Time Range      Source Name   Position
-----------------  ------------  --------
16:17:09 18:13:48  AR 540        S14W21
18:36:44 19:33:51  AR 540        S14W21
19:59:58 21:14:51  AR 540        S14W21
21:36:59 24:00:16  AR 540        S14W21