Lavernock Point, near Cardiff, Wales
Mathematical Gazetteer of the British Isles
Lavernock Point, about 6 miles south of Cardiff, was the site of some of Marconi's early wireless experiments in 1897: he transmitted to the island of Flat Holm (or Flatholm), 3 miles to the SE in the Bristol Channel.
See THIS LINK
See THIS LINK
The Mathematical Gazetteer of the British Isles was created by David Singmaster.
The original site is at THIS LINK.
The original site is at THIS LINK.