All changes to tower
| Date | Change | Source |
|---|---|---|
| 28 Oct 2019 | 2,3: frameid amended | Tim Jackson via e-mail |
| 21 Jun 2018 | Indication of available toilet facility added | TimJ (Remarks230) via e-mail |
| 27 Jan 2012 | 1-8: frameid added; frame info added | John Baldwin via database |
| 3 Jan 2011 | 3-8: founder amended | Nick Bowden via e-mail |
| 7 Mar 2007 | Tenor nominal added (Eb-3c) | Andrew Higson via pNBR |