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File:WLS Moving Day advertisement (1941).jpg

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English: March 29, 1941 was informally know as "moving day", when a majority of radio stations in North America moved to new transmitting frequencies, as part of the implementation of the North American Regional Broadcasting Agreement. This advertisement referenced the pending shift of WLS in Chicago from 870 to 890 kHz.
Date
Source Advertisement for WLS radio in Chicago, which appeared on page 2 of the March 24, 1941 issue of Broadcasting
Author Commercial advertisement

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Public domain This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1929 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties. See this page for further explanation.

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current09:35, 30 March 2018Thumbnail for version as of 09:35, 30 March 2018710 × 935 (317 KB)Thomas H. White (talk | contribs)User created page with UploadWizard

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