Magnetic Double Refraction

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Magnetic Double Refraction

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The splitting, into two components, of a radio wave traveling in a region of free electrons. This is due to the interaction of the earth's magnetic field and the alternating field of the radio wave. Except for waves near the gyrofrequency, the components of the split wave, the ordinary ray and the extraordinary ray, will travel with slightly different velocities and be reflected at different heights. See magneto-ionic theory. [[/a>|/a> ]]

References

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