Daymark
Daymark on St Martin's, Isles of Scilly
Scharhörn daymark as an illustration on a 1721 map
A daymark or a day marker is the daytime identifier (attached signboard) of an aid to navigation (ATON) or daybeacon.[1]
Generally, the daymark conveys to the mariner during daylight hours the same significance as does the aid's light or reflector at night.[2]
Daymark chart symbolsEdit
[3][further explanation needed]
| Paper chart | Simplified | Simplified symbol name |
|---|---|---|
| Square or rectangular daymark | ||
| Triangular daymark, point up | ||
| Triangular daymark, point down | ||
| Retro reflector |
See alsoEdit
| Look up daymark in Wiktionary, the free dictionary. |
| Wikimedia Commons has media related to Daymarks. |
ReferencesEdit
- ^ "Nautical Terms for boating and marine industry terminology". www.marineinstitute.org. Retrieved 2017-03-08.
- ^ Light List, Volume II, Atlantic Coast. Washington, DC: US Government Printing Office. 2015. pp. ix.
- ^ US Chart No. 1: Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts. Department of Commerce National Oceanic and Atmospheric Administration Department of Defense National Geospatial-Intelligence Agency. 2013. p. 86.
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