Time Range      Source Name   Position
-----------------  ------------  --------
16:08:09 18:39:05  AR9901        N21W25
18:41:06 19:51:54  AR9901        N21W25
20:17:36 21:32:48  AR9901        N21W25
21:54:34 23:49:46  AR9901        N21W25