All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Jan 2022 | 1-2: weight amended. | Nigel Taylor's personal tuning records via D Sloman |
| 15 Nov 2020 | 1,2: nominal added | Nigel Taylor via 00014118 |
| 6 Feb 2019 | all: turning,frameid added; frame info added | Tim Jackson via 00013275 |
| 20 Jan 2019 | Sct: added | Tim Jackson via e-mail |
| 27 Oct 2007 | Augmented to 8, September 2007 | Alan Martin via e-mail |