Broadcast relay station
broadcast transmitter which repeats the signal of a radio or television station to an area not covered by the originating station
A broadcast relay station, also known as a satellite station, relay transmitter, broadcast translator (U.S.), re-broadcaster (Canada), repeater (two-way radio) or complementary station (Mexico), is a broadcast transmitter which repeats (or transponds) the signal of a radio or television station to an area not covered by the originating station.
These expand the broadcast range of a television or radio station beyond the primary signal's original coverage or improves service in the original coverage area. The stations may be (but are not usually) used to create a single-frequency network. They may also be used by an AM or FM radio station to establish a presence on the other band.
Relay stations are most commonly established and operated by the same organizations responsible for the originating stations they repeat. Depending on technical and regulatory restrictions, relays may also be set up by unrelated organizations.
Types
Translators
A broadcast translator receives an over-the-air terrestrial transmission on one frequency, and rebroadcasts it on a different frequency. It is used in television and radio to cover areas (such as valleys or rural villages) which are not adequately covered by a station's main signal. They can also be used to expand market coverage by duplicating programming on another band.
Boosters and distributed transmitters
Relays which broadcast within (or near) the parent station's coverage area on the same channel (or frequency) are known in the U.S. as booster stations.
Begin with the source’s own compact description: “Broadcast relay station” is broadcast transmitter which repeats the signal of a radio or television station to an area not covered by the originating station. The dossier treats that line as a proposition to test through Broadcast, relay and station, not as a finished interpretation.
Why this record matters
The phrase “broadcast transmitter which repeats the signal of a radio or television station to an area not covered by the originating station” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Sep 6, 2026. The linked authority identifier is Q357742. None of the 0 selected statements returned an explicit reference.
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Three-step research path
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This entry incorporates text from “Broadcast relay station” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.