All changes to tower
| Date | Change | Source |
|---|---|---|
| 27 Jul 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 10 Mar 2017 | PN no longer Thu | Doug Davis (from upcoming KCA 2017 Handbook) via e-mail |
| 17 Jun 2005 | PN no longer Wed | Tim Maddrell via e-mail |
| 5 Jan 2004 | URL amended | Dickon Love via e-mail |