All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Jul 2020 | 3-6: canon info added | Adam McCurdy via 00013885 |
| 9 May 2011 | PN has reverted from Tue to Thu (still 18:30 - 20:00) | Deborah Thorley via e-mail |
| 19 Oct 2009 | PN changed to Tue (still 18:30 - 20:00) from Thu | Neil Donovan (info: Deborah Thorley) via e-mail |
| 26 May 2004 | Thu 6.30pm PN added | Deborah Thorley via e-mail |