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IEVref:705-07-19ID:
Language:enStatus: Standard
Term: cut-off frequency
Synonym1: barrier frequency
[Preferred]
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Definition: the lowest frequency above which a radio wave is able to penetrate an ionospheric layer at the angle of incidence required to establish transmission between specified points by reflection from a higher layer

NOTE – In the case of vertical incidence, the cut-off frequency is also called the blanketing frequency.


Publication date:1995-09
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