Teletext systems expensive cost of NABTS decoders, costing in the thousands of dollars upon their release to the public. NABTS, however, was adopted for a short while by American TV networks NBC & CBS throughout the early-to-mid 80s, CBS using it for their short-lived ExtraVision teletext service, which premiered after the early Antiope & Ceefax trials by CBS & KNXT, and NBC, who had a NABTS-based service called NBC Teletext for a very short time in the mid-1980s. NBC discontinued their service in 1985 due to the cost of NABTS decoders not dropping to an affordable level for the consumer public. The
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