Galaxy G3
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Galaxy G3

Galaxy G3



GNSS FeaturesChannels1598
GPSL1, L1C, L2C, L2P, L5
BDS-3: B1I, B3I, B1C, B2a, B2b*
QZSSL1, L2C, L5*
Positioning output rate1Hz~20Hz
Initialization time< 10s
Initialization reliability> 99.99%
Positioning PrecisionCode differential GNSS positioningHorizontal: 0.25 m + 1 ppm RMS
Vertical: 0.50 m + 1 ppm RMS
Static(long observations)Horizontal: 2.5 mm + 1 ppm RMS
Vertical: 3 mm + 0.4 ppm RMS
StaticHorizontal: 2.5 mm + 0.5 ppm RMS
Vertical: 3.5 mm + 0.5 ppm RMS
Rapid staticHorizontal: 2.5 mm + 0.5 ppm RMS
Vertical: 5 mm + 0.5 ppm RMS
PPKHorizontal: 3 mm + 1 ppm RMS
Vertical: 5 mm + 1 ppm RMS
RTK(UHF)Horizontal: 8 mm + 1 ppm RMS
Vertical: 15 mm + 1 ppm RMS
RTK(NTRIP)Horizontal: 8 mm + 0.5 ppm RMS
Vertical: 15 mm + 0.5 ppm RMS
RTK initialization time2 ~ 8s
SBAS positioningTypically < 5m 3DRMS
BANDA-LHorizontal: 5-10cm (5-30min)
Vertical: 10-30cm (5-30min)
IMULess than 10mm + 0.7 mm/° tilt to 30°
IMU tilt angle0° ~ 60°
Hardware PerformanceDimension130mm(W) ×130mm(L) × 80mm(H)
Weight790g (battery included)
MaterialMagnesium aluminum alloy shell
Operating temperature-45℃ ~ +65℃
Storage temperature-45℃ ~ +85℃
Humidity100% Non-condensing
Waterproof/DustproofIP68 standard, protected from long time immersion to depth of 1m IP68 standard, fully protected against
blowing dust
Shock/VibrationWithstand 2 meters pole drop onto the cement ground naturally
Power supply6-28V DC, overvoltage protection
BatteryInbuilt 7.2V 6800mAh rechargeable, Li-ion battery
Battery life15h (Rover Bluetooth mode)
CommunicationsI/O Port5-PIN LEMO external power port + RS232 Type-C (charge, OTG to USB disk, data transfer with PC or phone, Ethernet)
1 UHF antenna TNC interface
Internal UHF2W radio, receive and transmit, radio router and radio repeater
Frequency range410 - 470MHz
Communication protocolFarlink, Trimtalk450s, SOUTH, HUACE, Hi-target, Satel
Communication rangeTypically 8km with Farlink protocol
NFC CommunicationRealizing close range (shorter than 10cm) automatic pair between receiver and controller (controller requires NFC wireless communication module else)
BluetoothBluetooth 3.0/4.1 standard, Bluetooth 2.1 + EDR
WIFIModem802.11 b/g standard
WIFI hotspotAP mode, Receiver broadcasts its hotspot form web UI accessing with any mobile terminals
WIFI datalinkClient mode, Receiver can transmit and receive correction data stream via WiFi datalink
Data Storage/TransmissionStorage4GB SSD Automatic cycle storage (The earliest data files will be removed automatically while the memory is not enough)
Support external USB storage
Data transmissionPlug and play mode of USB data transmission
Supports FTP/HTTP data download
Data formatStatic data format: STH, Rinex2.01, Rinex3.02 and etc.
Differential format: RTCM 2.3, RTCM 3.0, RTCM 3.1, RTCM 3.2
GPS output data format: NMEA 0183, PJK plane coordinate, SOUTH Binary code
Network model support: VRS, FKP, MAC, fully support NTRIP protocol
SensorsElectronic bubbleController software can display electronic bubble, checking leveling status of the carbon pole in real-time
IMUBuilt-in IMU module, calibration-free and immue to magnetic interference
ThermometerBuilt-in thermometer sensor, adopting intelligent temperature control technology, monitoring and adjusting the receiver temperature
User InteractionOperating systemLinux
ButtonsOne button
Indicators5 LED indicators(Satellite, Charging, Power, Datalink, Bluetooth)
Web interactionWith the access of the internal web interface management via WiFi or USB connection, users are able to monitor the receiver status and change the configurations freely
Voice guidanceIt provides status and operation voice guidance, and supports Chinese/English/Korean/Spanish/Portuguese/Russian/Turkish
Secondary developmentProvides secondary development kit, and opens the OpenSIC observation data format and interaction interface definition
Cloud serviceThe powerful cloud platform provides online services like remote manage, firmware update, online register and etc.

Items marked with * will be upgraded with the update of the firmware version The data comes from the SOUTH GNSS product laboratory, and the specific situation is subject to local actual usage. The measurement accuracy, precision and reliability are associated to various factors, including number of satellite tracking, observation time, multi-path, etc.