PGN
Description
Output Period
(milliseconds)
Rate
(Hz)
126992
System Time
UTC time and date
1000
1
126993
Heartbeat
Transmitted by all NMEA devices to indicate the device is still
present on the network. Reception of this PGN may also be used
to maintain an address to NAME association table within the
receiving device.
60000
127250
Vessel Heading
True and magnetic heading
100
10
127251
Rate of Turn
Rate of change of the heading
100
10
127252
Heave
Vertical distance relative to the average sea level
100
10
127257
Attitude
Orientation of the vessel
1000
1
129025
Position, Rapid Update
Rapid update of latitude and longitude
100
10
129026
COG & SOG, Rapid Update
Rapid update of Course Over Ground (COG) and Speed Over
Ground (SOG)
250
4
129029
GNSS Position Data
Position and GNSS fix status
1000
1
129540
GNSS Satellites in View
1000
1
130578
Vessel Speed Components
Longitudinal and transverse speed
250
4
Table 18: NMEA 2000 transmitted messages
7.6 NMEA 0183
The GNSS Compass supports outputting the version 4.10 compliant NMEA 0183 messages over both Serial
and Ethernet connections.
For the serial variant (GC2-SER):
l
Serial data is output on the Auxiliary serial port.
l
Each message can be enabled or disabled and output rates are configurable.
For the Ethernet variant (GC2-POE):
v2.0
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GNSS Compass Reference Manual • Using GNSS Compass
Summary of Contents for GNSS Compass
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