Radio Meteor

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Radio Meteor

</dt>
A meteor which has been detected by the reflection of a radio signal from the meteor trail of relatively high ion density ( ion column). See whistling meteor. Compare photographic meteor. </dd>
Such an ion column is left behind a meteoroid when it reaches the region of the upper atmosphere between about 80 and 120 kilometers, although occasionally radio meteors are detect at higher altitudes. The maximum reflection occurs when the column is perpendicular to the line to the transmitter-receiver. [[/a>|/a> ]]

References

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