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Parameter name

Description

Default

type

Data output format for gnss data source. Currently only NMEA is allowed.

NMEA

port

Serial port number for gnss source.

baudrate

Serial port baudrate to connect to GNSS source.

  • For Linux this parameter needs to be in format /dev/ttyXXX

  • For Windows it is COMxxx

/dev/ttyUSB0

rtcm

Set true to enable RTCM correction data forwarding from RTCM source to gnss module.

false

For details about the overall configuration of the RTK-GPS system refer to this section.

Odometry

The vehicle source is the data source that reads raw CAN data messages from a given CAN bus interface and parses the vehicle data using to the provided CAN protocol.

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  • If you managed to get an RTK-GPS fix, your LPVR-POS system is now ready to operate with RTK-GPS as global centimeter-accurate position reference.

Using Alternate NTRIP Servers

In principle the FusionHub RTCM node can be used with any NTRIP server. We’ve so far only tested it using the Emlid caster described above and the Softbank Ichimili service in Japan. When configuring FusionHub for an alternate NTRIP server make sure to correctly modify all fields of the RTCM node. Make sure that the initialLatitude and initialLongitude coordinates point roughly to the area where you would like to operate the system. Check the command line output of FusionHub, if the connection to the NTRIP server was successful:

  • There should be a line saying "Output to NTRIP server: .." with the initial GET command that's sent to the NTRIP server

  • The output "Successfully connected to NTRIP Caster" should follow a few lines further on

If you see these messages, we know that FusionHub connected correctly to the NTRIP server. Check the GnssData message as described above for connection state.

References

Emlid caster documentation

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