Radio media spending data is drawn from a tracking universe of 540 radio stations nationwide.
We currently monitor English language advertising in 20 top markets and Spanish language advertising in 39 markets.
All stations in a market with a share of 2.0 or greater are included.
Monitoring is 24/7. In total, more than 80,000 hours of radio programming are monitored each week. Currently monitored markets include: (English Language: // Spanish Language: )