KWMU (90.7 Hertz) is a non-commercial, listener-supported radio station in St. Louis, Missouri. It airs a public radio radio format of talk radio, as a member station of National Public Radio (NPR). KWMU is operated by St. Louis Public Radio, with its license held by the Curators of the University of Missouri System. The studios and offices are on Olive Street in Grand Center, near the campus of Saint Louis University.
KWMU is a Class C1 station. It has an effective radiated power (ERP) of 100,000 , the maximum for most stations. The transmitter is on Trianon Parkway Drive in Shrewsbury, sharing a tower with other local FM and TV stations. Radio-Locator.com/KWMU KWMU broadcasts using HD Radio technology. Its HD2 digital subchannel carries a jazz format as "Jazz KWMU-2" The HD3 subchannel plays classical music as "Classical KWMU-3."
On weekends, specialty shows are featured, including Wait, Wait, Don't Tell Me, Radiolab, On The Media, The New Yorker Radio Hour, The TED Radio Hour, The Moth Radio Hour, Splendid Table, Reveal and This American Life.
St. Louis Public Radio (STLPR) also broadcasts on 88.5 KMST in Rolla, Missouri, and 90.3 WQUB in Quincy, Illinois. Periodic on-air are broadcast.
In 1983, it was the first radio station in St. Louis to play music from Compact Disc. A year later, it became the first radio station in the United States to broadcast Ambisonics programs.
In 1992, the station increased its effective radiated power to 100,000 watts. In 1995, the station eliminated the remaining weekday music programs and moved to an all-news and talk format, except for a few specialty shows on weekend nights.
On September 10, 2009, KWMU rebranded as St. Louis Public Radio (STLPR). Its website switched to a new address: stlpublicradio.org.
In September 2010, STLPR became the radio outlet for live broadcasts of the St. Louis Symphony Orchestra. It airs Saturday night concerts from Powell Symphony Hall.
In April 2011, STLPR broke ground on a state-of-the-art studio facility on Olive Street at Grand Center. The facility also houses academic space for UMSL. On June 18, 2012, STLPR moved from its longtime home on the first floor of Lucas Hall on the UMSL North campus in Bellerive, to the new facility.
On July 26, 2012, UMSL officially acquired WQUB from Quincy University. The station now serves as a semi-satellite of KWMU in the Illinois-Iowa-Missouri Tri-State Area.
Beginning July 1, 2017, UMSL also began broadcasting on 88.5 KMST in Rolla as a satellite of KWMU for south-central Missouri.
The station employs more than 30 journalists and has a total staff of over 70. There are also scores of volunteers helping for special events.
In Fiscal Year 2019, STLPR's revenue totaled $8,856,000. Its sources were from:
Revenue from Community Support totaled $8,130,000. Its sources were from:
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