Time Range      Source Name   Position
-----------------  ------------  --------
17:18:47 18:20:54  AR 837        S11W31
18:25:19 19:07:51  AR 837        S10W31
19:30:53 21:01:52  AR 837        S10W31
21:28:54 22:45:51  AR 837        S10W31
23:09:18 23:25:47  AR 837        S10W31