English version

off-air

From Longman Dictionary of Contemporary Englishoff-airˌoff-ˈair adjective [only before noun]  not being broadcast on the radio or television at the present moment opp on air, on-air off-air television recordings
Examples from the Corpus
off-airThis is one example of a task related to an extract from off-air documentary material within a unit on drugs.The treatment of off-air material outlined in Video Plans 14 and 15 could form the basis for discussion of this kind.In some cases a single aerial serves a block of flats or a valley area where off-air reception is poor.However you will need to find out about the laws governing off-air recording in the country you are in.
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