Advertising on terrestrial radio, bought by station, daypart, and market against Nielsen Audio ratings, and increasingly sold alongside the stations' streams and podcasts. Radio remains one of the largest reach media in the US and is bought largely outside programmatic systems.
Related terms
Cite this entry:
Agency Echelon. "Radio Advertising." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/radio-advertising/