All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 15 Aug 2009 | 1-5: nominal added; 6: nominal corrected | Nick Bowden via 00008025 |
| 1 Apr 2008 | Tenor not F; nominal: G-16c | JGMS Devon; Sam Austin; Nick Bowden via e-mail |