All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 Jun 2020 | fr1: layout amended,truss added | Tim Jackson via e-mail |
| 31 May 2020 | PN removed; in future ad hoc & not necessarily a Wednesday S | Jeff Brannan via e-mail |
| 18 Aug 2009 | 1-8: nominal,turning,frameid added; frame info added | Andrew Higson via 00008058 |