Wide aperture direction finder

From International Dictionary of Marine Aids to Navigation
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urn:mrn:iala:dic:4-2-0115

A direction finder in which the arriving wave front is received simultaneously (or nearly so) by an array of antennas, extending over a distance comparable to, or greater than, one wave length.

Reference: B.S.




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