All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Aug 2009 | 1-8: turning, frame id added; frame info added | Mike Chester via 00007943 |
| 17 Jan 2008 | URL amended | Mike Chester email via e-mail |
| 19 Oct 2007 | Tenor note not F; nominal added: E+47c | Chris Pickford (JT&Co data) via pNBR |
| 29 Mar 2003 | URL modified (again) | Mike Chester via e-mail |