Television, electronic system (in practical use since approx. 1935) of transmitting and reproducing moving images from a transmitter to receivers via cable ( Cable Television) or air-borne radio signals (terrestrial transmission or via radio satellites). The earliest experiments in Austria ( RAVAG) were started in 1928-1930, trial broadcasts for the general public began in 1955. Regular television broadcasts commenced on January 1, 1957. Television and sound radio programmes are now produced by ORF or by regional radio stations.