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KRFX (103.5 FM) is a
commercial Commercial may refer to: * a dose of advertising conveyed through media (such as - for example - radio or television) ** Radio advertisement ** Television advertisement * (adjective for:) commerce, a system of voluntary exchange of products and s ...
radio station Radio broadcasting is transmission 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 ...
in
Denver, Colorado Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
, serving the Denver metropolitan area. It is owned by iHeartMedia, and airs a
classic rock Classic rock is a US radio format which developed from the album-oriented rock (AOR) format in the early 1980s. In the United States, the classic rock format comprises rock music ranging generally from the mid-1960s through the mid 1990s, primar ...
radio format A radio format or programming format (not to be confused with broadcast programming) 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 broadcasting, ...
. The KRFX studios and offices are located on South Monaco Street in the
Denver Tech Center Denver Technological Center, better known as The Denver Tech Center or DTC, is a business and economic trading center located in Colorado in the southeastern portion of the Denver Metropolitan Area, within portions of the cities of Denver, Colorado, ...
. The station
transmitter In electronics and telecommunications, a radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna (radio), antenna. The transmitter itself generates a radio frequency alternating current, which i ...
is atop
Lookout Mountain Lookout Mountain is a mountain ridge located at the northwest corner of the U.S. state of Georgia, the northeast corner of Alabama, and along the southeastern Tennessee state line in Chattanooga. Lookout Mountain was the scene of the 18th-cen ...
, near
Golden Golden means made of, or relating to gold. Golden may also refer to: Places United Kingdom *Golden, in the parish of Probus, Cornwall * Golden Cap, Dorset *Golden Square, Soho, London *Golden Valley, a valley on the River Frome in Gloucestershi ...
, more than 7,000 feet (2256 m) above sea level and 1,135 feet (346 m) in
height above average terrain Height above average terrain (HAAT), or (less popularly) effective height above average terrain (EHAAT), is the vertical position of an antenna site is above the surrounding landscape. HAAT is used extensively in FM radio and television, as it i ...
. Its
effective radiated power Effective radiated power (ERP), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter. It is the total power in watts that would h ...
is 100,000
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. It is used to quantify the rate of energy transfer. The watt is named after James Wa ...
s. KRFX broadcasts in the
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 ...
format, with its HD2 subchannel
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, simultane ...
ing the programming of co-owned
talk Talk may refer to: Communication * Communication, the encoding and decoding of exchanged messages between people * Conversation, interactive communication between two or more people * Lecture, an oral presentation intended to inform or instruct ...
station
KHOW KHOW (630 AM) is a commercial radio station licensed to Denver, Colorado, and serving the Denver metropolitan area. The station is owned by iHeartMedia, Inc. KHOW is one of three iHeart-owned stations in Denver with a news/talk radio format. C ...
. KRFX can also be heard online via iHeartRadio.


History


KOA-FM (1961-19??)

On June 1, 1961, the station first
signed on Signing may refer to: * Using sign language * Signature A signature (; from la, signare, "to sign") is a handwritten (and often stylized) depiction of someone's name, nickname, or even a simple "X" or other mark that a person writes on do ...
as KOA-FM, the FM counterpart to KOA. Both stations were owned by the Metropolitan Television Company. The two stations
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, simultane ...
a
full service Full service or Full Service may refer to: * Full-service radio, a wide range of programming * Full Service Network, a communications company Entertainment * "Full Service", a song by the New Kids on the Block from their album ''The Block'' * F ...
middle of the road (MOR) format, with
CBS Radio News CBS News Radio, formerly known as CBS Radio News and historically known as the CBS Radio Network, is a radio network that provides news to more than 1,000 radio stations throughout the United States. The network is owned by Paramount Global. It ...
at the beginning of most hours. KOA-AM-FM shared broadcast facilities at 1044 Lincoln Street, three blocks south of the state capitol, with their co-owned television station, KOA-TV (now
KCNC KCNC-TV (channel 4) is a television station in Denver, Colorado, United States, airing programming from the CBS network. It is owned and operated by the network's CBS News and Stations division, and maintains studios on Lincoln Street (betwee ...
).


