All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Sep 2014 | 1-8: frame id added; fr: details added | David Sloman via e-mail |
| 31 Aug 2014 | 1-8: nominal added; 7: diam amended | Tim Jackson via 00010864 |
| 15 Apr 2011 | PN changed to Wed (from Thu) | Lynne Flower via e-mail |