Time Range      Source Name   Position
-----------------  ------------  --------
16:14:10 19:29:47  AR1052        S17W87
19:51:08 20:51:04  AR1052        S17W87
21:29:09 23:11:37  AR1052        S17W87
23:12:15 23:59:38  AR1052        S17W87