Teletext systems the country being closed captioning, TV Guide On Screen, and Extended Data Services (XDS). A version of the European teletext standard designed to work with the NTSC television standard used in North America was first demonstrated in the US in 1978 by station KSL in Salt Lake City, Utah, premiered a teletext service using Ceefax. They were followed by American television network CBS, which decided to try both the British Ceefax and French Antiope software for preliminary tryouts for a teletext service, using station KMOX (now KMOV) in St. Louis, Missouri as a testing ground. CBS decided on Antiope and
MediaCorp Teletext MediaCorp Teletext MediaCorp Teletext was a Singaporean teletext information service provided by MediaCorp. It was carried on MediaCorp's Channel 5, Channel 8 and Channel NewsAsia. On top of the standard information carried by most teletext providers, it also carried information unique to Singapore, such as COE and ERP rates, announcements from selected ministries in Singapore and lottery results. The service was also accessible over the Internet since 1999 until its shutdown in 2013. The service was launched on Channel 5 and Channel 8 on 1 August 1983, being the first teletext service in Asia. It was called SBCText when it