To level (surveying)

From International Dictionary of Marine Aids to Navigation
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urn:mrn:iala:dic:7-6-0530

To determine differences in altitude using an optical instrument and a calibrated levelling staff.




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

Languages

English

observation duration

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

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