All changes to tower
| Date | Change | Source |
|---|---|---|
| 25 Jan 2015 | 1-8: frame id added; frame info added | John Baldwin via database |
| 10 Nov 2014 | 1-8: canon info added | Stephen Jakeman via 00010961 |
| 15 Oct 2011 | 1-8: nominal added | Philip Denton via 00009721 |
| 1 Dec 2003 | Postal area removed (unnecessary) | via JCB |