Table of Contents
13 relations: Adult contemporary music, Alpha Media, AM broadcasting, AM stereo, C-QUAM, Federal Communications Commission, Fox News Radio, Grinnell, Iowa, Hertz, Radio broadcasting, Watt, Westwood One, 1957 in radio.
- 1957 establishments in Iowa
Adult contemporary music
Adult contemporary music (AC) is a form of radio-played popular music, ranging from 1960s vocal and 1970s soft rock music to predominantly ballad-heavy music of the 1980s to the present day, with varying degrees of easy listening, pop, soul, R&B, quiet storm and rock influence.
See KGRN and Adult contemporary music
Alpha Media
Alpha Media LLC is a radio broadcasting company based in Portland, Oregon, and led by Bob Proffitt. KGRN and Alpha Media are Alpha Media radio stations.
AM broadcasting
AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions.
AM stereo
AM stereo is a term given to a series of mutually incompatible techniques for radio broadcasting stereo audio in the AM band in a manner that is compatible with standard AM receivers.
C-QUAM
C-QUAM (Compatible QUadrature Amplitude Modulation) is the method of AM stereo broadcasting used in Canada, the United States and most other countries.
See KGRN and C-QUAM
Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States.
See KGRN and Federal Communications Commission
Fox News Radio
Fox News Radio is an American radio network owned by Fox News.
Grinnell, Iowa
Grinnell is a city in Poweshiek County, Iowa, United States.
Hertz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second.
See KGRN and Hertz
Radio broadcasting
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience.
See KGRN and Radio broadcasting
Watt
The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3.
See KGRN and Watt
Westwood One
Westwood One, Inc. is an American radio network owned by Cumulus Media.
1957 in radio
The year 1957 saw a number of significant events in radio broadcasting history.
See also
1957 establishments in Iowa
- KGRN
- Marquette High School (Iowa)
- Notre Dame High School (Burlington, Iowa)
- Sentral Community School District


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