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   Home  Educational  What is Space Weather  Glossary of Solar Terrestrial Terms Sunday, Sep 07 2008 20:49 UT
Space Weather 
Glossary of Solar Terrestrial Terms

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Winter Anomaly
At mid latitudes, F2 frequencies are lower in summer than in winter, despite the smaller solar zenith angle during summer. This phenomenon occurs mostly around solar maximum.



IPS (Ionospheric Prediction Service) is a unit of the Bureau of Meteorology

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