relay station
Noun: 1. A facility that receives and retransmits a signal: A relay station is a point in a communication system that receives a weakened or degraded signal, amplifies it, and then retransmits it to extend its range or reach a new audience. Its primary function is to restore signal strength and ensure clear transmission over long distances.
Relay stations are critical components in various communication and broadcasting networks. * They are essential for long-distance radio and television broadcasting, allowing signals to cover vast geographical areas. * They are used in telecommunication networks, including satellite and microwave links, to pass data along. * They function in emergency service radio systems (e.g., for police, fire departments) to ensure wide-area coverage.
- The television signal was received by a relay station on the mountain before being broadcast to the valley below.
- Without a network of satellite relay stations, live global communication would be impossible.
- The hiker used a radio that connected to a relay station to call for help from a remote canyon.
- Satellite Relay: A relay station located on an artificial satellite in orbit, used for telecommunications, television, and GPS signals.
- Microwave Relay Station: A tower that receives and retransmits high-frequency radio waves in a line-of-sight path, forming a chain for long-distance communication.
- Relay (noun/verb): The act of receiving and passing something along. (e.g., )
- Repeater (noun): A device or station that performs a similar function, often used synonymously with "relay station" in electronic communications.
- Transponder (noun): A device that receives a signal and automatically transmits a different signal in response, often used in satellite relay stations.
- Booster Station (noun): Another term emphasizing the signal amplification function.
- Repeater station
- Booster station
- Transmitter relay
The core concept is reception, amplification, and retransmission. While often associated with radio/TV, the principle applies to any system where a signal needs to be strengthened and forwarded, including digital data networks and optical fiber systems. It is a node in a larger network, not typically an original source or final destination of the signal.
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an amplifier for restoring the strength of a transmitted signal
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