All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 Nov 2023 | Fr1: layout added | Lewis Benfield, personal visit. via Frame Backlog |
| 23 Feb 2016 | 1,2,3: frameid added; frame info added | David Sloman via e-mail |
| 22 Feb 2016 | 1,2,3: turning added | John Greenhough via e-mail |