[Bluecortina]

Yes that was the 'Ancillary Teletext Service' on P600-699 as I say it was only allowed to have programme related content so not to compete with Teletext Ltd.

London's didn't start till late on, possibly September 1993, it changed between LWT, Carlton and GMTV. As I mentioned, Westcountry's was up and running a lot earlier, there's was done in house I think. Most regions including London was done by Intelfax, a stones throw away from TLS in Lower Marsh


The London news, travel, adverts etc were Teletext Ltds thing, they came from Fulham and I settled at Crystal Palace

I don't recall the London local teletext service starting other than day one? I can clearly see in my minds eye the equipment bays with the kit in it, I sometimes very rarely see the projects engineer who installed it all and I can ask it but it may be a very long while. Do you have any more info on that start date?

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Come 1993 ITV Network Centre was responsible for the channel.
Did anything change for playout? For example did Granada have a line booking for transmitting Coronation Street, or was there a centralised distribution centre, a clean feed for regions to opt in and out of?

At the start of 1993 nothing changed at all with regards to the physical routing of network programming. Network switching became the responsibility of LNN TX - but all circuits still went via the TLS Lines area.