All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Aug 2010 | 6: noted as welded; 1-6 frame id added; frame info added | John Baldwin via database |
| 4 Aug 2010 | 1: replaced; 4,5: diam added; 6: diam amended, nominal added | John Baldwin via 00008740 |
| 2,3,6: canon info added | Richard Offen via 00008741 | |
| 5 Jan 2004 | URL amended | Dickon Love via e-mail |