Dialogue tense on very right-wing channel (6)

I believe the answer is:

talktv

'right-wing channel' is the definition.
(talkTV is a British TV channel)

'dialogue tense on very' is the wordplay.
'dialogue' becomes 'talk' (I've seen this in another clue).
'tense' becomes 't' (abbreviation used in many dictionaries).
'on' means one lot of letters go next to another.
'very' becomes 'v' (abbreviation).
'talk'+'t'+'v'='TALKTV'

I've seen this clue in The Independent.

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