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Heinrich Hertz Detects and Produces radio waves.
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Marchese Guglielmo Marconi builds his first radio equipment, a device that will ring a bell from 30 ft. away.
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Marconi establishes first radio link between England and France.
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American scientist R. A. Fessenden transits human speech via radio waves.
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Marconi transmits telegraphic radio messages from Cornwall to Newfoundland.
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Valdemar Poulsen patents an arc transmission that generates continuous radio frequency of 100 kHz and receivable over 150 mile.
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First Radio Transmission of music at Graz, Austria.
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Marconi Invented the directional radio antennae.
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First radio program of voice and music broadcast in the U.S. (by R.A. Fessenden)
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Fessenden invents a high-frequency electric generator that produces radio waves with a frequency of 100 kHz.
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GE develops a 100 kHz, 3 kW alternator for radio communication.
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Radio communications gain publicity when the captain of the Montrose alerts Scotland via radio of an escaping criminal.
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The cascade-turning radio receiver and the heterodyne receiver are introduced.
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Edwin Armstrong patents a radio receiver circuit with positive feedback. Part of the amplified high-frequency of 100 kHz.
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Armstrong develops the suber-heterodyne radio receiver. The principle for this receiver is the basis for the all radio receivers now in use. A 200 kW alternator starts operating at Station NFF, the Naval station in New Brunswick NJ, which was the most powerful radio transmitter of the time.
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1) Shortwave radio is developed.
2) RCA is founded. -
KDKD broadcasts the first regular licensed radio broadcast our of Pittsburgh, PA.
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1) RCA starts opening RADIO CENTRAL on Long Island.
2) The American Radio League establishes contact via a shortwave with Paul Godley in Scotland, proving that shortwave radio can be used for long distance communication. -
WWJ, an AM station in Detroit, offers the University of Michigan broadcasting rights for extension lectures.
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UM's Professors Dreese submits a proposal for several UM operated stations. His proposal was tabled by the Regents, who were not concerned with radio at the time.
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Dreese instead runs experimental station WCBC as a project in the basement of West Engineering. This project died at the end of the academic year.
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WJR-AM offers educational broadcasting spots to the UM. The UM continued to broadcast WWJ as well.
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A radio station in NYC, WRNY begins to broadcast television shows.
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The UM School of Music pursues the idea of radio as education. It taught school band lessons via radio.
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1) Educaional programing originating at the UM grows.
2) The Regents of the UM become interested in radio.
3) WJR cuts the un UM's educational broadcasts for commercial broadcasting.
4) Edward Armstrong patents wide-band frequency modulation (FM radio). -
FM Radio is born, but not only in mono.
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The FCC sets aside educational/non-profit bandwidth on FM.
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Columbia University's Radio Club opens the first regularly scheduled FM radio station.
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The UM decides it needs an FM station, and expresses a commitment to radio broadcasting.
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Televison is born. FM is moved from its original home 42-50Mhz to 88-108 Mhz to make room for TV.
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There are six TV stations in the nation.
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1) The UM starts its first station, known as Michigan Radio or WUOM.
2) The Regents publish a mandate for broadcasting.
3) WOUM is no outlet for student broadcasting radio clubs form and create small studios in East Quadrangle and West Quadrangle. These studios broadcast on AM to their respective buildings via carreir current -
A small studio is created in the newly-erected South Quadrangle.
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1) Sony offers a miniature transistor radio. This is one of the first mass-produced consumer AM/FM radios.
2) The studios in the UM dormitories join forces, and "The Campus Broadcasting Network" is born as WCBN-ÅM. -
Advertising is accepted on WCBN-AM.
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The number of radio receivers in the world rexceeds the number of newspapers printed daily.
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WCBN host the first National Association of College Broadcasters.
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1) CBN moves into the new Student Activities Building, and its studios start to become centralized.
2) Allan Ginsberg's controversial poem "Howl" is broadcast for the first time. -
FCC approves FM stereo broadcasting, which spurs FM development.
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United States radio stations begin broadcasting is stereophonic sound.
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WCBN studios are completely centralized in the SAB. CBN's identity becomes stronger as its programming becomes increasingly eclectic and challenging.
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1) WCBN starts to think about purchasing an FM transmitter.
2) Fm is deemed necessary to reach off-campus students and the community at large. CBN's audience is a different audience for WUON's so there would be no competition.
3) February; WCBN's Program Director announces that programming will be designed to meed the needs of the audience, not the needs of the air staff. -
The Inter-Cooperative Council (ICC) has a CBN carrier current loop installed into its North Campus residence.
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1) FM plans are finalized for WCBN.
2) February; The UM Regents approves for WBCN-FM, and building begins. -
1) January 24; WBCN-FM 89.5 is born, broadcasting at 10 watts.
2) WBCN-AM is maintained, and adopts a "60's Gold' format. -
1) Frequency change for WBCN take place (89.5FM to 88.3FM).
2) November; The Sex Pistols 'Never Mind the Bolocks' is released. 'Things Change' -- Ken Freedman. -
U-M President Robben Fleming urges that WCBN should only be used for educational purposes and restricted for students only.
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First WBCN fundraiser is organized by Ann Rebentisch, and raises $5,000.
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CBN plays "It's My Party" by Leslie Gore for 18 hours straight the day after Reagan is elected.
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FCC complaint against CBN filed by disgruntled staffers. The FCC takes it very seriously but does not level a fine.
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In Europe, FM radio stations begin to use the subcarrier signal of FM radio to transmit digital data. This RDS (radio data system) is used to transmit messages on display screens to radios.
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At WJJX (WCBN's AM counterpart), a student DJ is fired for broadcasting as series of racist jokes.
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1) The U-M decides to oust non-students for WCBN.
2) WCBN airs Allan Ginsberg's Howl. -
In Pairs an experimental digital FM transmitter begins operation.
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In the US, FM radio stations begin to use the RDS already in place in Europe.