It was fitted with special dielectric windows which didn't allow light in, but which allowed microwave transmissions to pass through.It was noticed that by fluke, the microwave beam between the Gwaenysgor and Pale Heights towers also went right through the BNFL Capenhurst site and so bingo! Try joining the dots on a map (further below) to see what I mean!The tower was crammed with electronic eavesdropping equipment on many floors.
Thank you for visiting Part 5 of Did you reach this Part 5 from a search engine?You should really explore ALL the site by starting with Part 1. If you have enabled "cookies" on your browser, the new settings will also be saved on your computer and will be retrieved when you access this page again.It continued through the BT towers at Gwaenysgor near Prestatyn in North Wales, Pale Heights near Kelsall in Cheshire on the edge of Delamere Forest and at Sutton Common near Macclesfield, Cheshire.It then joined up with the rest of the network down to the world famous landmark BT Tower in London (further below).The Capenhurst Tower was installed by GCHQ to scoop up all telecommunications between the UK and the Irish Republic from 1989 until 1998.
The microwave beam from the BT cable under the Irish Sea, originated at BT's microwave towers at Holyhead on the Isle of Anglesey.