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Day Skipper - Part 5 - Laying
off a course
Laying off a true course is very simple. A Breton or Portland plotter
is probably the easiest, though not the only way, of drawing the course
that you wish to follow onto the chart.
Place the plotter along the course you wish to follow. Check carefully
that it does not go over any danger areas and that the arrow on the plotter
is pointing in the direction you wish to go to.
Hold the plotter firmly with one hand and draw in the planned track.
Before removing the plotter, swivel the centre compass rose so that
the north marker points up the chart towards north and finely adjust it,
lining up the centre grid with any of the vertical or horizontal grid
lines on the chart. Then lift the plotter off the chart and read off the
course.
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