Main lobe
4-1-380
The lobe containing the direction of maximum radiation.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
4-1-380
The lobe containing the direction of maximum radiation.
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