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Edwin Howard Armstrong was an American electrical engineer and inventor, who developed FM radio and the superheterodyne receiver system. He held 42 patents and received numerous awards, including the first Medal of Honor awarded by the Institute of Radio Engineers, the French Legion of Honor, the 1941 Franklin Medal and the 1942 Edison Medal. He was inducted into the National Inventors Hall of Fame and included in the International Telecommunication Union's roster of great inventors. Armstrong attended Columbia University, and served as a professor there for most of his life.
AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave transmissions, but also on the longwave and shortwave radio bands.
Cap-Haïtien, typically spelled Cape Haitien in English and often locally referred to as Le Cap or Au Cap, is a commune of about 190,000 people on the north coast of Haiti and capital of the department of Nord. Previously named Cap‑Français and Cap‑Henri during the rule of Henri I, it was historically nicknamed the Paris of the Antilles, because of its wealth and sophistication, expressed through its architecture and artistic life. It was an important city during the colonial period, serving as the capital of the French Colony of Saint-Domingue from the city's formal foundation in 1711 until 1770 when the capital was moved to Port-au-Prince. After the Haitian Revolution, it became the capital of the Kingdom of Haiti under King Henri I until 1820.
Gonaïves is a commune in northern Haiti, and the capital of the Artibonite department of Haiti. It has a population of about 300,000 people, but current statistics are unclear, as there has been no census since 2003.
Campus radio is a type of radio station that is run by the students of a college, university or other educational institution. Programming may be exclusively created or produced by students, or may include program contributions from the local community in which the radio station is based. Sometimes campus radio stations are operated for the purpose of training professional radio personnel, sometimes with the aim of broadcasting educational programming, while other radio stations exist to provide alternative to commercial broadcasting or government broadcasters.
Südwestrundfunk is a regional public broadcasting corporation serving the southwest of Germany, specifically the federal states of Baden-Württemberg and Rhineland-Palatinate. The corporation has main offices in three cities: Stuttgart, Baden-Baden and Mainz, with the director's office being in Stuttgart. It is a part of the ARD consortium. It broadcasts on two television channels and six radio channels, with its main television and radio office in Baden-Baden and regional offices in Stuttgart and Mainz. It is the second largest broadcasting organization in Germany. SWR, with a coverage of 55,600 km2, and an audience reach estimated to be 14.7 million. SWR employs 3,700 people in its various offices and facilities.
Canal 13 is a Chilean free-to-air television channel. It was launched on 21 August 1959, on VHF channel 2 of Santiago, in a broadcast led and founded by a group of engineers from the Pontifical Catholic University of Chile. Subsequently, the TV station moved its frequency to VHF channel 13, which gave rise to its current name. In its beginnings, one of its most important milestones was the broadcast of the 1962 FIFA World Cup, held in Chile.
CHOQ-FM is a Canadian radio station which began broadcasting in 2006. A non-profit community radio station for Franco-Ontarians in Toronto, Ontario, the station broadcasts at 105.1 on the FM dial. CHOQ is also available as a digital television radio feed on Rogers Cable in the Greater Toronto Area on channel 957. CHOQ's studios are located on Lansdowne Avenue in the Dufferin Grove neighbourhood, while its transmitter is located atop First Canadian Place.
FM broadcasting is the method of radio broadcasting that uses frequency modulation (FM). Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio. FM broadcasting offers higher fidelity—more accurate reproduction of the original program sound—than other broadcasting techniques, such as AM broadcasting. It is also less susceptible to common forms of interference, having less static and popping sounds than are often heard on AM. Therefore, FM is used for most broadcasts of music and general audio. FM radio stations use the very high frequency range of radio frequencies.
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NPO 3FM is a Dutch rhythmic CHR radio station controlled by public broadcaster NPO. The vast majority of the songs played on-air are rock, alternative, indie and pop, though dance and Mega Top 30 tracks may also air at times.
WHGB is a commercial radio station in Harrisburg, Pennsylvania. The station is owned by Cumulus Media and broadcasts a sports radio format. Most programming is supplied by the CBS Sports Radio Network, in which parent company Cumulus has a financial interest.
WCMN-FM is a radio station broadcasting a contemporary hit radio format. Licensed to Arecibo, Puerto Rico, it serves the Puerto Rico area. The station is currently owned by Uno Radio Group.
The following radio stations broadcast on FM frequency 88.3 MHz:
The following radio stations broadcast on FM frequency 95.3 MHz:
The Sistema Michoacano de Radio y Televisión is the public broadcaster of the Mexican state of Michoacán. It includes statewide FM and TV networks, as well as an AM radio station in the state capital of Morelia. SMRTV's programming primarily consists of scientific, cultural and educational content, along with news and sports coverage.
WTOK-FM, branded on-air as HOT 102, is a radio station based in San Juan, Puerto Rico and owned by Uno Radio Group and its license held by Jesus Soto's WIAC-FM, Inc.
Antena 3 Radio was a nationwide Spanish radio station opened on 1 February 1982 and closed on 19 June 1994. It served as the basis for the creation of Antena 3 Televisión.
Fundación Cultural para la Sociedad Mexicana, A.C. is a Mexican civil association whose primary activity is the operation of radio stations.
References
- ↑ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio FM. Last modified 2018-05-16. Retrieved 2015-06-28. Technical information from the IFT Coverage Viewer.
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