Postwar broadcast coverage was extended to Birmingham in 1949 with the opening of the Sutton Coldfield transmitting station, and by the mid-1950s most of the country was covered, transmitting a 405-line interlaced image on VHF.[original research?]
Which facility brought the BBC's transmissions to Birmingham?
{'text': 'Sutton Coldfield transmitting station', 'answer_start': 86}