Time Range      Source Name   Position
-----------------  ------------  --------
16:06:11 18:52:52  AR1087        N20W84
19:13:54 20:42:06  AR1087        N20W84
21:21:57 22:21:49  AR1087        N20W84
22:45:13 23:56:52  AR1087        N20W84