All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Jun 2020 | 1-6: turning added; fr1: truss,layout added | Chris Pickford via 00013824 |
| 3 Aug 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 2 Apr 2007 | Tenor nominal added (F#+32c) | Andrew Higson via pNBR |
| 19 Apr 2004 | PN not Wed | Neil Hickman via e-mail |