All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Dec 2022 | Frames added | Peter Hayward via Frame backlog |
| 4 Feb 2012 | PN modified (was Mon) | Brenda Parr (Dist Sec) via e-mail |
| 16 Apr 2007 | Tenor nominal added (F-39c) | Andrew Higson via pNBR |
| 1 Feb 2004 | K&M added to dedication info | Tim Jackson#57 (and Crockford) via e-mail |