All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Aug 2016 | 1-5: frameid added; frame info added | David Sloman via e-mail |
| 6 May 2012 | 1-5: nominal added | David Kelly via e-mail |
| 4 Mar 2012 | Ringing prohibition (from Mar 2008) now lifted | TimJ (local info); Dave Kelly via e-mail |
| 11 Mar 2008 | Note added that ringing is not permitted | Tim Jackson#130 (info: Anthony Barker) via e-mail |