All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Jun 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 2 Dec 2009 | PN is not Mon but Thu | Ray Fanthorpe, Guild Report Editor via e-mail |
| 23 Apr 2007 | Tenor nominal entered (G+26c) | Andrew Higson via pNBR |
| 11 Oct 2004 | Slight dedication change to match Crockford | Graham Nabb check via e-mail |