An analogy to this is the broadcasting region of a radio antenna. These would be sent to a digital-to-analog converter connected to a radio antenna. A Luneburg lens can be used as the basis of a high-gain radio antenna. The radio antenna included is simply a flexible rubber-covered wire. The radio antenna was integrated into the rear window. Radio antenna moved to the rear of the roof. Sutro Tower is a three-pronged TV and radio antenna tower in San Francisco, California. These restyled cars also featured revised external door handles and an integrated radio antenna. The radio antenna moved from inside the windscreen to the roof. B weighed more, the radio antenna was moved and better radio equipment was used. In St. Maarten, these strong winds toppled a radio antenna. During World War II, Sears introduced the Silverstone radio antenna for their radio receivers. It could be recognized by the prominent "clothesline" radio antenna mounted on the rear deck. A stiff rod will perform; a non-telescoping automobile radio antenna can be a dramatic exhibitor. Two large radio antenna were also attached to the rear of the bustle.