Difference between revisions of "Night effect"

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Revision as of 00:18, 25 February 2009

4-2-320

Alternative term: Night error

A polarization error caused by variations in polarization generally exhibited during the morning and evening twilight at certain frequencies, resulting from the ionosphere.


Note: This term is normally deprecated and is superseded by "Polarization error" (4-2-325).




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)