   39.437325,   8,  67,  318.463226,    5.286815,   126,  1811
 2020, 07, 07, 04, 54,  117.599449,   39.381500,   8,  60,  320.951752,    9.422375,   140,  1899
 2020, 07, 07, 04, 54,  117.589752,   39.379780,   8,  43,  317.527802,    7.064244,   140,  1900
 2020, 07, 07, 04, 54,  118.897133,   39.658360,   8,  42,  324.349152,    7.202732,   148,  1758
 2020, 07, 07, 04, 54,  117.403343,   39.427120,   8,  54,  318.125610,    7.011006,   152,  1916
 2020, 07, 07, 04, 54,  118.408463,   39.656620,   8,  63,  326.509735,    9.717307,   160,  1808
 2020, 07, 07, 04, 54,  117.051544,   39.421127,   8,  42,  317.327301,    5.006448,   161,  1949
 2020, 07, 07, 04, 54,  112.717102,   38.723198,   8,  45,  316.078461,    7.849270,   187,  2354
 2020, 07, 07, 04, 54,  118.662872,   39.932468,   8,  66,  322.961761,    8.860705,   194,  1772
 2020, 07, 07, 04, 54,  118.618599,   39.952877,   8,  57,  316.339050,    5.654525,   198,  1776
 2020, 07, 07, 04, 54,  118.605621,   39.964630,   8,  45,  321.141449,    7.428596,   200,  1777
 2020, 07, 07, 04, 54,  117.718872,   39.871590,   8,  79,  327.306641,   11.466391,   209,  1869
 2020, 07, 07, 04, 54,  117.640038,   39.864681,   8,  74,  323.124054,    8.618181,   210,  1877
 2020, 07, 07, 04, 54,  123.758270,   41.845783,   8,  71,  320.304596,   10.866849,   370,  1197
 2020, 07, 07, 04, 54,  115.087486,   40.590267,   8,  73,  321.451172,    8.145078,   386,  2079
 2020, 07, 07, 04, 54,  118.583229,   41.979366,   9,  96,  351.148956,   40.631332,   496,  1704
 2020, 07, 07, 04, 54,  113.435921,   41.045128,   8,  72,  320.324982,   15.517123,   501,  2188
 2020, 07, 07, 04, 54,  117.558235,   41.979347,   8,  74,  316.082520,    8.887740,   521,  1807
 2020, 07, 07, 04, 54,  117.548660,   41.977715,   8,  71,  313.670563,    7.402298,   521,  1808