Index
20220596G 125
BRG POS - WP – Bearing to a specified waypoint from present
position.
SOG - Speed over ground is the actual speed of the vessel
relative to the ocean floor.
COG - Course Over Ground - The actual direction of progress
of a vessel, between two points, with respect to the surface of the
earth, The vessels heading may differ from the course over
ground due to the effects of wind, tide, currents.
Magnetic variation - A magnetic compass points to the
magnetic north pole. The difference between this direction and
true north is the magnetic variation. The amount and direction of
this variation is dependent upon where on the earth you are
located.
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