All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Jul 2019 | Svc: canons,turning added | Tim Jackson via e-mail |
| 24 Jul 2019 | Dis: added | Tim Jackson via e-mail |
| 25 Jun 2019 | 1-8: frameid,turning added; frame info added | John Baldwin via database |
| 11 Jun 2007 | Rehung and augmented (HMA) | HMA via e-mail |