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Each ITV region, Channel 4 and Channel 5 each have space in the VBI (vertical blanking interval) allocated for their own use. This is where subtitles, PDC information and ancillary teletext services live. Channel 4 has magazine 300-399 allocated, whereas ITV regions use pages 600-699. Channel 5 is using 500-599. Intelfax Ltd are contracted to provide most of these services. |
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Anglia |
Border |
Carlton |
Central |
GMTV |
Grampian |
Granada |
HTV Wales | HTV West |
LWT |
Meridian |
STV |
Tyne Tees |
Ulster |
Westcountry |
Yorkshire |
Channel 4 | S4C |
Channel 5 |
Televox |
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