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
Park Avenue (teletext soap) Park Avenue (teletext soap) Park Avenue was a daily teletext based soap opera on ITV's ORACLE Teletext service, which was written by Robbie Burns. It was launched in 1988, and 1,445 episodes were written during its time on air. It later moved to Channel 4 after ORACLE was reorganised, before ending when the service lost its franchise at the end of 1992. The series was launched on Page 126 of ORACLE on ITV on Thursday 1 December 1988, with a new episode appearing at 5:00pm each afternoon (including weekends). Park Avenue was set in the fictional town of Parkfield (which