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Note: This term is normally deprecated and is superseded by "Polarization error" (4-2-325).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