Check satellite reception and signal-to-noise ratio
The satellite search status can be referred to in the main interface of RxControl under Satellite Status, and the signal-to-noise ratio can be viewed through View -> Carrier to Noise Plot.
View Differential Data
Through the RxControl software, go to View/DiffCorr Info View to access the following interface, where you can see the differential source signal system, baseline length, and RTCMv2 or RTCMv3 data. (See section 4.3 Rover Mode for steps to set up the receiver as a rover to receive differential corrections.)
View Board Positioning and Orientation Status
RxControl Command Line Window
Through the RxControl software, go to Tools/Expert Console/GRB0051 window to input commands. As you type, the window will automatically prompt command hints. You can also type "help" to return all supported commands.
Web Interface
When connected via USB, a virtual network port will be created on the computer with a fixed IP address of 192.168.3.1. Open it using a browser, and the interface will look as follows:
You can configure the receiver through Admin/Expert Control/Control Panel. Refer to Chapter 3 below for the configuration method.
Set Tracking and Solving for Satellites and Frequencies
Tracking Satellites
To set the tracking satellites, go to Navigation/Advanced User Setting/Tracking/Satellites Tracking in the RxControl software and select all options: GPS+Glonass+Galileo+Beidou.
Command line: sst,GPS+Glonass+Galileo+Beidou
Tracking Frequencies
To set the tracking frequencies, go to Navigation/Advanced User Setting/Tracking/Signal Tracking in the RxControl software and select all frequencies for GPS+Glonass+Galileo+Beidou.
Command line:snt,GPS+Glonass+Galileo+Beidou
PVT Solution Satellites
To set the satellites for PVT solution, go to Navigation/Advanced User Setting/PVT/Satellites Usage in the RxControl software and select all options: GPS+Glonass+Galileo+Beidou.
Command line:ssu,GPS+Glonass+Galileo+Beidou
PVT Solution Frequencies
To set the frequencies for PVT solution, go to Navigation/Advanced User Setting/PVT/Signal Usage in the RxControl software and select all frequencies for GPS+Glonass+Galileo+Beidou.
Command line:snu,all,all
Performance Optimization Settings
Anti-Interference
To enable the anti-interference function options, follow these steps: RxControl/Navigation/Advanced User Setting/Frontend and Interference Mitigation:
- Wideband Interference Mitigation/Enable WBI mitigation: ON
- Notch Filters: Notch 1 – Auto; Notch 2 – Auto; Notch 3 – Auto
Command line: setWBIMitigation,on // Wideband Interference Mitigation - Enable
setNotchFiltering,all,auto,, // Narrowband Interference Mitigation - Enable
Multipath Mitigation
View and set the multipath mitigation options through the following steps:RxControl/Navigation/Receiver Operation/Tracking and Measurements/Multipath:
- Enable multipath mitigation on code phase: ON
-
Enable multipath mitigation on carrier phase: ON
Command line: setMultipathMitigation,on,on // Enable multipath mitigation
Cutoff Elevation Angle
It is recommended to set the cutoff elevation angle to 10°. You can view and set the cutoff elevation angle option through the following steps:
RxControl/Navigation/Mask/Elevation Mask:
- Discard satellite if below: Tracking: 10 degree;
-
PVT: 10 degree;
Command line: setElevationMask,tracking,10 // Set tracking cutoff elevation angle to 10°
setElevationMask,pvt,10 // Set PVT cutoff elevation angle to 10°
Satellite Time System
The board defaults to using GPS time as the satellite time system. If, in practical applications, it is found that GPS signals are interfered with, affecting positioning quality and preventing an RTK Fixed status, it is recommended to change the time system to Beidou satellite system time. The method is as follows:
- RxControl/Navigation/Rover Operation/Timing / Timing System: Beidou
Command line: setTimingSystem,Beidou // Set the time system to Beidou satellite system time
RTK Mode
Base Station Mode
- Configure the board to Static mode: RxControl/Navigation/Position Mode
Set the Reference position to Auto, or specify latitude and longitude coordinates, for example, enter the coordinates in Geodetic1 and then select Geodetic1 for the Reference position.
Command line: setpvtmode,static,,auto // Set to static base station mode, automatically obtain position
Command line: setStaticPosGeodetic,Geodetic1,11.1234,22.1234,33.123 // Set Geodetic1 latitude and longitude
setpvtmode,static,,geodetic1 // Set to base station mode and use the position from Geodetic1
setpvtmode,static,,geodetic1 // Set to base station mode and use the position from Geodetic1
- Set RTCMv3 output
Follow the steps outlined in the screenshot above to configure RTCMv3 data output, and set the satellite frequencies used by RTCMv3, as well as the types of RTCMv3 data to be output.
Command line:setRTCMv3Formatting,0,GPSL1CA+GPSL1PY+GPSL2PY+GPSL2C+GPSL5+GLOL1CA+GLOL2P+G
LOL2CA+GLOL3+GALL1BC+GALE5a+GALE5b+BDSB1I+BDSB2I // Set the satellite frequencies used for RTCMv3 output
setRTCMv3Output,usb2,RTCM1006+RTCM1033+RTCM1074+RTCM1084+RTCM1094+RTCM11
24+RTCM1230 // Set RTCMv3 output via the usb2 port
- Enable the port to output RTCMv3 data.
Command line: setDataInOut,USB2,auto,RTCMv3 // Enable RTCMv3 output on USB2 port
- Saving Settings
Whether changes are made in RxControl, via the command line, or through the web interface, the settings need to be saved so that they take effect after a power cycle.
In the RxControl software, you can save the Current configuration to Boot through the File/Copy Configuration interface to ensure it is saved to the startup file.
Command line: eccf,current,boot //save settings
Datalink Program
Function 1: Port Linking and Data Distribution
The Datalink program can establish data links between different connections directly. It can forward data from one port to other connections through Datalink. For example, if there are 6 connections under the Datalink program, it can receive differential data from a serial port or NTRIP on connection1 and then distribute it to other different connections.
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