Clear channel

Clear Channel

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Clear channel

A clear-channel station, in the Bahamas, Canada

Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, Mexico

Mexico

United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
, is an AM radio station which is given extraordinary protection from interference to its nighttime signal.

ain mediumwave

Mediumwave

Medium Wave is a part of the Medium frequency radio band used mainly for AM broadcasting. Some experiments and trials are planned or under way for a digital modulation such as Digital Radio Mondiale ....
frequencies were set aside under the North American Radio Broadcasting Agreement

North American Radio Broadcasting Agreement

The North American Radio Broadcasting Agreement, usually referred to as NARBA, is a treaty made in 1941 between the United States, Canada, Mexico, Cuba, the Dominican Republic and Haiti relating to the allocation of medium wave frequencies for AM radio stations in these countries....
(NARBA for short) for nighttime use by only one or two specific AM stations, covering a wide area via skywave

Skywave

Skywave is the Radio propagation of radio waves bent back to the Earth's surface by the ionosphere. As a result of skywave propagation, a Broadcasting signal from a distant AM broadcasting station at night, or from a shortwave radio station can sometimes be heard as clearly as local stations....
propagation

Radio propagation

Radio propagation is a term used to explain how radio waves behave when they are transmitted, or are wave propagation from one point on the Earth to another....
; these frequencies were known as the clear channels, and the stations on them are thus clear-channel stations.

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Encyclopedia

A clear-channel station, in the Bahamas, Canada

Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, Mexico

Mexico

United States

Description

Certain mediumwave

Mediumwave

North American Radio Broadcasting Agreement

Skywave

Radio propagation

Nominal power

Nominal power is a measurement of a mediumwave radio station's output used in the United States. AM Broadcastingers are licensed by the Federal Communications Commission to operate at a specific Real versus nominal value power , which may be different from the transmitter power output....
of 50 kilowatts or more; stations on the other clear channels, with two or more stations, must use between 10 and 50 kW, and most often use a directional antenna

Directional antenna

A directional antenna or beam antenna is an antenna which radiates greater power in one or more directions allowing for increased performance on transmit and receive and reduced interference from unwanted sources....
so as not to interfere with each other. In addition to the frequencies, the treaty also specified the specific locations where stations on this second kind of channel (known as class I-B) could be built.

Some of the original NARBA signatories, including the United States

United States

Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, and Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federalism constitutionalism republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of Mexico....
, have implemented bilateral agreements that supersede its terms, eliminating among other things the distinction between the two kinds of clear channel: the original "I-A", "I-B", and "I-N" station classes are now all included in class A.

Clear-channel stations, unlike all other AM stations in North America, have a secondary service area—that is, they are entitled to protection from interference to their nighttime skywave signals. Other stations are entitled, at most, to protection from nighttime interference in their primary service area—that which is covered by their groundwave signal.

Many stations beyond those listed in the treaty have been assigned to operate on a clear channel (and some had been long before NARBA came into effect in 1941). In most cases, those stations operate during the daytime only, so as not to interfere with the primary stations on those channels. Since the early 1980s, many such stations have been permitted to operate at night with such low power as to be deemed not to interfere; these stations are still considered "daytimers" and are not entitled to any protection from interference to their nighttime signals. Another group of stations, formerly known as class II stations, were licensed to operate on the former "I-B" clear channels with significant power at night, provided that they use directional antenna systems to minimize radiation towards the primary stations.

Clear Channel Communications

Clear Channel Communications

Clear Channel Communications is a Mass media list of conglomerates company based in the United States. Clear Channel, founded in 1972 by Lowry Mays and Red McCombs, wields considerable influence in radio broadcasting, concert promotion and hosting, and fixed advertising in the United States through its subsidiaries....
, a San Antonio, Texas

San Antonio, Texas

San Antonio is the second-largest city in the state of Texas and the List of United States cities by population. Located in , the city is a cultural and geographical gateway into the ....
-based company which owns over 900 U.S.

United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
radio stations, was originally formed to purchase one clear-channel station, WOAI

WOAI (AM)

WOAI is a San Antonio, Texas, news radio/talk radio formatted radio station operating with 50,000 Watts non-directional day and night from a transmitter site near Marion, Texas....
. The company now owns more than a dozen such stations.

History

For the U.S., clear channels first appeared in 1922 when the Commerce Department

United States Department of Commerce

The United States Department of Commerce is the United States Cabinet department of the United States Federal government of the United States concerned with promoting economic growth....
moved stations which had all used three (initially two) frequencies (two for entertainment stations, one for "weather and crop reports") onto 52 frequencies. Two were used for all low-power stations and the large stations each got their own frequency. A few frequencies were used on both the East and West coasts, which were considered far enough apart to limit interference. At this time large stations were limited to 1000 watts and some licences were revoked. Later in 1928, the AM band was reorganized with local, regional and clear channels (and a few reserved for Canada) by the new Federal Radio Commission

Federal Radio Commission

The Federal Radio Commission was a government body that regulated radio use in the United States from its creation in 1926 until its replacement by the Federal Communications Commission in 1934....
's General Order 40

General Order 40

General Order 40 was an order issued on August 30, 1928 by the new Federal Radio Commission under the Radio Act of 1927 which provided for a reallocation of the commercial broadcast radio spectrum....
. Gradually maximum power was increased to 50,000 watts (with some short lived experiments with 250–500 kilowatt "super-power" operation). This system was continued in the 1941 NARBA system although almost all stations shifted broadcast frequencies.

As early as the 1950s, debate raged in Washington, D.C.

Washington, D.C.

Washington, D.C. , formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the Capital of the United States, founded on July 16, 1790....
, and in the U.S. broadcasting industry over whether continuation of the clear-channel system was justifiable. The licensees of clear-channel stations argued that, without their special status, many rural areas would receive no radio service at all. They requested that the power limit on the "I-A" channels in the U.S. be increased from 50 kW to 750 kW, pointing to WLW

WLW

WLW is a clear channel talk radio station located in Cincinnati, Ohio, run by Clear Channel Communications. The station broadcasts locally on 700 kHz AM broadcasting....
's successful experiments before the war, and in later years successful implementation by state broadcasters in Europe and the Middle East, as evidence that this would work and improve the service received by most Americans. Other broadcasters, particularly in the western states, argued to the contrary—that if the special status of the clear-channel stations were eliminated, they would be able to build new stations to provide local service to those rural "dark areas".

