Recording of transmission
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A recording of transmission (ROT) is a record made of material broadcast on a radio station. ROTs were usually made on videotapes that can record up to eight hours at a time. These days recordings are often made on hard disk by software, or dedicated hardware.
UK law
[edit]By United Kingdom law, every radio station must record everything it broadcasts and retain the recordings for 42 days (approximately 1,000 hours) should a complaint be made about something the station has broadcast.
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