TERMIUM Plus®

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SHORT-WAVE FADE-OUT [1 record]

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Alphabetical list of terms

Record 1 2021-01-18

English

Subject field(s)
  • Radio Waves
  • Radio Interference
DEF

A fade-out suddenly affecting radio waves at frequencies of between around 2 and 30 megahertz, caused by a sudden ionospheric disturbance.

CONT

A SWF is one effect under the broad category of sudden ionospheric disturbances (SIDs).

OBS

radio fade-out: designation officially approved by the Electronics and Telecommunications Terminology Committee (CUTEL).

Key term(s)
  • shortwave fadeout
  • shortwave fade-out
  • shortwave fade

French

Domaine(s)
  • Ondes radioélectriques
  • Perturbations radio
DEF

Évanouissement affectant brusquement les ondes radioélectriques de fréquences comprises entre 2 et 30 MHz environ, dû à une perturbation ionosphérique à début brusque.

OBS

Les disparitions d'ondes courtes [...] et les perturbations ionosphériques soudaines [...] affectent les couches E et F de l'ionosphère supérieure alors que les relèvements subits du niveau des bruits atmosphériques [...] sont provoquées par un accroissement des propriétés réflectrices de la couche inférieure D.

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
  • Perturbaciones radioeléctricas
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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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