Hemisphere GPS V104n User Manual page 36

Gps compass
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PG No.
Description
(PGN)
129545
GNSS RAIM Output
Autonomous Integrity Monitoring (RAIM)
process. The Integrity field value is based on
the parameters set in PGN 129546 GNSS
RAIM settings.
129546
GNSS RAIM Settings
Used to report the control parameters for a
GNSS Receiver Autonomous Integrity
Monitoring (RAIM) process.
Table 3-3: Transmitted messages
PG No.
Description
(PGN)
126992
System Time
The purpose of this PGN is twofold: to
provide a regular transmission of UTC time,
date, and to provide synchronism for
measurement data.
127250
Vessel Heading
Heading sensor value with a flag for True or
Magnetic. If the sensor value is Magnetic,
the deviation field can be used to produce a
Magnetic heading, and the variation field
can be used to correct the Magnetic heading
to produce a True heading.
127251
Rate of Turn
Rate of change of the Heading.
V104n GPS Compass User Guide
31
Default
Update
Freq. (Hz)
Rate
(msec)
On
On
Request
Request
On
On
Request
Request
Default
Update
Freq. (Hz)
Rate
(msec)
1000
1
100
10
100
10

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