The Government of Canada’s terminology and linguistic data bank.

RADIO REALY [1 record]

Record 1 2008-09-30


Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Telecommunications Transmission

A satellite is a wireless receiver/transmitter that operates in orbit around the earth and acts as a microwave relay station, receiving signals sent from a ground-based station, amplifying them, and retransmitting them on a different frequency to another groundbased station.


radio relay; RR: term and abbreviation officially approved by the Department of National Defence and the Canadian Forces.

Key term(s)
  • radio relay station


  • Radar, radioguidage et radiogoniométrie
  • Transmission (Télécommunications)

Station réémettrice assurant le relayage d'un faisceau hertzien lorsque l'antenne de réception n'est pas en visibilité directe de l'antenne d'émission.


Dans le cas le plus fréquent d'un relais hertzien au sol, celui-ci comprend essentiellement un pylône ou une tour portant deux ou plusieurs antennes paraboliques et abritant les appareils de réception et réémission des signaux.


Peut être constitué par un satellite de télécommunications.

Key term(s)
  • station-relais


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