All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Dec 2021 | 3: nominal amended | Nigel Taylor's personal tuning records via David Sloman |
| 18 Apr 2020 | fr1: truss amended | Tim Jackson via e-mail |
| 30 Oct 2017 | 1-6: nom'l,diam,turning,frameid added | Matthew Higby via 00012538 |
| 15 Jul 2012 | (W+P) URL added | Rosemary Oakeshott via e-mail |
| 16 Dec 2007 | PN info added | Derek Shutler via e-mail |
| 11 Oct 2006 | New ring of 6 | Matthew Higby via e-mail |