All changes to tower
| Date | Change | Source |
|---|---|---|
| 4 Oct 2018 | 1-3: founder amended | Alan Bagworth via e-mail |
| 14 Oct 2017 | 1-3: frameid added; frame info added | David Sloman via e-mail |
| 13 Dec 2009 | Unringable; also tower unsafe and needing attention | Roy Williams via e-mail |