TERMIUM Plus®

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

RADIO HORIZON [2 records]

Record 1 2002-10-08

English

Subject field(s)
  • Radio Waves
DEF

The locus of points at which direct rays from the transmitter become tangential to the earth's surface.

French

Domaine(s)
  • Ondes radioélectriques
DEF

Lieu des points où les rayons provenant d'un émetteur deviennent tangents à la surface de la Terre.

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
DEF

Conjunto de puntos en los que los rayos que pasan por el horizonte radioeléctrico provenientes del transmisor son tangentes a la superficie de la tierra.

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Record 2 1982-09-21

English

Subject field(s)
  • Air Transport
OBS

In the case of those VHF facilities providing service beyond the radio horizon, (...) planning for co-channel operations shall be such that points at the protection heights and at the limits of the functional service area of each facility are separated by distances not less than the sum of distances from each point to its associated radio horizon.

French

Domaine(s)
  • Transport aérien
OBS

Dans les installations UHF dont la portée dépasse l'horizon radio (...) le fonctionnement sur voie commune sera planifié de telle sorte que la distance entre les points situés à la hauteur de protection et aux limites de la zone de couverture utile de chaque installation ne soit pas inférieure à la somme des distances de chacun de ces points à l'horizon radio correspondant.

Spanish

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