All changes to tower
| Date | Change | Source |
|---|---|---|
| 14 Oct 2017 | 1-6: nominal added; frame: date amended | Tim Jackson via 00012494 |
| 11 Oct 2017 | Tenor wt now = G&J records (& twr notice) rather than #Oxon | Chris Pickford via pNBR |
| 1-5: diam added; 6: diam,wt amended; frame: truss,layout added | Chris Pickford via 00012490 | |
| 10 Oct 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |