Time Range      Source Name   Position
-----------------  ------------  --------
16:11:10 17:54:46  AR  39        S15W15
18:15:11 21:03:51  AR  39        S15W15
21:28:11 22:46:59  AR  39        S15W15
23:00:11 23:55:47  AR  39        S15W15