Beautiful music (19??-1974)

After several years, the simulcast ended, and KOA-FM began airing a
beautiful music Beautiful music (sometimes abbreviated as BM, B/EZ or BM/EZ for "beautiful music/easy listening") is a mostly instrumental music format that was prominent in North American radio from the late 1950s through the 1980s. Easy listening, elevator mu ...
format. In July 1968, KOA-AM-FM-TV were purchased by
General Electric General Electric Company (GE) is an American multinational conglomerate founded in 1892, and incorporated in New York state and headquartered in Boston. The company operated in sectors including healthcare, aviation, power, renewable energ ...
Broadcasting.


Top 40 (1974-1986)

In 1974, KOA-FM flipped to
Top 40 In the music industry, the Top 40 is the current, 40 most-popular songs in a particular genre. It is the best-selling or most frequently broadcast popular music. Record charts have traditionally consisted of a total of 40 songs. "Top 40" or " con ...
as "Q103" KOAQ. As listening to hit music switched from AM to FM, Q103 became one of Denver's top-rated stations during the 1980s. Jack Regan was the station's long-time program director and morning DJ. Alan Sledge was music director, and mid-day DJ. He later added assistant PD duties. Vic Martin held down afternoons until 1984, followed by Bill Hessin, who a few years earlier had worked nights on
KIMN KIMN (100.3 FM) is a commercial radio station in Denver, Colorado. The station is owned by Stan Kroenke's KSE Radio Ventures and airs a Hot AC radio format. Studios and offices are located on Colorado Boulevard in Glendale, and the transmitter ...
as "Long John Ball." Other Q103 personalities included Nick Sommers, Tom Chase (Tom Villagrana), Don MacLeod and Scott Morrison. In September 1983, General Electric sold KOA and KOAQ to the A. H. Belo Corporation of
Dallas Dallas () is the List of municipalities in Texas, third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the List of metropolitan statistical areas, fourth-largest metropolitan area in the United States at 7.5 ...
for $22 million. Lee Larson was selected as the new general manager, coming to Denver from
KLOS Klos or KLOS may refer to: * Klos (surname) * Klos, Dibër, a town in eastern Albania ** Harketari Klos KF, a defunct football club based in Klos, Dibër * Klos, Elbasan, a village in central Albania * Klos, Mallakastër, a village in south-central ...
in
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' ...
. In June 1984, KOA and KOAQ moved to new offices and studios located at 1380 Lawrence Street, leaving their TV sister station at the Lincoln Street facility.


Adult contemporary (1986-1987)

With KOAQ competing with two rival Top 40 stations in 1986, the station segued to an
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 present day, with varying degrees of easy listening, pop, soul, R&B, quiet ...
format. In 1987,
Jacor Jacor Communications was a media corporation, existing between 1987 and 1999, which owned many radio stations in the United States. In 1998, Jacor was purchased by Clear Channel Communications, now iHeartMedia, for $2.8 billion. Jacor Communica ...
Communications purchased KOA and KOAQ for $24 million. Bob Visotcky was appointed general manager of KOAQ, while Lee Larson continued at the helm of KOA.


Classic rock (1989-present)

After nearly 14 years playing some kind of pop music format, on January 18, 1989, KOAQ flipped to
classic rock Classic rock is a US radio format which developed from the album-oriented rock (AOR) format in the early 1980s. In the United States, the classic rock format comprises rock music ranging generally from the mid-1960s through the mid 1990s, primar ...
, taking the new
call sign In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assigne ...
KRFX, and rebranded as "103.5 The Fox," one of several stations in the U.S. using the brand "The Fox". In late 1995, when
sister station In broadcasting, sister stations or sister channels are radio or television stations operated by the same company, either by direct ownership or through a management agreement. Radio sister stations will often have different formats, and somet ...
KBPI KBPI (107.9 FM, "KBPI") is a commercial radio station licensed to Fort Collins, Colorado. It is owned by iHeartMedia and it broadcasts an Active rock radio format. KBPI's studios are located in Denver in the Tech Center. In December 2017, iHe ...
began playing mostly new active rock, KRFX added some more recent rock titles. At the same time, air personality Steve Cooper of KBPI replaced Tom Little at night. In May 1999, Clear Channel Communications acquired KOA and KRFX when Jacor stations were absorbed by the company.Broadcasting & Cable Yearbook 2010 page D-115
/ref> In 2014, Clear Channel switched its name to iHeartMedia.


References


External links

* * {{IHeartMedia 1961 establishments in Colorado Classic rock radio stations in the United States IHeartMedia radio stations Radio stations established in 1961 RFX