All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Nov 2018 | 1-5: nominal added | Chris Pickford via 00013147 |
| 24 Jul 2018 | 1-5: canon info,turning,frameid added; frame info added | Chris Pickford via 00012985 |
| 14 Mar 2005 | No longer GF | Tim Jackson#77 (info ex Graham Nabb) via e-mail |