Time Range      Source Name   Position
-----------------  ------------  --------
15:55:18 17:54:48  AR8981        S15W81
18:16:36 19:44:46  AR8981        S22W21
20:10:42 21:54:42  AR8981        S22W21
22:33:49 23:46:29  AR8981        S22W21