All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Jul 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |
| 22 Jun 2009 | 1-8: nominal added; 1-7: wt corrected | Andrew Higson via 00007603 |
| 10 Jun 2009 | PN info added | Anthony Cotton: DDA Annual Report via e-mail |