Since Katz requested it, here’s an old posting from October 2002 in a blog that I’ve not put up on the archive yet:

Culled from and/or contributed to http://www.ntk.net/

Morwenstowe NSA Listening Station [link]

Menwith Hill NSA Listening Station [link]

Chicksands DF station [link]

Aldermaston Nuclear Weapons Research Establishment [link]

Fylingdales AEW Station [link]

Maiden Castle Hillfort: [link]

As-ever, the fun thing is to mouse over the images to bring-up the underlying printed map, only to discover that you’re looking at whitespace…