INFORMATION:

Chattis Hill is situated two Kilometres west of Stockbridge on the A30.

OS Ref: SU327352
You can use the Ordnance Survey 'Get a Map' and follow the instructions. Copy and paste the map reference. This reference is the Control Tower.

Chattis Hill was built as a dispersed assembly factory for Spitfire manufacture, but also in WW1 it was an RFC Training Depot Station..