DescriptionWLS Moving Day advertisement (1941).jpg
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
Licensing
Public domainPublic domainfalsefalse
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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DescriptionWLS Moving Day advertisement (1941).jpg
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
Licensing
Public domainPublic domainfalsefalse
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.
Information
Captions
Add a one-line explanation of what this file represents