Back lobe

From International Dictionary of Marine Aids to Navigation
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4-1-385

The lobe the axis of which makes an angle in the neighbourhood of 180 degrees with the forward direction of the axis of the main lobe of the array.




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

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