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A modern nautical compass rose. The outer circle (true rose) is aligned with true north; the inner circle (magnetic rose) with magnetic north. Inside the magnetic rose there is also an older 32-point graduation. Date: 15 August 2007: Source: Redrawn in Inkscape; based on a public domain file created by NOAA. Author: Mysid
Green is used for drying (intertidal) areas, and magenta to indicate lights and beacons. Thus the chart coloration gave a clear indication to users as to whether they were using a chart with depths in fathoms or feet. While depths and heights were in metres, the nautical mile continued to be an international standard. Derived from the length of ...
An 8-point compass rose is a prominent feature in the logo of the Seattle Mariners Major League Baseball club. Hong Kong Correctional Services's crest uses a four-pointed compass rose. The compass rose is used as the symbol of the worldwide Anglican Communion of churches. [22] A 16-point compass rose was IBM's logo for the System/360 product line.
A portolan nautical chart of the Mediterranean Sea, second quarter of the 14th century. Kept in the Library of Congress, where it is the oldest original cartographic artifact. Portolan charts are nautical charts, first made in the 13th century in the Mediterranean basin and later expanded to include
OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. This chart is available on the OpenSeaMap website, and can also be downloaded for use as an electronic chart for offline applications. [1] The project is part of OpenStreetMap. OpenSeaMap is part of the ...
A bearing is the angle between the line joining the two points of interest and the line from one of the points to the north, such as a ship's course or a compass reading to a landmark. On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points.
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
The traverse board is a wooden board with peg-holes and attached pegs. It is divided into two parts, upper and lower. The top part is for recording direction sailed.It has a representation of the compass rose with its 32 compass points, just as on the face of the ship's compass.