2440,2008-02-04 02:32:19,116.54594,40.15984
2440,2008-02-06 02:51:56,116.54589,40.15986
2440,2008-02-07 03:01:42,116.54593,40.15983
2440,2008-02-08 03:11:28,116.60649,40.19352
