JRC JMA-7133-SA Instruction Manual page 32

Trial manoeuvre
True course
True speed
True vector
TT
TTG
TXRX
UTC
VRM
Waypoint
A graphical simulation facility used to assist the operator to
perform a proposed maneuver for navigation and collision
avoidance purposes.
The direction of motion relative to ground or to sea, of a target
expressed as an angular displacement from north
The speed of a target relative to ground, or to sea
A vector representing the predicted true motion of a target, showing
course and speed with reference to the ground or sea
Target Tracking.
A computer process of observing the sequential changes in the
position of a radar target in order to establish its motion. Such a
target is a Tracked Target.
Time To Go.
Time to next waypoint.
Transmitter Receiver Unit
U
Universal Time Coordinated.
The international standard of time, kept by atomic clocks around
the world.
V
Variable Range Marker
An adjustable range ring used to measure the distance to a target.
W
A geographical location on a route indicating a event.
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