Time Range      Source Name   Position
-----------------  ------------  --------
16:17:10 19:07:48  AR 838        N17W30
19:30:53 21:01:53  AR 838        N17W30
21:28:51 22:45:48  AR 838        N17W30
23:09:02 23:25:47  AR 838        N17W30