S4C (Welsh pronunciation: [ɛs ˈpɛdwar ɛk], from the Welsh Sianel Pedwar Cymru, meaning "Channel Four Wales") is a Welsh-language public-service television channel based in Cardiff and broadcast throughout Wales.The first television channel to be aimed specifically at a Welsh-speaking audience, S4C is (after BBC One, ITV, BBC Two and Sky1) the fifth-oldest television channel in the United Kingdom (Channel 4 was launched in the rest of the country one day later.)When first established, the channel—initially broadcast on analogue television—was bilingual (Welsh and English) outside peak hours, with English-language content consisting of the simultaneous or deferred transmission of programmes from Channel 4 (analogue reception of which was unavailable in most of Wales).