•: It was used in the past to move and direct the TV antenna (the 'Anrel') on the roof left and right towards the four directions (north, south, east, west) to get the best possible TV broadcast signal. • Time period: This type dates back to the seventies and eighties of the last century, and is considered today one of the heritage pieces or old antiques for collectors. • Operation: It is connected to an external motor unit on the roof antenna via special wires, and the user controls the rotating disc to accurately select the antenna's direction.