1860s - 1880s:
James Clerk Maxwell showed mathematically that electromagnetic waves can propogate through free space. Heinrich Hertz and other scientists demonstrate this in the laboratory.
1895 - 1897:
Guglielmo Marconi sends and receives his first radio transmission. Nikola Tesla experiments with transmission and radiation of radio waves and becomes the first person to patent radio technology in the U.S.
1900 - 1920:
Reginald Fesseden creates AM radio and is generally credited with sending the first audio broadcast. Edwin Armstrong creates FM radio.
The timeline of radio lists within the history of radio, the technology and events
that produced instruments that use radio waves and activities that people ...
1888: Heinrich Hertz detects and produces radio waves. 1894: Marchese
Guglielmo Marconi builds his first radio equipment, a device that will ring a bell
from 30 ...
An overview of the key milestones in the history of radio technology and its
Radio and television were major agents of social change in the 20th century,
opening windows to other peoples and places and bringing distant events
University engineering professor, and creator of FM radio invented the ... RADIO.
TIMELINE ...Continued on last page... Technologies that underpin mobile radio ...
RADIO'S TIMELINE From Interactive Arts, Pennsylvania State University. Pre-
1900 - The Theory and Foundation. 1600 William Gilbert suggests a link between
A radio tribute site featuring airchecks, photos and links to legendary air
personalities and radio stations.
A Timeline in the History of Radio. 1757-1775, Benjamin Franklin works in
London. 1799, Volta invents electrical battery. 1838, Morse demonstrates
The London Convention and the Radio Act both signed by President Taft, as well
as the US Congress' ratification of the 1906 Berlin Convention, reflect the US ...