Simrad CS66 4-channels Chart system
Navigator Datum
Valid flag
Specification for differential GPS. Must be entered if Navigator or
AIS is selected as device type.
Antenna position
offset from ref. point
Values for antenna offset for Navigator and AIS devices.
All sensors refer to the vessel’s reference point. This point is
defined in Ship settings, page 24. If no reference is defined, the
vessel’s center of gravity will be used as reference point.
If the antennas are mounted out of the reference point, the offset
x and y values for the antenna position must be entered into the
system to give the correct ship position.
If two equal navigators (GPS) with antennas are installed as
indicated on the figure below, and if correct antenna offset is
entered, there should be no position difference between them.
The ship will obtain the same position in the chart even if the
sensors are exchanged.
The position for a GPS is the position of the antenna. The
position is given as an x and y offset relative to the vessel
center, with positive value forward and to starboard.
x
y
0,0
ANTENNA POSITION (-X, -Y)
ANTENNA POSITION (+X, +Y)
16 20221867 / E
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