Difference between revisions of "Dip"
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Latest revision as of 00:58, 25 February 2009
Dip (of the horizon)
Alternative term: Depression
The vertical angle between the horizontal through the eye of an observer and the line of sight to the visible horizon.
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