All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Apr 2018 | Indication of toilet facility added | Chris Woodcock via e-mail |
| 20 Sep 2009 | 1-6: turning, frame id added; 1-5: nominal added, wt corrected; | Andrew Higson via 00008143 |
| 2,6: diam amended; 6: nominal amended; frame info added | Andrew Higson via 00008143 | |
| 10 Feb 2007 | Tenor nominal added (Bb-46c) | GAD NBR spreadsheet via pNBR |