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   Home  Educational  What is Space Weather  Glossary of Solar Terrestrial Terms Wednesday, Mar 17 2010 05:23 UT
Space Weather 
Glossary of Solar Terrestrial Terms

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Virtual Height
The apparent height of an ionospheric layer deduced from the time delay of a reflected radio pulse upon the assumption that it travelled at the speed of light over its entire path. However, the radio wave actually slows down as it is refracted so that the virtual height is greater than the true height of the refracting layer.



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

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