COMPASS ROSE: The resulting figure when the complete 360° directional system is developed as a circle with each degree graduated upon it, and with the 000° indicated as True North. True North is also known as true rose.
compass rose - 1 - A circle on a chartchart indicating the direction of geographic north and sometimes also magnetic north. Charts usually have more that one compass rose.
Compass Rose - Double circle with magnetic degrees in the inner circle and true degrees in the outer circle
Compensated Compass - Compass that has been adjusted to correct for deviation ...
compass rose: two concentric circles, each divided into 360 degrees or 32 points, printed on nautical charts and used for laying off courses or bearings. The outer circle is graduated in degrees true, the inner circle is degrees magnetic.
Cardinal points The points of North, South, East and West as marked on a compass rose. Celestial navigation A method of using the stars, sun and moon to determine one's position.
The compass rose on a chart usually shows both true and magnetic directions. A compass protractor is a navigational plotter with a compass rose that orients it to the chart. See lubber's line and made good.
To determine the direction of travel use the parallel ruler and the chart's compass rose. Walk the ruler for the track to the compass rose and read the direction in degrees True North or degrees Magnetic North.
A navigational tool used to move a line on a chart from one location to another without changing its angle, such as when moving a plotted course to a compass rose.
The amount of by which variation changes up or down each year in a particular area. The annual increase or decrese is printed in the compass roses on each chart and may make a significant difference over a number of years
anticlone ...
You can take magnetic bearings to distant objects to establish a LOP by sighting over the top of the compass and reading the bearing in that direction. Be sure to use the magnetic compass rose on the chart.
The direction indicated by 000° (or 360°) on the true compass rose.
TRUE WIND - The actual direction from which the wind is blowing.
TURNBUCKLE - A threaded, adjustable rigging fitting, used for stays, lifelines and sometimes other rigging.
 See also: Compass, Boat, Chart, Navigation, Course
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