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Up to 650 channels licenced by OFCOM to broadcast across Europe will have to be relicensed in Europe post-Brexit with broadcasting likely to be excluded from any trade agreement. As OFCOM takes a percentage of EU revenues for channels they licence it is likely to severely impact on their revenues as well, even for channels they still licence to broadcast in the UK.
Brexit and broadcasting: Licensing in limbo? - http://www.bbc.co.uk/news/business-44307883
Brexit and broadcasting: Licensing in limbo? - http://www.bbc.co.uk/news/business-44307883