All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Sep 2018 | OCP tuning noted | TimJ(REMRKS231;Richard Offen) via e-mail |
| 7 Aug 2010 | 3: date amended; 1-3: canons, frame id added; frame info added | Keith Gatman via e-mail |
| 18 Jan 2009 | Ring key is nearer Db than D (tenor nominal: D-42c) | Tim Jackson via pNBR |
| 2 Jan 2006 | Tenor note & nominal (=D-42c) added | Dave Kelly via e-mail |