9 December 2009
- 00:0900:09, 9 December 2009 diff hist +2 m Signal Beam (move) No edit summary
- 00:0100:01, 9 December 2009 diff hist −1 m Signal Beam (move) No edit summary
- 00:0100:01, 9 December 2009 diff hist 0 m Signal Beam (move) No edit summary
- 00:0000:00, 9 December 2009 diff hist −1 m Signal Beam (move) No edit summary