All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 22 Apr 2010 | Work completed | JCB (Sharpe Trust Grant payment request certificate) via JCB |
| 18 Mar 2009 | Ringing temporarily suspended | Tim Jackson (info: James Clarke) via e-mail |