Time Range      Source Name   Position
-----------------  ------------  --------
16:06:10 18:52:51  AR1087        N19W43
19:16:04 20:42:06  AR1087        N19W43
21:22:12 22:21:51  AR1087        N18W43
22:45:28 23:55:26  AR1087        N18W43