All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Nov 2021 | Project completed | Andrew Nicholson |
| 5 Sep 2020 | 1-6: turning added | Tim Jackson via e-mail |
| 6 Mar 2020 | 1-6: frameid added; fr1: details added | Tim Jackson via 00013640 |
| 17 Nov 2005 | PN early start added | Julian Parker via e-mail |