All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Dec 2015 | 1-7: nominal added | Richard Offen via 00011451 |
| 6 Feb 2014 | 1-8: turning,frame id added; 1-7: wt amended; Clk: frame id added | Philip Denton via 00010631 |
| 1,2,8,Clk: canons added; 3,6,7: canons amended; frame info added | Philip Denton via 00010631 | |
| 21 Jul 2008 | Slight change to PN info | John Adams via e-mail |
| 1 Dec 2003 | Postal area removed (unnecessary) | via JCB |