Sorry, I ran out of credit http://www.causton.suffolk.sch.uk/apnicure-winx-cost-2299.pdf apnicure winx
  Throughout the Forties and Fifties the skyscape of Britain began to change, with thousands of aerials sprouting on rooftops “like Chinese ideograms”. Not all of these were connected to TV sets. Early detector van engineers often found people who had erected dummy aerials to try to impress their neighbours.