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ionosonde station [1 record]

Record 1 2010-04-26

English

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

A station that obtains ionogram recordings (i.e. recorded tracings of reflected high frequency radio pulses) from ionosondes.

OBS

ionosonde: A device used to measure the virtual height of ionospheric layers using a sweep-frequency, pulsed RADAR technique.

OBS

ionosphere: The region of the Earth's upper atmosphere containing a small percentage of free electrons and ions produced by photoionization of the constituents of the atmosphere by solar ultraviolet radiation at very short WAVELENGTHS (<1000 Å). The ionosphere significantly influences radiowave propagation of frequencies less than about 30 MHz.

French

Domaine(s)
  • Stations, instruments et équipements météorologiques
  • Géophysique
  • Astronautique
CONT

Le logiciel des prévisions pour Zones Géographiques a été établi grâce aux données, sur de nombreuses années d'une ou deux, voire trois stations de sondage ionosphérique situées dans chaque zone. Les zones géographiques ont été délimitées pour tenir compte de la variation des caractéristiques de l'ionosphère dans la région considérée.

Spanish

Campo(s) temático(s)
  • Estaciones, instrumentos y equipos meteorológicos
  • Geofísica
  • Astronáutica
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