Blake Harms on Twitter: "I made a very unofficial map of the top radio station in each US market, based on its format... based on recent ratings data. https://t.co/Ax6W2hWlcF" / Twitter
![BIA/Kelsey report: Hubbard Broadcasting's WTOP-FM again leads U.S. radio industry as highest-grossing station - Washington Business Journal BIA/Kelsey report: Hubbard Broadcasting's WTOP-FM again leads U.S. radio industry as highest-grossing station - Washington Business Journal](https://media.bizj.us/view/img/10395962/top-10-radio-20161*1200xx1699-1701-117-0.jpg)
BIA/Kelsey report: Hubbard Broadcasting's WTOP-FM again leads U.S. radio industry as highest-grossing station - Washington Business Journal
![Local Radio Stations Rank Among Top 5 Most Significant Ad Platforms; Overall Ad Revenue Dipped Slightly from Prior Year to $14.2 B in 2018 - BIA Advisory Services Local Radio Stations Rank Among Top 5 Most Significant Ad Platforms; Overall Ad Revenue Dipped Slightly from Prior Year to $14.2 B in 2018 - BIA Advisory Services](http://www.biakelsey.com/wp-content/uploads/2019/04/top-10-radio-stations-2018.png)