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First national radio network in North America. [47] Developed by the Canadian National Railway to provide en route entertainment for train passengers but also available to anyone within signal range. Consisted of 27 stations (3 owned and operated and up to 24 "phantom stations" – time leased on affiliated radio stations. WEAF chain
On February 17, 1919, station 9XM at the University of Wisconsin in Madison broadcast human speech to the public at large. 9XM was first experimentally licensed in 1914, began regular Morse code transmissions in 1916, and its first music broadcast in 1917. Regularly scheduled broadcasts of voice and music began in January 1921.
The station was ultimately relicensed as WWJ, and while observing its 25th anniversary in 1945 the News claimed for it the titles of "the world's first station" and where "commercial radio broadcasting began". [85] After the war the American Radio and Research Company (AMRAD) in Medford Hillside, Massachusetts reactivated 1XE. Although there is ...
Milestones in radio: the first half century (1895–1945). The UNESCO courier (February 1997), p. 16–21; Radio Review/Radio Listeners Guide (1925–1929), Broadcasting Yearbook (1935–2010), World Radio TV Handbook (1947–) Berg, Jerome S. The early shortwave stations: a broadcasting history through 1945 (2013) radioheritage.net
In the United States, FM broadcasting stations currently are assigned to 101 channels, designated 87.9 to 107.9 MHz, within a 20.2 MHz-wide frequency band, spanning 87.8–108.0 MHz. In the 1930s investigations were begun into establishing radio stations transmitting on "Very High Frequency" (VHF) assignments above 30 MHz.
After the war, numerous radio stations were born in the United States and set the standard for later radio programs. The first radio news program was broadcast on August 31, 1920, on the station 8MK in Detroit; owned by The Detroit News, the station covered local election results. This was followed in 1920 with the first commercial radio ...
The first public radio network in the United States was founded in 1949 in Berkeley, California, as station KPFA, which became and remains the flagship station for a national network called Pacifica Radio. From the beginning, the network has refused corporate funding of any kind, and has relied mainly on listener support.
Marconi transmitted from his station in Glace Bay, Nova Scotia, Canada across the Atlantic, and on 18 January 1903 a Marconi station sent a message of greetings from Theodore Roosevelt, the President of the United States, to the King of the United Kingdom, marking the first transatlantic radio transmission originating in the United States.