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History
Portable broadcasting stations in the United States
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Portable broadcasting stations in the United States was a category of AM band radio stations, which were not restricted to operation in a specific community, but instead were permitted to be transported for broadcasting from various locations. These authorizations began in the early 1920s during a period when radio regulation in the United States was the responsibility of the Department of Commerce. However, after the newly formed Federal Radio Commission (FRC) took over in early 1927, it was decided that allowing stations to make unrestricted relocations was impractical, and in 1928 the FRC announced that existing portables that had not settled into permanent locations would be deleted. Station owner C. L. Carrell attempted to overturn the new policy, but was unsuccessful.
1928 publicity photograph of KGGM, used each evening along the route of a coast-to-coast foot race.
1928 publicity photograph of KGGM, used each evening along the route of a coast-to-coast foot race.
A. H. Grebe Company's WGMU, installed on a Lincoln automobile body and based in New York City (1925)
A. H. Grebe Company's WGMU, installed on a Lincoln automobile body and based in New York City (1925)
A. H. Grebe Company's WRMU, installed on the MU-1 yacht based in Richmond Hill, New York City (1926)
A. H. Grebe Company's WRMU, installed on the MU-1 yacht based in Richmond Hill, New York City (1926)
In 1924-1925 the WJAZ call letters were assigned to a "motor truck" mounted portable transmitter, used to evaluate potential permanent transmitter sit
In 1924-1925 the WJAZ call letters were assigned to a "motor truck" mounted portable transmitter, used to evaluate potential permanent transmitter sites around Chicago.
Breese-Wilde Model 5
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The Breese-Wilde 5 is a custom-built high-wing monoplane that was produced for and used in the Dole Air Derby of 1927.
Breese-Wilde Model 5
Breese-Wilde Model 5
Pabco Pacific Flyer with Maj. Irving and family before the start of the Dole Air Race (1927)
Pabco Pacific Flyer with Maj. Irving and family before the start of the Dole Air Race (1927)
Jensen (L) and Schluter (R), 1927
Jensen (L) and Schluter (R), 1927