All changes to tower
| Date | Change | Source |
|---|---|---|
| 4 May 2018 | PN info removed - no longer practise (alt with Fulbeck) | Paul Jackman via e-mail |
| 30 Oct 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 31 Mar 2011 | 1-5: nominal, canon info added | George Dawson via e-mail |
| 14 Jan 2009 | PN info (alt Thu - with Fulbeck) added | Paul Jackman via e-mail |
| 13 Feb 2006 | Tue PN removed: "no longer hold a practice" | Chris Woodcock via e-mail |