year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 02, 18, 59,  122.919456,   66.033310,   9,  92,  315.670197,   14.132506,    34,  1922
 2020, 08, 02, 18, 59,  122.911346,   66.027039,   8,  72,  307.542175,    9.890699,    35,  1922
 2020, 08, 02, 18, 59,  129.568878,   63.981701,   9,  94,  323.574615,   23.523302,    83,  2331
 2020, 08, 02, 18, 59,  129.541382,   63.979290,   9, 100,  327.318054,   28.640654,    84,  2330
 2020, 08, 02, 18, 59,  129.557419,   63.974598,   9, 100,  329.309418,   30.664339,    84,  2331
 2020, 08, 02, 18, 59,  129.530533,   63.972023,   9, 100,  365.197327,  102.793640,    85,  2330
 2020, 08, 02, 18, 59,  129.546143,   63.967445,   9, 100,  335.932434,   40.241104,    85,  2331
 2020, 08, 02, 18, 59,  129.407776,   63.934956,   8,  74,  309.079742,   11.964008,    92,  2327
 2020, 08, 02, 18, 59,  129.396957,   63.927704,   9, 100,  326.812225,   27.215710,    93,  2327
 2020, 08, 02, 18, 59,  129.171875,   63.983437,   8,  31,  301.280579,    7.302196,    94,  2313
 2020, 08, 02, 18, 59,  129.390305,   63.927319,   8,  78,  309.855469,   12.034916,    97,  2327
 2020, 08, 02, 18, 59,  129.406357,   63.922653,   8,  71,  308.698395,   11.846201,    97,  2328
 2020, 08, 02, 18, 59,  121.444435,   65.547607,   9, 100,  371.048676,   90.595482,   140,  1883
 2020, 08, 02, 18, 59,  121.460938,   65.544205,   7,  20,  308.862183,    8.932659,   140,  1884
 2020, 08, 02, 18, 59,  121.420464,   65.544785,   8,  50,  308.068359,    9.029027,   141,  1882
 2020, 08, 02, 18, 59,  121.436859,   65.541367,   8,  77,  313.856934,   12.200479,   141,  1883
 2020, 08, 02, 18, 59,  123.126389,   64.913712,   8,  74,  308.219421,   10.798828,   177,  1999
 2020, 08, 02, 18, 59,  111.700890,   64.512535,   7,  29,  303.486053,    6.505495,   518,  1415
 2020, 08, 02, 18, 59,  111.615555,   64.517151,   7,  18,  300.237946,    5.640234,   519,  1410
 2020, 08, 02, 18, 59,  111.631737,   64.514915,   8,  31,  301.554657,    6.005072,   519,  1411