One station, KOB in Albuquerque, New Mexico

Albuquerque, New Mexico

Albuquerque is the largest List of cities in the United States in the US state of New Mexico, United States. It is the county seat of Bernalillo County, New Mexico and is situated in the central part of the state, straddling the Rio Grande....
, fought a long legal battle against the FCC and New York

New York City

The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
's WABC for the right to move from a regional channel to a clear channel, 770 kHz, arguing that the New York signal was so weak in the mountain west that it served no one. KOB eventually won the argument in the late 1960s; it and several other western stations were allowed to move to eastern clear channels. (Western clear channels, like 680 in San Francisco, California

San Francisco, California

The City and County of San Francisco is the fourth most populous city in California and the List of United States cities by population in the United States, with a 2007 estimated population of 799,183....
, had been "duplicated" in the eastern states for many years.) These new class II-A assignments (in places like Window Rock, Arizona

KTNN

KTNN is a Navajo people AM radio station broadcasting from Window Rock, Arizona, the seat of the government of the Navajo Nation. It broadcasts Country Music in English, but most of its announcers broadcast in Navajo language over the air....
; Boise, Idaho

KBOI

KBOI is a commercial radio station located in Boise, Idaho, broadcasting on 670 AM Broadcasting and is under ownership of Citadel Broadcasting. KBOI airs All-news radio/Talk radio programming....
; Las Vegas

KDWN

KDWN is a radio station owned by Beasley Broadcast Group based out of Las Vegas, Nevada. It broadcasts full-time at 50,000 watts, and is directional at night....
and Reno, Nevada

KKOH

KKOH is a commercial radio station located in Reno, Nevada. KKOH airs All-news radio/talk radio programming. It is currently under ownership of Citadel Broadcasting....
; Lexington, Nebraska; Casper, Wyoming

KTWO (AM)

KTWO is an United States radio station licensed to Casper, Wyoming operating on 1030 kHz. KTWO broadcasts a 50,000 watt signal from two towers located east of Casper near Hat Six Road....
; Kalispell, Montana

Kofi

Kofi is a Twi and Akan name day name and a given name for a boy born on a Friday, originating in Ghana. It may refer to:* Kofi Abrefa Busia, a Prime Minister of Ghana...
; and others) began what would later be called "the breakdown of the clear channels". The class I-A station owners' proposal to increase power fifteen-fold was not immediately quashed, but the new II-A stations would make it effectively impossible for stations on the duplicated channels to do so, and the owners eventually lost interest. That proposal was finally taken off the FCC's docket in the late 1970s.

On May 29, 1980, the FCC voted to limit the protection for the twenty-five clear channel stations to a 750 mile radius around the transmitter. Those stations outside the area of protection were no longer required to sign off or power down after sundown.

In 1987 the FCC changed its rules to prohibit applications for new "class-D" stations. (Class-D stations have night power between zero and 250 watts, and frequently operate on clear channels.) However, any existing station could voluntarily relinquish nighttime authority, thereby becoming a class-D, and several have done so since the rule change.

Daytimers

Daytimers are AM radio stations that are limited to broadcasting during the daytime only, as their signals would interfere with clear channel and other radio stations at night, when solar radiation is reduced, and radio signals can radiate much farther. Such stations are usually supposed to do one of three things: sign off, reduce power (sometimes dramatically, to only a few watts), or switch to another (typically near-by) frequency. Their broadcast class is Class D.

List of all clear-channel stations

The following two tables show all of the class-A stations in North America. Stations in Alaska (the former class I-Ns) are shown separately.

