Time Range      Source Name   Position
-----------------  ------------  --------
16:04:10 17:57:51  AR 988        S12W81
18:19:37 19:18:04  AR 988        S12W81
19:56:39 21:12:48  AR 988        S12W81
21:34:41 23:54:48  AR 988        S12W81