A transponder beacon designed to give an indication on the radar screen of both bearing and distance, its characteristic paint usually beginning at and extending outward from a point a few hundred yards beyond the echo of the object on which it is mounted.
Note: Although racon is an acronym, it is treated as a noun in normal usage. It is therefore written as racon except at the beginning of a sentence or in a title when Racon is used
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