Television
perfomaces are appearing around th year 1930.In Berlin in 1936,transmit a TV signal.John Logie Baird first display television.It's signal is transmitted via radio systems.The first signals brodcast over the air and via cabl,analog signal.The first TV transimission is playing a radio station CKAZ.The image red and black colours ,united 40x40mm.In 2010 ,in 51 TV chanells ,but they're only four television programmes covering almost the whole of the English audience.