Actually, mention is made of the Chain Home system in the article, so perhaps you ought to send an apology?
"It's living history. When you stand at the top of the radar mast you can see the craters where the Luftwaffe tried to knock it out."
Sgt Dean Davies of the RAF's Aerial Erector School, tells students about RAF Stenigot's role in the Battle of Britain.
RAF Stenigot, near Louth, was built as part of Britain's Chain Home Radar warning systems during World War Two.
And unless you happen to live near these kind of antennae or know a bit about them the automatic assumption is that they are radar dishes.