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GPS Navigation Terminology
Altitude - Height above mean sea level (MSL).
Avg. Speed - The average of all second-by-second speed readings since
last reset.
Bearing (BRG) - The compass direction from your present position to
destination waypoint.
Course - The desired course between the active ‘from’ and ‘to’ waypoints.
Distance (Dist) - The great circle distance from present position to a des-
tination waypoint.
Dist to Dest - The ‘great circle’ distance from present position to a
GOTO destination or the final waypoint in a route.
Dist to Next - The ‘great circle’ distance from a present position to a
GOTO destination or the next waypoint in a route.
ETA - Estimate Time of Arrival. The estimated time you will reach your
destination waypoint, based on current speed and track
ETA to Dest - The estimated time you will reach a GOTO destination or
the final waypoint in a route.
ETA to Next - The estimated time you will reach a GOTO destination or
the next waypoint in a route.
Fuel - The fuel required to travel from your present position to the indi-
cated route waypoint.
Leg Dist - The distance between two route waypoints.
Leg Fuel - The Fuel required to travel from a route waypoint to the next
waypoint (in sequence) in the route.
Leg Time - The time required to travel from a route waypoint to the next
waypoint (in sequence) in the route.
Max Speed - The maximum second-by-second speed recorded since the
last reset.
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APPENDIX F
Navigation
Terminology
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