All changes to tower
| Date | Change | Source |
|---|---|---|
| 10 Sep 2014 | PN info added; indication of toilet facility added | Stephen Taylor (Tower Captain) via e-mail |
| 4 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 4 May 2008 | Tenor note not F#; nominal: F+28c | Bill Hibbert via pNBR |