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
Teletext Ltd. editorial on ch 986 on Freesat. The GameCentral section continued online on the Teletext website before joining another DMGT website Metro and can now be found at http://www.metro.co.uk/tech/games/ Despite the withdrawal of news and information content, the service continued to broadcast. On 29 January 2010, the broadcasting regulator Ofcom revoked Teletext's licence to broadcast but as of the service was still on the air. On 27 May 2010, Ofcom imposed a financial penalty of £225,000 on Teletext Limited following the revocation of the public teletext service licence. Ofcom regulations state: "Public service broadcasting licences are offered for a fixed term,