All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Jul 2009 | 1-6: nominal, canons & turning info added, diam amended | Andrew Higson via 00007788 |
| frame info added | Andrew Higson via 00007788 | |
| 24 May 2007 | PN start time added (Fri 19:00-20.30) | Tim Jackson #113 via e-mail |