Teletext on 4
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Teletext on 4 has been the name of two different text and teletext services in the on Channel 4 and S4C in the United Kingdom.
[edit] Current incarnation
Currently, Teletext on 4 is the name of Channel 4's text service on digital versions of Channel 4 and its teletext service on analogue versions of Channel 4 on pages 400-499. It provides further information about Channel 4 programmes and a subtitles for programmes. The service is run by Teletext Ltd on behalf on Channel 4. Teletext on 4 launched in 2003, replacing Channel 4's previous ancillary teletext service, FourText.
[edit] Previous incarnation
When Teletext Ltd first launched in 1993, its service on Channel 4 and S4C (the equivalent of Channel 4 in Wales) was called 'Teletext on 4' (its ITV service was known as 'Teletext on 3'). The Teletext on 3 and Teletext on 4 branding was soon dropped, though, and the service became known simply as 'Teletext' on both channels.
