All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Aug 2020 | fr1: material amended,truss,layout added | Tim Jackson via e-mail |
| 14 Jul 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |
| 5 Mar 2007 | Tenor nominal added (A+16c) | Andrew Higson via pNBR |