Time Range      Source Name   Position
-----------------  ------------  --------
16:06:09 17:54:49  AR9987        S15W41
18:16:24 19:27:44  AR9987        S15W41
19:53:24 23:44:52  AR9987        S15W41
23:45:31 23:47:47  AR9987        S15W41