All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 May 2017 | 1-5: turning,frameid added; frame info added | Andrew Higson via 00012127 |
| 5 Oct 2016 | PN added: 3rd Thu (in rotation, with 5th by arr) | Jonathan Dickenson via e-mail |
| 2 Jun 2006 | Tenor nominal added (F#+23c) | Andrew Higson via pNBR |