2503,2008-02-02 18:16:51,116.58958,39.90977
2503,2008-02-02 18:17:51,116.58958,39.90977
2503,2008-02-03 17:28:48,116.49954,39.87394
2503,2008-02-03 17:29:48,116.49954,39.87394
