All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Jan 2012 | 1-6: frame id added; frame info added | John Baldwin via database |
| 28 Mar 2008 | Wed (winter) PN info added | David Floyd (Assn webmaster) via e-mail |
| 4 Jul 2007 | Augmented from 5 to 6 | Matthew Higby via pNBR |
| 16 Mar 2007 | Dedication is not simply S Michael | David Floyd (& CofE info website) via e-mail |
| 13 Jun 2005 | Tenor nominal added (=Ab+27c) | David Kelly via e-mail |