3DM
®
-GX5-10
User Manual
UTC (Coordinated Universal Time)
The primary time standard for world clocks and time. It is similar to Greenwich Mean Time (GMT).
V
Vector
a measurement with direction and magnitude with refernce from one point in space to another
Velocity
The rate of change of position with respect to time. Also called speed.
W
WAAS (Wide Area Augmentation System)
An air navigation aid developed to allow aircraft to rely on GPS for all phases of flight, including pre-
cision approaches to any airport.
WGS (World Geodetic System)
a protocol for geo-referencing such as WGS-84
Y
Yaw
In navigation yaw is what occurs when rotational force is applied at a distance forward or aft from the
center of gravity of the platform, causing it to move around the center axis of a sensor or platform frame
origin.
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