All changes to tower
| Date | Change | Source |
|---|---|---|
| 24 Aug 2019 | 1-8: nominal,diam added | Tim Jackson via 00013596 |
| 22 Jun 2019 | 1-8: turning added; fr1: maker added | Tim Jackson via 00013477 |
| 17 Oct 2016 | 1-8: frameid added; frame info added | John Baldwin via database |
| 27 Feb 2008 | PN info changed to Mon from Wed(1,4) | Geoff Pullin, Branch Chairman via e-mail |