All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Aug 2023 | Fr1: Material, Truss, and layout added | Neal Dodge |
| 14 Dec 2018 | PN info added | P Key (District Sec) via e-mail |
| 8 Oct 2016 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 17 Apr 2007 | Tenor note not F#; nominal added (G-24c) | Andrew Higson via pNBR |