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Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude of the wave is varied in proportion to that of the message signal, such as an audio signal. This technique contrasts with angle modulation, in which either the frequency of the carrier wave is varied, as in frequency modulation, or its phase, as in phase modulation.
Talk radio is a radio format containing discussion about topical issues and consisting entirely or almost entirely of original spoken word content rather than outside music. They may feature monologues, dialogues between the hosts, interviews with guests, and/or listener participation which may be live conversations between the host and listeners who "call in" or via voice mail. Listener contributions are usually screened by a show's producers to maximize audience interest and, in the case of commercial talk radio, to attract advertisers.
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.
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit. To receive the content the listener must have a broadcast radio receiver (radio). Stations are often affiliated with a radio network that provides content in a common radio format, either in broadcast syndication or simulcast, or both. Radio stations broadcast with several different types of modulation: AM radio stations transmit in AM, FM radio stations transmit in FM, which are older analog audio standards, while newer digital radio stations transmit in several digital audio standards: DAB, HD radio, DRM. Television broadcasting is a separate service that also uses radio frequencies to broadcast television (video) signals.
CBC Radio One is the English-language news and information radio network of the publicly owned Canadian Broadcasting Corporation. It is commercial-free and offers local and national programming. It is available on AM and FM to 98 percent of Canadians and overseas over the Internet, and through mobile apps. CBC Radio One is simulcast across Canada on Bell Satellite TV satellite channels 956 and 969, and Shaw Direct satellite channel 870.
HD Radio (HDR) is a trademark for an in-band on-channel (IBOC) digital radio broadcast technology. HD radio generally simulcasts an existing analog radio station in digital format with less noise and with additional text information. HD Radio is used primarily by AM and FM radio stations in the United States, U.S. Virgin Islands, Canada, Mexico and the Philippines, with a few implementations outside North America.
FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave. 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.
A radio format or programming format describes the overall content broadcast on a radio station. The radio format emerged mainly in the United States in the 1950s, at a time when radio was compelled to develop new and exclusive ways to programming by competition with television. The formula has since spread as a reference for commercial radio programming worldwide.
All-news radio is a radio format devoted entirely to the discussion and broadcast of news.
ABC News, also known as ABC News and Current Affairs and overseas as ABC Australia, is a public news service produced by the Australian Broadcasting Corporation. Broadcasting within Australia and the rest of the world, the service covers both local and world affairs.
WHNZ is a commercial radio station licensed to Tampa, Florida. The station's broadcast license is held by iHM Licenses, LLC, a subsidiary of iHeartMedia. The station airs a talk/business format. WHNZ is one of the eight stations in the Tampa Bay radio market owned by iHeartMedia. The station's studios are located on West Gandy Boulevard in South Tampa.
KHEY-FM is a commercial radio station in El Paso, Texas. It airs a country music radio format and is owned by iHeartMedia, Inc. The station carries the syndicated Bobby Bones Show on Monday through Saturday mornings, and After Midnight with Granger Smith overnight. The rest of the weekday schedule features local DJs. The studios and offices are on North Mesa Street in West Central El Paso.
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves. They are received by another antenna connected to a radio receiver. In addition to communication, radio is used for radar, radio navigation, remote control, remote sensing, and other applications.
WMRN is a commercial AM radio station broadcasting a news/talk format. It is licensed to Marion, Ohio, and is owned by iHeartMedia, Inc., through licensee iHM Licenses, LLC. It features programming from Fox News Radio and Premiere Networks.
BBC Radio 1Xtra is a British digital radio station owned and operated by the BBC. It broadcasts black music and urban music, including hip hop and R&B and is a sister station to Radio 1. Launching at 18:00 on 16 August 2002, it had been code named "Network X" during the consultation period. At the time, the station was listed as "1 Xtra BBC" on many electronic programming guides. The station broadcasts from the 8th floor of Broadcasting House, shared with Radio 1 and the Asian Network.
Smooth Radio is a network of local radio stations broadcasting on FM, AM and DAB in the United Kingdom. Smooth Radio features a soft adult contemporary radio format. Launched in March 2014, it replaced the national Smooth Radio that had launched in 2010 on FM and DAB, and most outlets of Gold on AM.