All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Jun 2026 | 1911 Augmentation added | |
| 10 Mar 2022 | 6: turning added. | Neal Dodge |
| 19 Aug 2021 | URL amended | Neal Dodge |
| 25 Jul 2021 | Ellacombe added | Neal Dodge |
| 21 Nov 2016 | 1-5: turning added: frame: truss added | Philip Denton via 00011861 |
| 31 Mar 2012 | 1-6: frame id added; frame info added | Neal Dodge via e-mail |
| 27 Dec 2011 | PN is now every Thu; URL added | Neal Dodge via e-mail |
| 20 Mar 2009 | PN no longer Mon but 2nd,4th,5th Thu | Jacky Savage (Tower Captain) via e-mail |
| 22 May 2007 | Tenor note not Ab: nominal added (G+22c) | Andrew Higson via pNBR |