Resultado da Busca
15 de mai. de 2024 · Broadcasting, electronic transmission of radio and television signals that are intended for general public reception, as distinguished from private signals that are directed to specific receivers.
22 de mai. de 2024 · Ratings, Statistics. AmericanRadioHistory.com: The Online Radio & TV Library offers ratings (Arbitron and other statistics). Archival Collections (Not at Harvard) A resource guide to the golden age of radio: special collections, bibliography and the Internet, by Susan and David S. Siegel.
- Fred Burchsted
- 2010
Há 6 dias · Gilles Vrignaud, a lifetime member of the California Historical Radio Society, tests a vacuum tube while volunteering at the Bay Area Radio Museum in Alameda, California, on March 2.
Há 6 dias · The concept of radio communication dates back to the late 19th century when scientists such as Heinrich Hertz and Guglielmo Marconi conducted experiments with electromagnetic waves....
Há 5 dias · Discover 20 fascinating facts about radios, from their invention to their impact on technology and society. Uncover the history and evolution of this essential communication tool.
Há 1 dia · National Public Radio (NPR, stylized as npr) is an American non-profit media organization headquartered in Washington, D.C., with its NPR West headquarters in Culver City, California. It serves as a national syndicator to a network of more than 1,000 public radio stations in the United States.
Há 6 dias · The early history of broadcasting (as opposed to narrowcasting), from around 1920 up to the outbreak of the Second World War, presents distinct historiographical problems because of the medium’s ephemerality.
