Its best known TV channels in the UK are BBC One (which began in 1936) and BBC Two (which first went on the air in 1964). The other channels are broadcast as digital-only services and are available to owners of terrestrial digital receiving equipment. BBC One typically shows more mainstream programs while BBC Two has a reputation for more diversity and special interest content. | Its best known TV channels in the UK are BBC One (which began in 1936) and BBC Two (which first went on the air in 1964). The other channels are broadcast as digital-only services and are available to owners of terrestrial digital receiving equipment. BBC One typically shows more mainstream programs while BBC Two has a reputation for more diversity and special interest content. |