Time Range      Source Name   Position
-----------------  ------------  --------
16:06:11 18:52:52  AR1087        N18W84
19:13:55 20:41:59  AR1087        N18W84
21:22:03 22:21:48  AR1087        N18W84
22:45:19 23:55:24  AR1087        N18W84