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Appendices
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Route:
A route consists of start point, end point and in-between waypoints. A single
route is a kind of simple route only having start point and end point, in
another word it is a
“
Goto
”
route. Route can also be made up of several legs
from one waypoint reaching up to 20 other different waypoints.
SOG:
Speed over ground. The actual speed the GPS_DESIGNER is moving over
the ground. This may differ from airspeed or nautical speed due to such
things as sea conditions or head winds.
Speed:
The GPS receiver uses instantaneous speed to indicate practical moving
speed.
TRP:
Tracked route.
True North:
The direction of the North Pole from your current position. Magnetic
compasses are slightly incorrect due to effects of the Earth
’
s magnetic field
while GPS units are more accurate for magnetic influences.
Waypoint:
A permanently stored and named position in the GPS_DESIGNER
’
s
memory.
XTE:
Cross-Track Error.
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