All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Apr 2018 | Indication of toilet facility added | Ian Oram via e-mail |
| 3 Apr 2018 | 1-6: turning,frameid added; frame info added | Chris Pickford via 00012809 |
| 9 May 2007 | Tenor nominal added (F-31c) | Andrew Higson via pNBR |