Time Range      Source Name   Position
-----------------  ------------  --------
16:20:33 17:29:43  AR8831        S18W23
17:53:32 19:23:02  AR8831        S18W23
19:23:20 19:49:50  AR8831        S18W23
20:16:27 21:59:47  AR8831        S18W23
22:22:27 23:49:47  AR8831        S18W23