l
Ethernet messages are enabled by default, however can be selectively disabled.
l
NMEA 0183 broadcast packets are sent via multicast to IP address 239.192.0.4.
l
These are sent whenever an Ethernet connection is established and cannot be disabled.
The minimum rate is 1 Hz, except for GPHBT & TSS1 whereby the minimum is as indicated in the table Table
19: NMEA 0183 output messages supported.
The maximum output rate for any message is 100 Hz.
The NMEA 0183 messages are:
Sentence Serial
Default
Ethernet Default Description
$GPGGA Disabled Enabled (1 Hz) Time, latitude, longitude, height and
HDOP
$GPGLL Disabled Enabled (1 Hz) Latitude and longitude
$GPGNS Disabled Enabled (1 Hz) Time, latitude, longitude, height and
HDOP
$GPGSA Disabled Enabled (1 Hz) GNSS DOP and satellites used in
solution
$GPGSV Disabled Enabled (1 Hz) GNSS satellites in view
$GPHBT Disabled Enabled (0.167 Hz) 60
seconds
Heartbeat supervision sentence
$GPHDG Disabled Enabled (1 Hz) Magnetic deviation and variation
$GPHDM Disabled Enabled (1 Hz) Magnetic Heading
$GPHDT Enabled (8
Hz)
Enabled (8 Hz) True heading
$GPHEV Disabled Enabled (1 Hz) Heave
$GPRMC Enabled (8
Hz)
Enabled (8 Hz) Time, date, latitude, longitude and 2D
velocity
$GPROT Disabled Enabled (1 Hz) Rate of turn
$GPVBW Disabled Enabled (1 Hz) Dual ground/water speed
$GPVLW Disabled Enabled (1 Hz) Dual ground/water distance
$GPVTG Disabled Enabled (1 Hz) Course over ground and ground speed
$GPZDA Disabled Enabled (1 Hz) Time and date
$PASHR Disabled Enabled (1 Hz) Time, orientation and orientation error
$TSS1 Disabled Disabled Heave, pitch and roll
$PFEC,GPatt Disabled Enabled (1 Hz) Attitude and heading
$PFEC,GPhve Disabled Enabled (1 Hz) Heave
Table 19: NMEA 0183 output messages supported
v2.0 Page 33 04 Nov 2021
GNSS Compass Reference Manual • Using GNSS Compass
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