Time Range      Source Name   Position
-----------------  ------------  --------
16:17:10 17:16:34  AR 848        S21W81
17:47:46 19:03:47  AR 848        S21W81
19:30:46 22:19:47  AR 848        S21W81
22:41:40 23:54:51  AR 848        S21W81