Mvyradio's programming was to be transferred to the Friends of Mvyradio as a non-commercial Internet-only station.

"I haven't heard of any Internet-only local stations that have been successful," he said.

At any moment, the most popular Internet-only stations may have 200 to 300 listeners compared with 45,000 for a regular major market station.

IT remains to be seen whether Internet-only stations can make money.

But radio stations have had 75 years to build a following; Internet-only stations have had less than three years.

Initially an Internet-only station, broadcasting 24 Hours a day.

As perhaps could be expected, it is primarily the Internet-only stations that are pushing the new medium's creative limits.

FM are clearinghouses for hundreds of traditional and Internet-only stations.

The student radio station is now WVAU, an Internet-only station.

Mountain Chill began as an Internet-only station almost a decade before the FM signal went on the air in October of 2011.