/// file a.csv ///
time,type,
2018-11-08T10:37:38,T28G,
2018-11-08T10:37:48,T28G,
2018-11-08T10:38:02,T27D,
2018-11-08T10:38:07,T27D,
2018-11-08T10:38:11,T28G,

/// file b.csv ///
lat,lon,elev,time
40.000074,2.000061,864,2018-11-08T10:37:44
40.000066,2.000044,864,2018-11-08T10:37:45
40.000059,2.000031,864,2018-11-08T10:37:53
40.000055,2.000004,863,2018-11-08T10:37:58


/// file result.csv ///
00168,2018-11-08T10:37:23,40.000028,2.0.000004,862,T28G,
00169,2018-11-08T10:37:38,40.00008,2.0.0000,864,T28G,
***001691,2018-11-08T10:37:48,40.000066,2.0.00004,864,T28G,***
00170,2018-11-08T10:38:02,40.000075,2.0.000079,862,T27D,
00171,2018-11-08T10:38:07,40.000022,2.0.000072,865,T27D,