Decca Sector pointer

From International Dictionary of Marine Aids to Navigation
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4-4-210

Sector pointer (in Decca)

The open pointer on the lane identification meter, which indicates which of the vernier pointers is to be read during lane identification.




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