Time Range      Source Name   Position
-----------------  ------------  --------
16:06:11 18:52:52  AR1087        N19W29
19:16:00 20:42:03  AR1087        N19W29
21:22:15 22:21:54  AR1087        N19W29
22:45:30 23:55:35  AR1087        N19W29