Electrical scanning

From International Dictionary of Marine Aids to Navigation
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Scanning in which the required variations in beam direction are produced by variations in phase or amplitude (or both) of the currents in the elementary antennas.

Reference: B.S.

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

Centre of buoyancy


International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM