All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Jan 2024 | 1-6: nominal amended; 1: diameter amended. | Nigel Taylor tuning records via #00016945 |
| 12 Dec 2016 | 1-6: turning,frameid added; frame info added | David Sloman via 00011902 |
| 1 Aug 2010 | 1-6: nominal added | Nick Bowden via 00008734 |