All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Jun 2020 | fr1: truss,layout added | Tim Jackson via e-mail |
| 6 Aug 2015 | 1-6: turning added | John Baldwin via database |
| 19 Jul 2011 | 1-6: nominal added | George Dawson via e-mail |
| 1-6: frame id added; frame info added | John Baldwin via database | |
| 10 Jun 2009 | Tue PN info added | Anthony Cotton: DDA Annual Report via e-mail |