All changes to tower
| Date | Change | Source |
|---|---|---|
| 27 Sep 2020 | 1-6: frameid,canon info added; 2-5: (app)wt added | Lewis Benfield via 00014014 |
| 8 Oct 2019 | 1-6: partials added | Tim Jackson via e-mail |
| 16 Aug 2019 | 1-6: nominal added | Lewis Benfield Via Nick Bowden via 00013541 |