All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Nov 2018 | 1-6: turning,frameid added; frame info added | David Sloman via 00013156 |
| 10 Jan 2010 | PN amended (from 3rd Fri) to Mon weekly | Jo Elliott via e-mail |
| 17 Jun 2008 | Previous PN change e-mail noted - but not actually amended! | Jo Elliott via e-mail |
| 29 Apr 2008 | PN not Thu but 3rd Fri | Jo Elliott (District Secretary) via e-mail |