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Area Radio wave propagation / Influence of the ionosphere on radio wave propagation

IEV ref 705-07-84

en
solar cycle
a period of approximately 11 years characterizing the slowly variable components of solar activity

fr
cycle d'activité solaire, m
période d'environ onze ans caractérisant les composantes lentement variables de l'activité solaire

ar
دورة شمسية

de
Sonnenzyklus, m

es
ciclo solar

it
ciclo solare

ko
태양 주기

ja
太陽周期

pl
cykl słoneczny

pt
ciclo de actividade solar

sv
solaktivitetscykel

Publication date: 1995-09
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