All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Apr 2024 | Project completed | David Potter #006774 |
| 21 Oct 2023 | New project added | David Potter #005789 |
| 25 Nov 2017 | 6: nominal added; 1-6: turning added | John Baldwin via database |
| 27 Jun 2010 | 1-6: frameid added; frame info added | James Clarke via e-mail |