Digital TV Aerials can receive far more channels in the same amount of space using Digital technology. Digital Installations are a relatively new phenomena - terrestrial Digital TV is FREE. It costs nothing at all to receive most of these channels. Digital Aerial Signals need to be clean, meaning they must be able to receive a good quality signal to work properly. London, Surrey, Hants, Middlesex, Berks, Kent, East Sussex, West Sussex. more...