All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Jul 2021 | 3-4: frame number amended | Pictures via Thomas Ashwin-Siejkowski |
| 20 Oct 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |
| 21 Jul 2008 | PN start time added | John Adams via e-mail |
| 23 Nov 2007 | Tenor note not E; nominal: Eb-34c | Andrew Higson via pNBR |