All changes to tower
| Date | Change | Source |
|---|---|---|
| 10 Nov 2020 | 1-5: nominal added | Chris Richmond recording via Nick Bowden |
| 27 May 2019 | PN changed (from Tue); indication of toilet added S | Jo Belsten (Tower Captain) via e-mail |
| 4 Mar 2010 | 1,2,4: date amended; 1,2: canon info added | Philip Denton via 00008498 |
| 3: date amended; 1-5: frameid added; frame info added | John Baldwin via database |