All changes to tower
| Date | Change | Source |
|---|---|---|
| 24 Oct 2017 | Tenor wt is precise rather than approx | Gearge Dawson via e-mail |
| 3: wt amended (to exact) | George Dawson via e-mail | |
| 4 Oct 2017 | 3: wt amended (to approx) | Tim Jackson via e-mail |
| 8 Sep 2017 | 1-3:frameid added; frame info added | John Greenhough via e-mail |
| 2 Dec 2003 | Additional tower | John Cater via e-mail |