I did have the Captain Scarlet one, and I think the site is the Goonhilly Satellite Earth Station.One of the staff from there used to act as one of our presenters engineers in his spare time about ten years ago.
That's it Bill! Goonhilly! What a great name. The stuff of Quatermass! Small world eh, Goonhilly and Celtica! Bet they got a good signal down there!