All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Jul 2017 | 1-5: nominal added | David Kelly via e-mail |
| 18 Nov 2016 | Postcode amended | Julian Back via e-mail |
| 9 Dec 2011 | 1-3 wt (app) added; 1-5: frame id added; frame info added | John Baldwin via database |
| 10 Oct 2009 | 1,2,3: diam, canon info added; 5: canon info added | [George Massey] via e-mail |