Frequency (kHz)	Callsign	City of license City of license A city of license or community of license, in United States and Canada broadcasting, is the community that a radio station or television station is officially licensed to serve by that country's broadcast regulator....
540	CBK CBK (AM) CBK is a Canada radio station, broadcasting the CBC Radio One network at 540 AM radio in Saskatchewan. The AM transmitter is located in Watrous, Saskatchewan, the city of licence, but the studios are in Regina, Saskatchewan....	Watrous, Saskatchewan Watrous, Saskatchewan }\|-\| Pronunciation\| \|-\| Area Code \|\| 306\|}Watrous is a small town in Saskatchewan, Canada, approximately 100 km east of Saskatoon, Saskatchewan....
540	CBT CBT (AM) CBT is a radio station broadcasting at 540 kHz from Grand Falls-Windsor, Newfoundland and Labrador, Canada, and is the local CBC Radio One station of the Canadian Broadcasting Corporation....	Grand Falls, Newfoundland and Labrador
540	XEWA XEWA-AM XEWA-AM is a Mexican radio station that serves the Monterrey and San Luis Potos? areas....	San Luis Potosí, San Luis Potosí San Luis Potosí, San Luis Potosí San Luis Potos?, also called SLP or simply San Luis, is the capital of and most populous city in the Mexico Mexican state of San Luis Potos?....
640	CBN CBN (AM) CBN is a radio station broadcasting at 640 kHz from St. John's, Newfoundland and Labrador, Canada, and is the local CBC Radio One station of the Canadian Broadcasting Corporation....	St. John's, Newfoundland and Labrador St. John's, Newfoundland and Labrador St. John's is the Provinces of Canada capital of Newfoundland and Labrador, Canada and located on the eastern tip of the Avalon Peninsula on the Newfoundland ....
640	KFI	Los Angeles Los Angeles, California Los Angeles is the largest city in the U.S. state of California and the List of United States cities by population in the United States. Often abbreviated as L.A. and nicknamed The City of Angels, Los Angeles is rated as a beta global city, has an estimated population of 3.8 million and spans over in Southern California.... , California California California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
650	WSM WSM (AM) WSM is the callsign of a 50,000 watt AM radio station located in Nashville, Tennessee. Operating at 650 kHz, its clear channel signal can reach much of North America and various countries, especially late at night....	Nashville, Tennessee Nashville, Tennessee Nashville is the Capital of the U.S. state of Tennessee and the county seat of Davidson County, Tennessee. It is the second most populous city in the state after Memphis, Tennessee....
660	WFAN	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
670	WSCR WSCR WSCR is a sports radio radio station in the Chicago, Illinois radio market. The station is owned by CBS Radio and transmits on 670 kilohertz on the AM broadcasting....	Chicago, Illinois Chicago Chicago is the largest city in the U.S. state of Illinois and the Midwestern United States, as well as the List of United States cities by population city in the United States with more than 2.8 million residents....
680	KNBR KNBR KNBR, *The Sports Leader*, is the on-air branding used by two AM broadcasting radio stations in the San Francisco, California, area broadcasting a sports radio format, owned by Cumulus Media....	San Francisco, California
690	CINF	Montreal, Quebec Montreal Montreal, or Montr?al, is the largest city in the Provinces and territories of Canada of Quebec and the List of largest cities and second largest cities by country List of the 100 largest municipalities in Canada by population....
690	XEWW XEWW-AM XEWW-AM are the call letters of a Border blaster radio station licensed to the Tijuana / Playas de Rosarito area of Baja California, Mexico, with additional studio facilities in Burbank, California, United States....	Tijuana, Baja California Tijuana Tijuana , is the largest city of the Mexican state of Baja California, situated on the United States?Mexico border adjacent to its sister city of San Diego, California....
700	WLW WLW WLW is a clear channel talk radio station located in Cincinnati, Ohio, run by Clear Channel Communications. The station broadcasts locally on 700 kHz AM broadcasting....	Cincinnati, Ohio Cincinnati, Ohio Cincinnati is a city in the U.S. state of Ohio and the county seat of Hamilton County, Ohio. The municipality is located in southwestern Ohio and is situated on the Ohio River at the Ohio-Kentucky border....
710	KIRO KIRO (AM) KIRO is a radio station based in Seattle, Washington on the shores of Lake Union with 2 towers on Vashon Island, broadcasting on 710 kilohertz in the mediumwave spectrum....	Seattle, Washington
710	WOR WOR (AM) WOR is a class A , AM radio radio station located in New York, New York, United States, operating on 710 kHz. The station has a talk radio format and has been owned by Buckley Broadcasting since 1987, after the station was sold by RKO General....	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
720	WGN WGN (AM) WGN is a radio station in Chicago, Illinois, United States. It is owned by the Tribune Company, which also owns the Flagship WGN-TV, the Chicago Tribune newspaper and Chicago magazine locally....	Chicago, Illinois Chicago Chicago is the largest city in the U.S. state of Illinois and the Midwestern United States, as well as the List of United States cities by population city in the United States with more than 2.8 million residents....
730	CKAC	Montreal, Quebec Montreal Montreal, or Montr?al, is the largest city in the Provinces and territories of Canada of Quebec and the List of largest cities and second largest cities by country List of the 100 largest municipalities in Canada by population....
730	XEX XEX-AM Estadio W , 730 AM, is a 100 kW all-sports radio station based in Mexico City, Mexico. The sports format started in 1999 as "Super Deportiva" on 1180 AM; later, it moved to 830 AM and 590 AM ....	Mexico City, D.F. Mexico City Mexico City is the capital city of Mexico. It is the most important economic, industrial, and cultural center in the country; the most populous city with over 8,836,045 inhabitants in 2008....
740	CFZM	Toronto, Ontario Toronto Toronto is the List of the 100 largest municipalities in Canada by population in Canada and the Provinces and territories of Canada Provincial and territorial capitals of Canada of Ontario....
750	WSB WSB (AM) WSB is an AM broadcasting licensed to the city of Atlanta, Georgia transmitting on a frequency of 750 Kilohertz with 50,000 Watts of power....	Atlanta, Georgia
760	WJR	Detroit, Michigan
770	WABC	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
