Ground Wave

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Ground Wave

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A radio wave that is propagated over the earth and is ordinarily affected by the presence of the earth's surface and the troposphere. The ground wave includes all components of a radio wave over the earth except ionospheric and tropospheric waves. Compare sky wave. </dd>
The ground wave is refracted because of variations in the dielectric constant of the troposphere including the condition known as a surface duct. [[/a>|/a> ]]

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use