All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 May 2009 | 1-8: canon info and nominal added | Andrew Higson via 00007479 |
| 13 Feb 2008 | PN info slightly amended (excluding Jul & Aug) | Phil Tremain via e-mail |
| 12 Feb 2008 | PN info added | Phil Tremain via e-mail |
| 1 Jun 2004 | Placename is NOT St Columb Minor Rural | Phil Tremain via e-mail |