1904 in radio
The year 1904 in radio involved some significant events.
Events
- 7 January - The Marconi Company establishes "CQD" as one of the first international maritime radio distress signals.
- 24 May - The United States Patent Office awards Marconi a patent for a "Wireless signaling system".
- 11 October - Brazilian priest and researcher Roberto Landell de Moura is awarded a patent by the United States Patent Office for a "Wave-transmitter".
- 16 November - English electrical engineer John Ambrose Fleming, working for Marconi, is awarded a United States patent for the Fleming valve, the first thermionic vacuum tube, a two-electrode diode, which he calls the oscillation valve.
- First radio transmission of music, at Graz, Austria.
Births
- 5 January - Anona Winn, Australian-born British broadcasting personality
- 15 January - Charles Hill, British physician, medical and broadcast executive, politician and "The Radio Doctor"
- 23 February - William L. Shirer, American war correspondent
- 8 May - John Snagge, English radio newsreader
- 24 May - Sefton Delmer, German-born British propaganda radio broadcaster
- 14 August - Lindley Fraser, Scottish-born academic economist and broadcaster
- 27 October - Les Mitchel, American radio and film producer, director and actor
- 24 November - Pegeen Fitzgerald, American radio talk-show host on WOR and WJZ in New York City and Norcatur, Kansas