KZJK-FM
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KZJK-FM
KZJK (104.1 FM) is a commercial radio station licensed to St. Louis Park, Minnesota, and serving the Minneapolis-St. Paul radio market. The station is owned by Audacy, Inc., and airs an adult hits radio format known as "104.1 Jack FM." Audacy also owns Jack FM stations in Los Angeles and Dallas. KZJK's studios and offices are on Second Avenue South in Minneapolis. KZJK has an effective radiated power (ERP) of 100,000 watts. The station's transmitter is on the KMSP Tower in Shoreview, with an auxiliary transmission facility located atop the IDS Center in Downtown Minneapolis. KZJK broadcasts using HD Radio technology. Its HD2 digital subchannel carries an adult contemporary format known as "Lite FM." History Early years as KRSI-FM The station first signed on as KRSI-FM on . It was co-owned with KRSI (950 AM) by Radio Suburbia. The two stations simulcast most of their programming, and were affiliates of the ABC Radio Network. KRSI was a daytimer at that time, so KRSI ...
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Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world's most populous megacities. Los Angeles is the commercial, financial, and cultural center of Southern California. With a population of roughly 3.9 million residents within the city limits , Los Angeles is known for its Mediterranean climate, ethnic and cultural diversity, being the home of the Hollywood film industry, and its sprawling metropolitan area. The city of Los Angeles lies in a basin in Southern California adjacent to the Pacific Ocean in the west and extending through the Santa Monica Mountains and north into the San Fernando Valley, with the city bordering the San Gabriel Valley to it's east. It covers about , and is the county seat of Los Angeles County, which is the most populous county in the United States with an estim ...
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Simulcast
Simulcast (a portmanteau of simultaneous broadcast) is the broadcasting of programmes/programs or events across more than one resolution, bitrate or medium, or more than one service on the same medium, at exactly the same time (that is, simultaneously). For example, Absolute Radio is simulcast on both AM and on satellite radio. Likewise, the BBC's Prom concerts were formerly simulcast on both BBC Radio 3 and BBC Television. Another application is the transmission of the original-language soundtrack of movies or TV series over local or Internet radio, with the television broadcast having been dubbed into a local language. Early radio simulcasts Before launching stereo radio, experiments were conducted by transmitting left and right channels on different radio channels. The earliest record found was a broadcast by the BBC in 1926 of a Halle Orchestra concert from Manchester, using the wavelengths of the regional stations and Daventry. In its earliest days the BBC often transmit ...
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Sign-on
A sign-on (or start-up in Commonwealth countries except Canada) is the beginning of operations for a radio or television station, generally at the start of each day. It is the opposite of a sign-off (or closedown in Commonwealth countries except Canada), which is the sequence of operations involved when a radio or television station shuts down its transmitters and goes off the air for a predetermined period; generally, this occurs during the overnight hours although a broadcaster's digital specialty or sub-channels may sign-on and sign-off at significantly different times as its main channels. Like other television programming, sign-on and sign-off sequences can be initiated by a broadcast automation system, and automatic transmission systems can turn the carrier signal and transmitter on/off by remote control. Sign-on and sign-off sequences have become less common due to the increasing prevalence of 24-hour-a-day, seven-day-a-week broadcasting. However, some national broadc ...
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Adult Contemporary
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 present day, with varying degrees of easy listening, pop, soul, R&B, quiet storm and rock influence. Adult contemporary is generally a continuation of the easy listening and soft rock style that became popular in the 1960s and 1970s with some adjustments that reflect the evolution of pop/rock music. Adult contemporary tends to have lush, soothing and highly polished qualities where emphasis on melody and harmonies is accentuated. It is usually melodic enough to get a listener's attention, and is inoffensive and pleasurable enough to work well as background music. Like most of pop music, its songs tend to be written in a basic format employing a verse–chorus structure. The format is heavy on romantic sentimental ballads which mostly use acoustic instruments (though bass guitar is usually used) such as ...
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Digital Subchannel
In broadcasting, digital subchannels are a method of transmitting more than one independent program stream simultaneously from the same digital radio or television station on the same radio frequency channel. This is done by using data compression techniques to reduce the size of each individual program stream, and multiplexing to combine them into a single signal. The practice is sometimes called "multicasting". ATSC television United States The ATSC digital television standard used in the United States supports multiple program streams over-the-air, allowing television stations to transmit one or more subchannels over a single digital signal. A virtual channel numbering scheme distinguishes broadcast subchannels by appending the television channel number with a period digit (".xx"). Simultaneously, the suffix indicates that a television station offers additional programming streams. By convention, the suffix position ".1" is normally used to refer to the station's main digi ...
