All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Jun 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 4-6: turning info added | John Baldwin via database | |
| 21 Nov 2004 | Practices are clearly not every week | Wendy Campbell (GDR website) via e-mail |