All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Jul 2022 | URL, toilet, simulator added | NDAR website |
| 23 Nov 2021 | 1-6: nominals added and key amended; 2-5: diameter amended; 1: diameter added. S | Nigel Taylor's personal tuning records via D Sloman |
| 3 Sep 2013 | 1-5: wt added; 1: founder added | Tim Jackson via 00010498 |
| 7 Nov 2012 | Tenor is no longer ~9.5cwt in G | Neal Dodge (info: NDA website) via e-mail |
| 6: wt amended | Neal Dodge via e-mail | |
| 2: diam, founder added | John Baldwin via database | |
| 27 Feb 2012 | URL removed: www.shellrockgroup.f9.co.uk/gtell.html | 404: not found via URLbad |
| 22 May 2007 | URL added | Mike Chester via pNBR |