All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Feb 2017 | 1-8: turning,frameid added; frame info added | David Sloman via e-mail |
| 9 Oct 2016 | Indication of toilet facility added | Ian Oram via e-mail |
| 19 May 2011 | PN info added ('.. learners; experienced support welcome..') | Gary Lauderdale via e-mail |
| 6 Oct 2006 | Tenor nominal added (G-31c) | Andrew Higson via e-mail |