All changes to tower
| Date | Change | Source |
|---|---|---|
| 9 Dec 2024 | Fr1 added | Stuart Hutchieson, visited 23 June 2007 #007804 |
| 9 Mar 2008 | Unspecified edit | |
| 7 Mar 2008 | Tenor note not F; nominal: E+36c | Andrew Higson via pNBR |
| 12 Feb 2005 | PN added from Assn webpage | Roger Bailey's webpages via www |