780	WBBM WBBM (AM) WBBM, also known on-air as "Newsradio 780," is an All-news radio CBS radio station in Chicago, Illinois broadcasting on the Amplitude modulation dial at 780 kHz....	Chicago, Illinois Chicago Chicago is the largest city in the U.S. state of Illinois and the Midwestern United States, as well as the List of United States cities by population city in the United States with more than 2.8 million residents....
800	XEROK	Ciudad Juárez, Chihuahua
810	KGO KGO (AM) KGO is a News radio/Talk radio radio station with offices and studios in San Francisco, California. Unlike most other American news/talk stations, KGO originates nearly all of its own programming locally....	San Francisco, California
810	WGY WGY WGY is a 50,000 watt radio station licensed to Schenectady, New York, New York. It is one of the United States's oldest radio stations as well as the oldest in New York's Capital Region....	Schenectady, New York Schenectady, New York Schenectady is a city in Schenectady County, New York, New York, United States, of which it is the county seat. As of the United States Census 2000, the city had a population of 61,821, making it the ninth-largest city in New York....
820	WBAP WBAP WBAP is a All-news radio and talk show-Amplitude modulation radio station in the Dallas Fort Worth Metroplex. WBAP broadcasts on 820 kHz with 50,000 watts and its omnidirectional nighttime signal can be heard throughout Texas with C-QUAM AM Stereo at night ....	Fort Worth, Texas Fort Worth, Texas Fort Worth is the List of United States cities by population in the United States and the fifth-largest city within the state of Texas. Situated in and a cultural gateway into the Western United States, the city covers nearly in Tarrant County, Texas and Denton County, Texas counties, serving as the county seat for Tarrant County....
830	WCCO	Minneapolis, Minnesota Minneapolis, Minnesota Minneapolis is the largest city in the U.S. state of Minnesota and is the county seat of Hennepin County, Minnesota. The city lies on both banks of the Mississippi River, just north of the river's confluence with the Minnesota River, and adjoins Saint Paul, Minnesota, the state's Capital ....
840	WHAS WHAS (AM) WHAS, known by the on air branding as "84 WHAS", is an AM radio station broadcasting in Louisville, Kentucky. It is a 50,000 Watt clear channel radio station assigned to frequency 840 kHz....	Louisville, Kentucky Louisville, Kentucky Louisville is Kentucky's largest city and county seat of Jefferson County, Kentucky. The city's estimated population as of 2006 is listed as 557,789, with a population of 1,233,733 in the Louisville-Jefferson County, KY-IN Metropolitan Statistical Area....
850	KOA KOA (AM) KOA is a clear channel, talk radio radio station serving the Denver, Colorado, market. It is owned by Clear Channel Communications and is nicknamed "the Blowtorch of the West" for its 50,000 watt signal....	Denver, Colorado Denver, Colorado Denver is the Capital and the Colorado municipalities of the state of Colorado, in the United States. Denver is a consolidated city-county located in the South Platte River on the High Plains just east of the Front Range of the Rocky Mountains....
860	CJBC	Toronto, Ontario Toronto Toronto is the List of the 100 largest municipalities in Canada by population in Canada and the Provinces and territories of Canada Provincial and territorial capitals of Canada of Ontario....
870	WWL	New Orleans, Louisiana New Orleans, Louisiana New Orleans is a major United States port city and the largest city in Louisiana. New Orleans is the center of the New Orleans metropolitan area metropolitan area, the largest metro area in the state....
880	WCBS WCBS (AM) WCBS , often referred to as "WCBS Newsradio 880", is a radio station in New York City. Owned by CBS Radio, the station broadcasts on a clear-channel station and is the Flagship of the CBS Radio Network....	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
890	WLS WLS (AM) WLS is a Chicago radio station. The Call sign stand for World's Largest Store . The station operates on an AM broadcasting clear channel frequency of 890 kHz with a power of 50,000 watts, with In-band on-channel during the day, and C-QUAM AM Stereo at night ....	Chicago, Illinois Chicago Chicago is the largest city in the U.S. state of Illinois and the Midwestern United States, as well as the List of United States cities by population city in the United States with more than 2.8 million residents....
900	XEW XEW-AM XEW-AM is a radio station in Mexico City, Mexico. It is branded as W-Radio and its slogan is La voz de la Am?rica Latina desde M?xico or "The voice of Latin America from Mexico."...	Mexico City, D.F. Mexico City Mexico City is the capital city of Mexico. It is the most important economic, industrial, and cultural center in the country; the most populous city with over 8,836,045 inhabitants in 2008....
940	CINW	Montreal, Quebec Montreal Montreal, or Montr?al, is the largest city in the Provinces and territories of Canada of Quebec and the List of largest cities and second largest cities by country List of the 100 largest municipalities in Canada by population....
940	XEQ XEQ-AM XEQ-AM is a radio station in Mexico City, Mexico.Its current transmission frequency is 940 kHz. It is a clear channel station that reaches most of North and Central Mexico at night....	Mexico City, D.F. Mexico City Mexico City is the capital city of Mexico. It is the most important economic, industrial, and cultural center in the country; the most populous city with over 8,836,045 inhabitants in 2008....
990	CBW CBW (AM) CBW is the callsign of the CBC Radio One station in Winnipeg, Manitoba, Canada. The station broadcasts at AM broadcasting 990, and this frequency functions as a Class A clear channel under former North American Radio Broadcasting Agreement allocations....	Winnipeg, Manitoba
990	CBY	Corner Brook, Newfoundland and Labrador Corner Brook, Newfoundland and Labrador Corner Brook is a Canada city located on the west coast of the island of Newfoundland in the province of Newfoundland and Labrador.Located on the Bay of Islands, Newfoundland and Labrador at the mouth of the Humber River , the city is the largest population centre in the province outside the Avalon Peninsula and functions as a service cen...
1000	KOMO KOMO (AM) KOMO is a radio station based in Seattle, Washington. Its format is primarily news, and it is also the flagship station of the Seattle Mariners Radio Network....	Seattle, Washington
1000	WMVP WMVP WMVP is the callsign of a commercial radio station in Chicago, Illinois, USA. It is owned by American Broadcasting Company. Its transmitter is located in Downers Grove, Illinois....	Chicago, Illinois Chicago Chicago is the largest city in the U.S. state of Illinois and the Midwestern United States, as well as the List of United States cities by population city in the United States with more than 2.8 million residents....
