radio hijacking; broadcast signal intrusion
Wasei-eigo term for the act of taking over a radio broadcast, often by unauthorized transmission. Used in news and technical contexts.
wasei-eigo (Japanese-coined English), from radiojack
Last night, a radio hijacking occurred at a local radio station.
Radio hijacking may constitute a violation of the Broadcast Act.
Variant with interpunct; less common but still seen.
Wasei-eigo from English 'radio' and 'jack' (as in hijack).