timestamp,lon,lat
2014-01-01 01:00:11,1.01,2.0
2014-01-01 01:00:12,1.02,2.0
2014-01-01 01:00:13,1.01,2.0
2014-01-01 01:00:14,1.02,2.01
2014-01-01 01:00:15,1.01,2.03
2014-01-01 01:00:16,1.05,2.0
