Furuno FEA-2107 Operator's Manual page 556

Appendix 1: Glossary of Terms
WORLD GEODETIC SYSTEM (WGS)
A consistent set of parameters describing the size and shape of the earth, the positions of a network of points with
respect to the center of mass of the Earth, transformations from major geodetic datums, and the potential of the
Earth.
FROM WP
AP-4
OFF TRACK
Figure 1
Approach Wheel Over Point
Point
WP approach
alarm time
Figure 2
PLAN
=
Center line of
monitored route
ROUTE
Calculated course
to minimize off track
Set and Drift
WOP
forwarding
distance = f
TO WP
=
COG, SOG
=
Course Over Ground
Speed Over Ground
HDG
=Heading
Waypoint
WP
end of turn
radius
next course