All changes to tower
| Date | Change | Source |
|---|---|---|
| 17 Jan 2015 | Sct: date amended to approx, frame id added; Svc: added; | Philip Denton via e-mail |
| 1-8: frame id added; frame info added (2 + 1 disused) | Philip Denton via e-mail | |
| 21 Aug 2013 | 1-8: nominal added | Graham Clifton via 00010493 |
| 2 Nov 2012 | 1,2,3,7: founder amended | Peter Dyson via e-mail |