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HD Radio
HD Radio (HDR) is a trademark for an in-band on-channel (IBOC) digital radio broadcast technology. It 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, Canada, and Mexico, with a few implementations outside North America. The term "on channel" is a misnomer because the system actually broadcasts on the ordinarily unused channels adjacent to an existing radio station's allocation. This leaves the original analog signal intact, allowing enabled receivers to switch between digital and analog as required. In most FM implementations, from 96 to 128 kbps of capacity is available. High-fidelity audio requires only 48 kbps so there is ample capacity for additional channels, which HD Radio refers to as "multicasting". HD Radio is licensed so that the simulcast of the main channel is royalty-free. The company makes its money ...
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Downtown Minneapolis
The Central Minneapolis community is located in the central part of the city, consisting of 6 smaller official neighborhoods, and includes Downtown Minneapolis and the central business district. It also includes the many old flour mills, the Mill District, and other historical and industrial areas of Downtown Minneapolis. It also includes some high-density residential areas surrounding it, excluding areas east of the Mississippi River. Businesses based in the Central area include the corporate headquarters of Target, US Bank, and the broadcast facilities of Minnesota CBS station WCCO-TV. Official neighborhoods in the Central community * Downtown East * Downtown West ''where most of the high-rise office buildings are located'' * Elliot Park *Loring Park * North Loop ''commonly referred to as the Warehouse District'' * Stevens Square/Loring Heights Gallery File:A view of downtown Minneapolis from the Stone Arch Bridge.jpg, View of downtown Minneapolis from the Stone Arch B ...
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IDS Center
The IDS Center is an office skyscraper located at 80 South 8th Street in Minneapolis, Minnesota. Completed in 1972, it is the tallest building in Minneapolis, and the tallest building in the state at a height of . It originally stood , though a garage for window washing equipment was added between 1978 and 1979. The structure rises to when including communications spires on the roof, indisputably the highest points in the city. The IDS was constructed as the headquarters of Investors Diversified Services, Inc.—now Ameriprise Financial. It also housed the headquarters of Dayton Hudson Corporation (now Target Corporation) from 1972 until 2001. The complex consists of five parts: the 57-story IDS Tower itself at 8th Street & Nicollet Mall, an 8-story annex building along Marquette Avenue, the 19-story Marquette Hotel at 7th Street & Marquette Avenue, and a 2-story retail building that was originally dominated by Woolworth's. These four buildings are joined by the 7-story Cr ...
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Shoreview, Minnesota
Shoreview is a city in Ramsey County, Minnesota. The population was 25,043 at the time of the 2010 census. In 2008, Shoreview ranked fourth in a ''Family Circle'' list of best family towns. Geography According to the United States Census Bureau, the city has a total area of , of which is land and is water. A second-ring suburb north of Saint Paul, Shoreview has nine city parks and three county parks. It has seven lakes, of which the largest are Turtle Lake, Snail Lake, Lake Owasso, and Island Lake, and Rice Creek flows through the northwest portion of the city. Interstate 35W, Interstate 694, and County Highway 96 are three of its main routes. Demographics According to a 2009 estimate, the median income for a household in the city was $78,990, and the median income for a family was $97,725. While 21% of households had incomes of $50,000.00 or less annually, 28% list incomes of over $100,000.00 per year. The per capita income for the city was $39,761. 2.5% of the populat ...
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KMSP Tower
The KMSP Tower is a high aerial guyed mast used for the transmission of FM radio and over-the-air television in Shoreview, Minnesota. The structure was apparently the tallest in Minnesota until the construction of the KPXM Tower in 1997. The tower, which was built in 1971, is owned by KMSP ("Fox 9") parent Fox Television Stations but is shared by several area broadcasters; sister station WFTC ("Fox 9+") and the Twin Cities Public Television stations, KTCA and KTCI. Several FM stations are also on the tower: KQRS-FM 92.5 ("KQ92"), KXXR 93.7 ("93X"), KTCZ 97.1 ("Cities 97"), KTIS-FM 98.5, KSJN 99.5 (" MPR Classical"), KFXN 100.3 ("KFAN"), KDWB 101.3, KEEY 102.1 ("K102"), KMNB 102.9 ("102.9 The Wolf"), and KZJK 104.1 ("Jack FM"). In 2001, a painter working on the tower died from asphyxia upon falling 500 feet down the structure. FM Television See also * Telefarm Towers — another major broadcasting installation nearby *List of masts The tallest structure in the ...
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