WLSO
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| City | Sault Ste. Marie, Michigan |
|---|---|
| Broadcast area | [1] |
| Branding | The 46th Parallel Radio |
| Slogan | The Northern Vibes |
| Frequency | 90.1 MHz (FM) |
| First air date | 1991 (carrier current) 1993 (FM) |
| Format | college radio, adult album alternative |
| ERP | 100 watts |
| Class | A |
| Callsign meaning | Lake SuperiOr |
| Former callsigns | WLKR |
| Owner | Lake Superior State University |
| Webcast | [2] |
| Website | WLSO |
WLSO is a radio station in Sault Ste. Marie, Michigan, United States, broadcasting at 90.1 on the FM dial under the branding The 46th Parallel Radio. The college radio station of the city's Lake Superior State University, WLSO is the only locally produced, non-simulcasted FM station in the Sault Ste. Marie, Michigan market that isn't owned by Sovereign Communications or Darby Advertising.
The station originally launched in 1991, as an AM carrier current station, broadcasting exclusively to the LSSU campus. After receiving a broadcasting license from the Federal Communications Commission, the station launched on FM in 1993. After a listener contest earlier that year, WLSO rebranded as The 46th Parallel Radio in August 2016, and announced plans to officially launch online streams of the station.
General music rotation on WLSO currently leans towards an adult album alternative format, making WLSO the only station in the Sault Ste. Marie market to focus on indie and folk rock genres. LSSU students can host and program their own radio shows, and air other music genres if desired, though WLSO typically doesn't advertise program schedules online. Regardless, a number of hosts have maintained social media pages for their programs.
Though based out of the Sault Ste. Marie, Michigan market, WLSO can be heard across the border in Sault Ste. Marie, Ontario and immediately surrounding areas, and has featured student DJs from Canada in the past. Central Michigan University in Mount Pleasant also simulcasts their own radio station to the Sault Ste. Marie market at WCMZ-FM, though they air a National Public Radio and jazz format.
WLSO studios are now located in the basement of the Cisler Center. The studio was moved to its new location in 2006 to be more visible in the campus community and easier to access by students. The studio consists of management offices, a recording booth, and the on-air broadcast studio.
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