4249,2008-02-02 21:53:48,116.48756,39.90637
4249,2008-02-03 23:08:12,116.65295,39.91871
4249,2008-02-04 23:17:53,116.65293,39.9187
4249,2008-02-05 23:27:35,116.67412,39.89414
4249,2008-02-06 23:37:15,116.65316,39.91875
4249,2008-02-07 23:46:57,116.65341,39.91868
