Ordinary Ray

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Ordinary Ray

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That magnetoionic wave component deviating the least, in most of its propagation characteristics, relative to those expected for a wave in the absence of the earth's magnetic field. More exactly, if at fixed electron density, the direction of the earth's magnetic field were rotated until its direction is transverse to the direction of phase propagation, the wave component whose propagation is then independent of the magnitude of the earth's magnetic field. Also called ordinary-wave component. See magnetic double refraction, magnetoionic theory. </dd>

References

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