![On March 1st, 1941, the world's first commercial FM radio station started broadcasting in Nashville Tennessee. The first call sign was W47NV, later changed to WSM-FM. FM is used worldwide to provide On March 1st, 1941, the world's first commercial FM radio station started broadcasting in Nashville Tennessee. The first call sign was W47NV, later changed to WSM-FM. FM is used worldwide to provide](https://i.redd.it/d8ueh4iwtrk81.jpg)
On March 1st, 1941, the world's first commercial FM radio station started broadcasting in Nashville Tennessee. The first call sign was W47NV, later changed to WSM-FM. FM is used worldwide to provide
![The beautiful WSM 650 AM Blaw Knox diamond transmitter tower in Nashville, TN | Radioamatori, Elettronica The beautiful WSM 650 AM Blaw Knox diamond transmitter tower in Nashville, TN | Radioamatori, Elettronica](https://i.pinimg.com/736x/01/a9/1f/01a91fb29340906834ebe2fe6426c2fc--radio-amateur-in-the-backyard.jpg)
The beautiful WSM 650 AM Blaw Knox diamond transmitter tower in Nashville, TN | Radioamatori, Elettronica
![Air Castle of the South: WSM and the Making of Music City (Music in American Life): Havighurst, Craig: 9780252032578: Amazon.com: Books Air Castle of the South: WSM and the Making of Music City (Music in American Life): Havighurst, Craig: 9780252032578: Amazon.com: Books](https://m.media-amazon.com/images/I/61SL0QfDtgL._AC_UF1000,1000_QL80_.jpg)