Sensors and Ref-Systems Raw Data
THS Message: True Heading and Status
The message format:
$--THS,x.x,a*hh
where:
x.x
— Heading Degrees, true
a
— Mode indicator
hh
— Checksum
Mode indicator:
A
— Autonomous
E
— Estimated (Dead reckoning)
M
— Manual input
S
— Simulator mode
V
— Data not valid (including standby)
Example
$HETHS,316.70,E*1A
HDG Message: Heading — Deviation and Variation
The message format:
$--HDG,x.x,x.x,a,x.x,a*hh
where:
x.x
— Magnetic Sensor heading in degrees
x.x
— Magnetic Deviation, degrees
a
— Magnetic Deviation direction. E = Easterly, W = Westerly
x.x
— Magnetic Variation, degrees
a
— Magnetic Variation direction. E = Easterly, W = Westerly
hh
— Checksum
Example
$HEHDG,311.2,1.7,W,0.0,E*50
HDM Message: Heading — Magnetic
The message format:
$--HDM,x.x,M*hh
where:
x.x
— Heading Degrees, magnetic
M
— Magnetic
hh
— Checksum
Example
$HEHDM,311.40,M*18
Doc. 000.JDP-10000-OME, rev.3.3.13/“2102.$–17A-Advanced”
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