The following

radio stations Radio broadcasting is the broadcasting of audio signal, 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 lan ...

broadcast on AM frequency 1180 kHz: 1180 AM is United States

clear-channel A clear-channel station is a North American AM broadcasting, AM radio station that has the highest level of protection from Interference (communication), interference from other stations, particularly from nighttime skywave signals. This classifi ...

frequency; Class A status is held by WHAM in Rochester, New York. 1180 AM is the frequency used by

Radio Martí Radio is the technology of telecommunication, 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 transm ...

, reportedly operating with 100,000

watt The watt (symbol: W) is the unit of Power (physics), 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 quantification (science), quantify the rate of Work ...

s from a

transmitter In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna (radio), antenna with the purpose of sig ...

Marathon The marathon is a long-distance foot race with a distance of kilometres ( 26 mi 385 yd), usually run as a road race, but the distance can be covered on trail routes. The marathon can be completed by running or with a run/walk strategy. There ...

in the

Florida Keys The Florida Keys are a coral island, coral cay archipelago off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of Miami a ...

. Because it is owned and operated by the U.S.

Broadcasting Board of Governors The United States Agency for Global Media (USAGM), known as the Broadcasting Board of Governors (BBG) from 1994 to 2018, is an independent agency of the United States government that broadcasts news and information for regions of the world wi ...

, Radio Martí is not licensed by the

Federal Communications Commission The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, internet, wi-fi, satellite, and cable across the United States. The FCC maintains j ...

, and has no

call letters 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 Identifier, unique identifier for a transmitter station. A call sign can be fo ...

. It is subject to jamming from

Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...

where its

directional antenna A directional antenna or beam antenna is an antenna that radiates or receives greater radio wave power in specific directions. Directional antennas can radiate radio waves in beams, when greater concentration of radiation in a certain directio ...

is pointed. As a consequence, other stations on 1180 in North America may experience interference at night from the jamming stations of Cuba.

In Argentina

* LRI230 De La Sierra in Tandil, Buenos Aires

In Cuba

* CMGW in Santo Spiritus * CMJL in Mayarí Arriba

In Mexico

XEFR-AM XEFR-AM is a radio station in Mexico City. Located on 1180 kHz, XEFR-AM is owned by Grupo ACIR and broadcasts an oldies format known as Radio Felicidad. History Radio Felicidad received its concession in 1952 and came to air in 1963. In 1994, t ...

in Mexico City * XEUBS-AM in La Paz, Baja California Sur

In the United States

Stations in bold are

clear-channel station A clear-channel station is a North American AM radio station that has the highest level of protection from interference from other stations, particularly from nighttime skywave signals. This classification exists to ensure the viability of cross ...

References

{{DEFAULTSORT:1180 Am Lists of radio stations by frequency