TERMIUM Plus®

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

POLAR RADIO BLACKOUT [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1992-12-31

English

Subject field(s)
  • Telecommunications
  • Weather Stations and Meteorological Instruments and Equipment
DEF

Failure of radio communication caused by polar cap absorption.

CONT

An arctic blackout may last for days during periods of intense auroral activity.

OBS

The K-Index is useful in determining the state of the geomagnetic field, the quality of radio signal propagation and the condition of the ionosphere. ... K-index values of 7 represent Severe Storm conditions and are often accompanied by "radio blackout" conditions (particularly over higher latitudes).

OBS

polar cap absorption: Effect on radio waves in high latitudes, caused by a sudden increase in the electron concentration in the D layer of the ionosphere.

OBS

radio blackout: Also called arctic blackout, blackout, polar blackout.

Key term(s)
  • polar black-out
  • polar black out
  • arctic black-out
  • arctic black out
  • polar radio black-out
  • polar radio black out
  • arctic radio blackout
  • arctic radio black-out
  • arctic radio black out
  • radio black out
  • radio black-out
  • radio blackout

French

Domaine(s)
  • Télécommunications
  • Stations, instruments et équipements météorologiques
DEF

Défaillance des communications radioélectriques causée par l'absorption au-dessus de la calotte polaire.

OBS

absorption au-dessus de la calotte polaire : Effet sur les ondes radioélectriques aux hautes latitudes, causé par l'augmentation soudaine de la concentration électronique dans la couche D de l'ionosphère.

Spanish

Campo(s) temático(s)
  • Telecomunicaciones
  • Estaciones, instrumentos y equipos meteorológicos
DEF

Fallo de las comunicaciones por radio debido a la absorción en el casquete polar.

OBS

absorción en el casquete polar: Efecto en las altas latitudes sobre las ondas radioeléctricas, ocasionado por un aumento repentino de la concentración de electrones en la capa D de la ionosfera.

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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