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WDSM
WDSM (710 AM) is a talk radio station in Duluth, Minnesota, (licensed to Superior, Wisconsin). WDSM was created in 1938 as an affiliate of the Mutual Broadcasting System. The requested call letters were W Duluth Superior Mutual. WDSM provided Mutual programming throughout the Iron Range of Norther...
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Talk radio
Talk radio is a radio format containing discussion about topical issues. Most shows are regularly hosted by a single individual, and often feature interviews with a number of different guests. Talk radio typically includes an element of listener...
Commercial broadcasting
Private television (as called in all latin countries) or commercial broadcasting is the United States first model of television born in 1920 decade, antithetical to the "public television" model born in Europe in 1930, 1940 and 1950 decads and...
