BBC In 1951, in conjunction with Oxford University Press the BBC published "The BBC Hymn Book" which was intended to be used by radio listeners to follow hymns being broadcast. The book was published both with and without music, the music edition being entitled "The BBC Hymn Book with Music". The book contained 542 popular hymns. The BBC provided the world's first teletext service called Ceefax (near-homonymous with "See Facts") on 23 September 1974 until 23 October 2012 on the BBC 1 analogue channel then later on BBC 2. It showed informational pages such as News, Sport and the Weather. on
BBC World Service 05:20am on BBC Radio 4 FM & DAB. It has always been in mono on its own DAB channel with a bit rate of just 64 kbit/s. BBC World Service can also be heard on BBC Radio Wales from 01:00am until 05:30am on MW and FM stereo. In the 1990s, the BBC purchased and constructed large medium wave and FM networks in the former Soviet bloc, particularly the Czech (BBC Czech Section), Slovak Republics (BBC Slovak Section), Poland (BBC Polish Section) (where it was a national network) and Russia (BBC Russian Service). It had built up a strong audience during