1010	CBR CBR (AM) CBR is a Canada radio station, broadcasting at 1010 AM radio in Calgary, Alberta. It broadcasts the programming of the CBC Radio One network....	Calgary, Alberta
1010	CFRB	Toronto, Ontario Toronto Toronto is the List of the 100 largest municipalities in Canada by population in Canada and the Provinces and territories of Canada Provincial and territorial capitals of Canada of Ontario....
1020	KDKA KDKA (AM) KDKA is a radio station in Pittsburgh, Pennsylvania and is often said to be the oldest commercial radio station in the United States. However, this fact is contested by media historians, who note that 8MK in Detroit was on the air doing regular broadcasts in late August 1920....	Pittsburgh, Pennsylvania Pittsburgh, Pennsylvania Pittsburgh is the second largest city in the U.S. state of Pennsylvania with a population of 312,819. The population of the seven-county metropolitan area is 2,462,571....
1030	WBZ WBZ (AM) WBZ is the call sign for an Amplitude modulation radio station in Boston, Massachusetts which is owned by CBS Radio , which itself is owned by the CBS Corporation....	Boston, Massachusetts Boston, Massachusetts Boston is the State capital and largest city of the Commonwealth of Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is considered the economic and cultural center of the region, and is sometimes regarded as the unofficial "Capital of New England." Boston city proper had a 2007 est...
1040	WHO WHO (AM) WHO is a clear channel radio station broadcasting 50,000 watts on 1040 amplitude modulation with a talk radio format. The station is owned by Clear Channel Communications and is located in Des Moines, Iowa....	Des Moines, Iowa Des Moines, Iowa Des Moines , is the Capital and the most populous city in the United States U.S. state of Iowa. It is also the county seat of Polk County, Iowa....
1050	XEG	Monterrey, Nuevo León Monterrey Monterrey is the capital city of the northeastern Mexico state of Nuevo Le?n and a Monterrey of the same name. Also known as "Sultana del Norte" , Monterrey is an important industrial and business center....
1060	KYW KYW (AM) KYW is a class A AM broadcasting radio station on 1060 kilohertz licensed to Philadelphia, Pennsylvania. KYW is owned by the CBS Radio unit of CBS Corporation, and has an All-news radio format....	Philadelphia, Pennsylvania
1060	XEEP XEEP-AM XEEP-AM is a radio station serving Mexico City and surrounding areas in Mexico. It airs Spanish language educational programming on 1060 kHz AM and is owned by the Main Directorate of Radio Education , Secretariat for Public Education, Mexico....	Mexico City, D.F. Mexico City Mexico City is the capital city of Mexico. It is the most important economic, industrial, and cultural center in the country; the most populous city with over 8,836,045 inhabitants in 2008....
1070	CBA CBA (AM) CBAM is a radio station broadcasting at 106.1 MHz from Moncton, New Brunswick, Canada, and is the local CBC Radio One station of the Canadian Broadcasting Corporation....	Moncton, New Brunswick
1070	KNX KNX (AM) KNX is an all-news radio station in Los Angeles, California, USA. The station operates on a clear channel and is owned by CBS Radio. KNX broadcasts from facilities shared with sister stations KFWB, KCBS-FM, KTWV, and KLSX on Los Angeles' Miracle Mile, Los Angeles, California, and maintains its transmitter and antenna array site at Columbia...	Los Angeles, California Los Angeles, California Los Angeles is the largest city in the U.S. state of California and the List of United States cities by population in the United States. Often abbreviated as L.A. and nicknamed The City of Angels, Los Angeles is rated as a beta global city, has an estimated population of 3.8 million and spans over in Southern California....
1080	WTIC WTIC (AM) WTIC is a 50,000-watt radio station operating out of Hartford, Connecticut, broadcasting news and talk radio. Its signal, located at 1080 kilohertz, can be picked up throughout southern New England by day and over several states as well as parts of Canada by night....	Hartford, Connecticut Hartford, Connecticut Hartford is the Capital of the Connecticut. It is located in Hartford County, Connecticut on the Connecticut River, north of the center of the state, south of Springfield, Massachusetts....
1080	KRLD KRLD KRLD "NewsRadio 1080" is a dual format news and talk radio radio station located in Dallas, Texas and owned by CBS Radio. The callsign originated from the station's original owners, Dallas Radio Laboratories, transposed as Radio Laboratories of Dallas....	Dallas, Texas Dallas, Texas Dallas is the third largest city in the state of Texas and the List of United States cities by population in the United States.The city, with a population of over 1.3 million, is the main economic center of the 12-county Dallas/Fort Worth Metroplex which contains 6.1 million people, and is the fourth-largest United States metropolitan area...
1090	KAAY KAAY KAAY is a 50,000-watt, class-A AM radio station in Little Rock, Arkansas licensed on 1090 kHz....	Little Rock, Arkansas Little Rock, Arkansas Little Rock is the Capital and the most populous city of the U.S. state of Arkansas and the county seat of Pulaski County, Arkansas. The city's population was estimated at 184,422 in 2005....
1090	WBAL WBAL (AM) WBAL is a news/talk radio station located in Baltimore, Maryland. It broadcasts on 1090 kHz and is a clear channel station on the AM broadcasting with 50 kW of power....	Baltimore, Maryland Baltimore, Maryland Baltimore is an independent city and the largest city in the U.S. state of Maryland in the United States. Baltimore is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay....
1100	WTAM WTAM WTAM is an AM broadcasting station in Cleveland, Ohio broadcasting on 1100 kHz with 50,000 watts. Its transmitter is located at the top of Snowville Road in Brecksville, Ohio....	Cleveland, Ohio Cleveland, Ohio Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County, Ohio, the most populous county in the state. The municipality is located in northeastern Ohio on the southern shore of Lake Erie, approximately 60 miles west of the Pennsylvania border....
1110	KFAB	Omaha, Nebraska Omaha, Nebraska Omaha is the largest city in the state of Nebraska, United States, and is the county seat of Douglas County, Nebraska. It is located in the Midwestern United States on the Missouri River, about 20 miles north of the mouth of the Platte River....
