Time Range      Source Name   Position
-----------------  ------------  --------
16:08:11 17:06:47  AR1015        N21W83
17:29:13 18:44:49  AR1015        N21W83
19:10:26 20:17:48  AR1015        N21W83
20:40:17 23:46:51  AR1015        N21W83