All changes to tower
| Date | Change | Source |
|---|---|---|
| 17 Dec 2017 | Indication of toilet facility added | TimJ#227 via e-mail |
| 7 Mar 2006 | PN info added | Tim Jackson#89 via e-mail |
| 27 Feb 2006 | Tenor nominal added (Ab-9c) | Dave Kelly via e-mail |
| 6 Jan 2006 | Tuning info added | Sam Austin via e-mail |