1110	WBT WBT (AM) WBT is a 50,000 watt clear-channel radio station in Charlotte, North Carolina, broadcasting on the AM broadcasting at 1110 kHz. It simulcasts on WBT-FM, at 99.3 MHz in Chester, South Carolina....	Charlotte, North Carolina Charlotte, North Carolina Charlotte is the largest city in the state of North Carolina and the seat of Mecklenburg County, North Carolina. The List of United States cities by population in the United States....
1120	KMOX KMOX (AM) KMOX is an radio station broadcasting from St. Louis, Missouri. It is a 50,000-watt clear channel radio station, which permits its nighttime signal to be heard in most of the continental U.S....	St. Louis, Missouri St. Louis, Missouri St. Louis is an independent city in the U.S. state of Missouri, located near the confluence of the Mississippi River and the Missouri River. St....
1130	CKWX CKWX (AM) CKWX is a 24-hour all-news radio station broadcasting to residents of Vancouver and the Lower Mainland, British Columbia. Upon the switch to its current format in 1996, News1130 introduced up-to-the minute frequent traffic reports every 10 minutes, a service already present in major American metropolitan areas such as Los Angeles, but none...	Vancouver, British Columbia Vancouver Vancouver is a coastal city and major seaport located in the Lower Mainland of southwestern British Columbia, Canada. It is the largest city in British Columbia and the second largest metropolitan area in the Pacific Northwest region....
1130	KWKH KWKH KWKH is a classic country music radio station serving Shreveport, Louisiana. The clear channel station broadcasts at 1130AM. Formerly owned by Clear Channel Communications, it is now owned by Gap Broadcasting....	Shreveport, Louisiana Shreveport, Louisiana Shreveport is the third-largest city and the principal city of the third largest metropolitan area in the U.S. state of Louisiana, as well as being the 99th-largest city in the United States....
1130	WBBR WBBR WBBR is a radio station, broadcasting at 1130 AM broadcasting in New York City. It airs Bloomberg Radio, a service of Bloomberg L.P.. Its transmitters are located in Carlstadt, New Jersey....	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
1140	WRVA	Richmond, Virginia Richmond, Virginia Richmond is the Capital of the Commonwealth of Virginia, in the United States. Like all Virginia municipalities incorporated as cities, it is an independent city and not part of any county....
1140	XEMR	Monterrey, Nuevo León
1160	KSL	Salt Lake City, Utah Salt Lake City, Utah Salt Lake City is the Capital and the most populous city of the U.S. state of Utah. The name of the city is often shortened to Salt Lake or SLC....
1170	KFAQ KFAQ KFAQ is a talk radio radio station in the Tulsa, Oklahoma, area. The station is owned by Journal Broadcast Group and airs national talk shows such as Glenn Beck, Bill O'Reilly , Laura Ingraham, John Gibson , Mark Levin, Monica Crowley and Coast to Coast AM....	Tulsa, Oklahoma Tulsa, Oklahoma Tulsa is the second-largest city in the state of Oklahoma and List of United States cities by population in the United States. With an estimated population of 384,037 in 2007, it is the principal municipality of the Tulsa Metropolitan Statistical Area, a region of 905,755 residents projected to reach one million between 2010 and 2012....
1170	WWVA WWVA (AM) WWVA is an AM broadcasting radio station that broadcasts on a frequency of 1170 kHz with studios in Wheeling, West Virginia, United States and its transmitter in St....	Wheeling, West Virginia Wheeling, West Virginia Wheeling is a city in Marshall County, West Virginia and Ohio County, West Virginia counties in the U.S. state of West Virginia. Most of the city lies in Ohio County, for which it is the county seat....
1180	WHAM WHAM (AM) WHAM is a clear-channel station talk radio station in Rochester, New York, owned by Clear Channel Communications. Its 50,000-watt transmitter is located in Chili, New York, and the station broadcasts on 1180 kHz....	Rochester, New York Rochester, New York Rochester is a city in Monroe County, New York, New York State, south of Lake Ontario in the United States. The Rochester metropolitan area is the second largest economy in New York State, behind the New York City metropolitan area....
1190	KEX KEX (AM) KEX is a List of broadcast station classes clear channel AM broadcasting radio station broadcasting from Portland, Oregon. As of 2005 it is owned by Clear Channel Communications and runs All-news radio/Talk radio programming....	Portland, Oregon Portland, Oregon Portland is a city located in the Northwestern United States United States, near the confluence of the Willamette River and Columbia River rivers in the state of Oregon....
1190	WOWO WOWO Located in Fort Wayne, Indiana, WOWO is an independent news/talk radio station transmitting on 1190 Kilohertz at 50,000 watts during the daylight hours and 9,800 watts during the nighttime hours....	Fort Wayne, Indiana Fort Wayne, Indiana Fort Wayne is a city in northeastern Indiana, United States and the county seat of Allen County, Indiana. As of July 1, 2008, the city had an estimated population of 251,247, making it the List of United States cities by population Fort Wayne is Indiana's second largest city after Indianapolis, Indiana....
1190	XEWK	Guadalajara, Jalisco Guadalajara, Jalisco Guadalajara is the capital city of the Mexico state of Jalisco, and the seat of the municipality of Guadalajara. The city is located in the central region of the state and in the western-Pacific area of Mexico....
1200	WOAI WOAI (AM) WOAI is a San Antonio, Texas, news radio/talk radio formatted radio station operating with 50,000 Watts non-directional day and night from a transmitter site near Marion, Texas....	San Antonio, Texas San Antonio, Texas San Antonio is the second-largest city in the state of Texas and the List of United States cities by population. Located in , the city is a cultural and geographical gateway into the ....
1210	WPHT WPHT WPHT is a CBS Radio station located in Philadelphia, Pennsylvania broadcasting on 1210 kHz. The station broadcasts with 50 kW power omnidirectionally, and uses the nickname " The Big Talker 1210." The station is owned by CBS Radio....	Philadelphia, Pennsylvania
1220	XEB XEB-AM XEB-AM is a radio station serving Mexico City and surrounding areas in Mexico. It airs a Adult contemporary format with music from the 1940s to the 1970s in a spanish language on AM frequency 1220 kHz and is under ownership of the Radio Institute of Mexico...	Mexico City, D.F. Mexico City Mexico City is the capital city of Mexico. It is the most important economic, industrial, and cultural center in the country; the most populous city with over 8,836,045 inhabitants in 2008....
