4521,2008-02-05 15:30:44,116.39135,39.93942
4521,2008-02-06 15:40:30,117.18111,40.62562
4521,2008-02-07 15:50:18,117.17313,40.58294
4521,2008-02-08 16:00:04,117.14581,40.59929
