Teletext in Salt Lake City, Utah premiered a teletext service using Ceefax. They were followed by television network CBS, which carried out preliminary tests on both the British Teletext and the rival French Antiope system. One of the most prominent providers was the "Electra" teletext service, using World System Teletext (WST), broadcast from the early 1980s on American cable channel WTBS. Electra also carried another teletext service on its higher-numbered pages, a service called "Tempo". "Tempo" mainly carried sports (and other miscellaneous) information on its pages. At the time of Electra's closing in 1993, it was the only existing teletext service
Sbectel service in conjunction with Teletext Ltd, Teletext on 4, on pages 400-499. In September 2007 the bilingual digital text service available on S4C Digidol was launched only to Freeview viewers in Wales. When the first area in Wales (most of South West Wales) completed its Digital Switchover on 9 September 2009, 'Sbectel' also ceased. Partly it has been replaced by service pages from s4c and bbc on the internet, as: Sbectel Sbectel () is the name of S4C's former ancillary teletext service. It was named after the Welsh language S4C programme magazine called Sbec (Welsh for 'peek') which was originally