1500	KTSP KSTP (AM) am1500 KSTP is the flagship station of the Hubbard Broadcasting Corporation, which also owns several other television and radio stations across the United States and some other properties....	Saint Paul, Minnesota Saint Paul, Minnesota Saint Paul is the state capital and second most populated city in the U.S. state of Minnesota. The city lies on the north bank of the Mississippi River, downstream of the river's confluence with the Minnesota River, and adjoins Minneapolis, Minnesota, the state's List of cities in Minnesota....
1500	WFED	Washington, D.C. Washington, D.C. Washington, D.C. , formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the Capital of the United States, founded on July 16, 1790....
1510	KGA KGA KGA is a sports radio station based in Spokane, Washington. The Mapleton Communications, LLC outlet broadcasts at 1510 kHz with 50 kW. It has switched formats with its sister station, KJRB, who was sports, and is now news-talk....	Spokane, Washington Spokane, Washington Spokane is a city located in the Northwestern United States in the state of Washington. Spokane is the largest city and county seat of Spokane County, as well as the metropolitan center of the Inland Northwest region....
1510	WLAC WLAC WLAC is a clear channel radio station based in Nashville, Tennessee, operating at 1510 kilohertz on the AM broadcasting dial. Its first broadcast took place on November 24, 1926....	Nashville, Tennessee Nashville, Tennessee Nashville is the Capital of the U.S. state of Tennessee and the county seat of Davidson County, Tennessee. It is the second most populous city in the state after Memphis, Tennessee....
1520	KOKC KOKC (AM) KOKC is a talk radio radio station located in Oklahoma City among a cluster of stations in the market owned by Pennsylvania-based Renda Broadcasting....	Oklahoma City, Oklahoma Oklahoma City, Oklahoma Oklahoma City is the capital and largest city of the U.S. state of Oklahoma. The county seat of Oklahoma County, Oklahoma, the city ranks List of United States cities by population among United States cities in population....
1520	WWKB WWKB WWKB is an AM broadcasting radio station in Buffalo, New York that operates on a frequency of 1520 kHz. It is owned and operated by Entercom Communications....	Buffalo, New York Buffalo, New York Buffalo , is the second largest city in the state of New York. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River, Buffalo is the principal city of the Buffalo-Niagara Falls metropolitan area and the county seat of Erie County, New York....
1530	KFBK KFBK KFBK is a radio station in Sacramento, California broadcasting on a frequency of 1530 kHz. KFBK is a List of broadcast station classes clear channel station, formerly designated as a class "I-B" station, sharing 1530 with WCKY in Cincinnati, Ohio....	Sacramento, California Sacramento, California Sacramento is the Capital of the United States U.S. state of California, and the county seat of Sacramento County, California. Located along the Sacramento River and just south of the American River's confluence in California's expansive California Central Valley, it is the seventh-largest city in California.....
1530	WCKY WCKY (AM) WCKY is an AM broadcasting radio station in Cincinnati, Ohio, United States, broadcasting at 1530 kilohertz with 50,000 watts, and its transmitter is located in nearby Villa Hills, Kentucky....	Cincinnati, Ohio Cincinnati, Ohio Cincinnati is a city in the U.S. state of Ohio and the county seat of Hamilton County, Ohio. The municipality is located in southwestern Ohio and is situated on the Ohio River at the Ohio-Kentucky border....
1540	KXEL KXEL KXEL is a Class A AM radio station serving the Waterloo, Iowa/Cedar Rapids, Iowa metropolitan area with a All-news radio/Talk radio format. It broadcasts on AM frequency 1540 kHz and is under ownership of Bahakel Communications....	Waterloo, Iowa Waterloo, Iowa Waterloo is a city in and the county seat of Black Hawk County, Iowa, Iowa, United States. As of the 2000 United States Census, the city had a total population of 68,747....
1540	ZNS-1 ZNS-1 ZNS-1 is a radio station serving Nassau, Bahamas and the vicinity with a All-news radio/Talk radio format. It broadcasts on AM frequency 1540 kHz and is under ownership of the Broadcasting Corporation of The Bahamas....	Nassau, Bahamas Nassau, Bahamas Nassau is the Capital , largest city, and commercial centre of the Commonwealth of the Bahamas. The city has a population of 260,000 , nearly 80 percent of the entire population of The Bahamas ....
1550	CBE CBE (AM) CBE is the callsign of the CBC Radio One station in Windsor, Ontario, Canada.CBE broadcasts at 1550 on the AM broadcasting dial, and also reaches parts of Western Ontario via two relay transmitters located at Sarnia, Ontario and Chatham, Ontario....	Windsor, Ontario Windsor, Ontario Windsor is the southernmost city in Canada and lies at the western end of the heavily populated Quebec City-Windsor Corridor. Windsor is located south of Detroit, Michigan, is separated from that city by the Detroit River, and has views of the Detroit skyline....
1550	XERUV	Xalapa, Veracruz
1560	KNZR KNZR KNZR is a talk radio radio station based in Bakersfield, California, USA. The station broadcasts at 25 kilowatts of effective radiated power and can be heard in most of California and several other Western states every night....	Bakersfield, California Bakersfield, California Bakersfield is a large city at the southern end of the San Joaquin Valley in Kern County, California, California, United States. It is one of the fastest-growing large-population cities in the USA, and is located roughly equidistant between Los Angeles and Fresno, California, to the south and north respectively....
1560	WQEW WQEW WQEW is a Radio Disney affiliate community of license to New York City. Its transmitter is located in Maspeth, Queens. WQEW has a transmitter power of 50,000 watts and is listed as a Clear channel station....	New York, New York New York City The City of New York is the List of United States cities by population in the United States, while the New York metropolitan area ranks among the List of urban areas by population....
1570	XERF	Ciudad Acuña, Coahuila
1580	CKDO CKDO (AM) CKDO is a Canada radio station, broadcasting at 1580 AM radio in Oshawa, Ontario. The station airs an oldies format. CKDO also has an FM radio rebroadcaster at 107.7 FM....	Oshawa, Ontario Oshawa, Ontario Oshawa is a city in Ontario, Canada, on the Lake Ontario shoreline, approximately 60 kilometres east of downtown Toronto. It is commonly viewed as the eastern anchor of both the Greater Toronto Area and the Golden Horseshoe....

