All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Dec 2021 | 1-6: nominal added; 1-5: diameter amended | Nigel Taylor's personal tuning records via David Sloman |
| 16 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 4-6: turning added; 4,6: welded | John Baldwin via database | |
| 21 Nov 2004 | PN info added | Wendy Campbell (GDR website) via e-mail |