Class A (former class I-N) stations in Alaska

Alaska

Alaska is the largest U.S. state of the United States by area; it is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait....
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Frequency (kHz)	Callsign	City of license City of license A city of license or community of license, in United States and Canada broadcasting, is the community that a radio station or television station is officially licensed to serve by that country's broadcast regulator....
640	KYUK KYUK (AM) KYUK , is a public radio station in Bethel, Alaska. It primarily features programming from National Public Radio and .External links...	Bethel Bethel, Alaska Bethel is a city located near the west coast of the U.S. state of Alaska, 340 miles west of Anchorage, Alaska. Accessible only by air and river, is the main port on the Kuskokwim River and is an administrative and transportation hub for the 56 villages in the Yukon-Kuskokwim Delta....
650	KENI KENI KENI is a commercial radio station programming news/talk radio in Anchorage, Alaska, broadcasting on 650 Amplitude Modulation.News Radio 650 KENI is the heritage talk radio station in Anchorage, Alaska....	Anchorage Anchorage, Alaska Anchorage is a consolidated city-Borough in the U.S. state of Alaska. With an estimated 279,671 municipal residents in 2007 , it is Alaska's largest city and constitutes more than 40 percent of the state's total population....
660	KFAR KFAR KFAR is a commercial radio station programming news/talk radio in Fairbanks, Alaska, United States, broadcasting on 660 Amplitude Modulation. It airs Fox News Radio and carries national radio programs thru the Westwood One radio network....	Fairbanks Fairbanks, Alaska Fairbanks is a Devolution City in and the county seat of the Fairbanks North Star Borough, Alaska, Alaska, United States.Fairbanks is the largest city in the Alaska Interior region of Alaska, and second largest in the state behind Anchorage, Alaska....
670	KDLG KDLG KDLG is a non-commercial, public and community radio station in Dillingham, Alaska, broadcasting on 670 Amplitude Modulation. Station programming includes a mix of nationally available National Public Radio shows, Alaska Public Radio Network and local news, and music....	Dillingham Dillingham, Alaska Dillingham , formerly Curyung, is a city in Dillingham Census Area, Alaska, Alaska, United States. According to 2005 Census Bureau estimates, the population of the city is 2,468....
680	KBRW KBRW (AM) KBRW is a non-commercial radio station in Barrow, Alaska, broadcasting on 680 Amplitude Modulation. The station airs public radio programming from the National Public Radio and networks....	Barrow Barrow, Alaska Barrow is a city in and the County seat of the North Slope Borough, Alaska in the U.S. state of Alaska. Barrow is the Northernmost settlements on the North American mainland and in the United States....
700	KBYR KBYR (AM) KBYR is a commercial radio station programming talk radio in Anchorage, Alaska, broadcasting on 700 Amplitude Modulation....	Anchorage Anchorage, Alaska Anchorage is a consolidated city-Borough in the U.S. state of Alaska. With an estimated 279,671 municipal residents in 2007 , it is Alaska's largest city and constitutes more than 40 percent of the state's total population....
720	KOTZ KOTZ KOTZ is a non-commercial radio station in Kotzebue, Alaska, broadcasting on 720 Amplitude Modulation.External links*...	Kotzebue Kotzebue, Alaska Kotzebue is a city in Northwest Arctic Borough, Alaska in the U.S. state of Alaska. According to 2005 Census Bureau estimates, the population of the city was 3,237....
750	KFQD KFQD KFQD is a class A , AM radio station in Anchorage, Alaska operating on 750 kHz. It is owned by Morris Communications and broadcasts in a News radio/Talk radio format....	Anchorage Anchorage, Alaska Anchorage is a consolidated city-Borough in the U.S. state of Alaska. With an estimated 279,671 municipal residents in 2007 , it is Alaska's largest city and constitutes more than 40 percent of the state's total population....
770	KCHU KCHU KCHU is a non-commercial radio station in Valdez, Alaska. Through its main transmitter, two full-service FM stations, and two translators,the station covers an area the size of the state of Ohio, but with a population just over 10,000....	Valdez Valdez, Alaska Valdez is a city in Valdez-Cordova Census Area, Alaska in the U.S. state of Alaska. According to 2005 Census Bureau estimates, the population of the city is 4,020....
780	KNOM KNOM KNOM is a non-commercial Catholic radio station in Nome, Alaska, broadcasting at 780 AM and 96.1 FM. The station owner and licensee is the Catholic Bishop of Northern Alaska....	Nome Nome, Alaska Nome is a city located on the southern Seward Peninsula coast on Norton Sound of the Bering Sea. It is in the Nome Census Area, Alaska of the U.S....
820	KCBF KCBF KCBF is a commercial radio station airing sports radio programming in Fairbanks, Alaska, broadcastingon 820 Amplitude Modulation. KCBF obtains its programming from ESPN Radio....	Fairbanks Fairbanks, Alaska Fairbanks is a Devolution City in and the county seat of the Fairbanks North Star Borough, Alaska, Alaska, United States.Fairbanks is the largest city in the Alaska Interior region of Alaska, and second largest in the state behind Anchorage, Alaska....
850	KICY KICY (AM) KICY is a commercial radio station airing religious programming in Nome, Alaska, broadcasting on 850 KHz Amplitude Modulation....	Nome Nome, Alaska Nome is a city located on the southern Seward Peninsula coast on Norton Sound of the Bering Sea. It is in the Nome Census Area, Alaska of the U.S....
890	KBBI KBBI KBBI , is a National Public Radio member radio station in Homer, Alaska.External links...	Homer Homer, Alaska Homer is a city located in Kenai Peninsula Borough, Alaska in the U.S. state of Alaska. According to 2005 Census Bureau estimates, the population was 5,364....
1020	KAXX	Eagle River Eagle River, Alaska Eagle River is a community within the Municipality of Anchorage situated on the Eagle River for which it is named, between Fort Richardson and Chugach State Park in the Chugach Mountains....
1080	KUDO Kudo Kudo is a Japanese name.KUDO is a radio station in Anchorage, Alaska, United States.Kudo may also be an erroneous singular of the word kudos....	Anchorage Anchorage, Alaska Anchorage is a consolidated city-Borough in the U.S. state of Alaska. With an estimated 279,671 municipal residents in 2007 , it is Alaska's largest city and constitutes more than 40 percent of the state's total population....
1170	KJNP KJNP (AM) KJNP and KJHA is a commercial radio station simulcasting in North Pole, Alaska and Houston, Alaska. The station airs a religious radio format....	North Pole North Pole, Alaska North Pole is a city in Fairbanks North Star Borough, Alaska, Alaska, United States. It is part of the Fairbanks, Alaska metropolitan statistical area....

External links

(FCC Website)

Clear channel

Description

History

Daytimers

List of all clear-channel stations

See also

External links