professional South Galaxy G1 gnss gps rtk

Surveying Performance

Channel

220 Channels

Signal Tracking

BDS B1, B2, B3
GPS L1C/A, L1C, L2C, L2E, L5
GLONASS L1C/A, L1P, L2C/A, L2P, L3
SBAS L1C/A, L5 (Just for the satellites supporting L5)
Galileo GIOVE-A, GIOVE-B, E1, E5A, E5B
QZSS, WAAS, MSAS, EGNOS, GAGAN, SBAS

GNSS Features

Positioning output rate: 1Hz~50Hz
Initialization time: < 10s
Initialization reliability: >99.99%

Positioning Precision

Code Differential GNSS Positioning

Horizontal: 0.25 m + 1 ppm
Vertical: 0.50 m + 1 ppm
SBAS positioning accuracy: typically<5m 3DRMS

Static GNSS Surveying

Horizontal: 2.5 mm + 0.5 ppm
Vertical: 5 mm + 0.5 ppm

Real-Time Kinematic Surveying
(Baseline<30km)

Horizontal: 8 mm + 1 ppm
Vertical: 15 mm + 1 ppm
Horizontal: 8 mm + 0.5 ppm
Vertical: 15 mm + 0.5 ppm

Network RTK

RTK initialization time: 2~8s

Physical

Dimension

12.9 cm×11.2cm

Weight

970g (including installed battery)

Material

Magnesium aluminum alloy shell

Environmental

Operating

-45℃ ~+60℃

Storage

-55℃ ~+85℃

Humidity

Non-condensing

Waterproof/Dustproof

IP67 standard, protected from long time
immersion to depth of 1m
IP67 standard, fully protected against blowing dust

Shock and Vibration

Not operating: Withstand 2 meters pole drop onto
the cement ground naturally
While: Withstand 40G 10 milliseconds sawtooth
wave impact test

Electrical

Power Consumption

2W

Battery

Rechargeable, removable Lithium-ion battery

Battery Life

Single battery: 7h (static mode)
5h (internal UHF base mode)
6h (rover mode)

Communications and
 Data Storage

I/O Port

5PIN LEMO external power port + RS232
7PIN LEMO RS232 + USB
1 network/radio data link antenna port
SIM card slot

Wireless Modem

Integrated internal radio receiver and transmitter 0.5W/2W
External radio transmitter 5W/25W

Working frequency

410-470MHz

Communication protocol

TrimTalk450s, TrimMark3, PCC EOT, SOUTH

Cellular Mobile Network

WCDMA3.5G network communication module,
GPRS/EDGE compatible, CDMA2000/EVDO 3G
optional

Double Module Bluetooth

BLEBluetooth 4.0 standard, support for android,
ios cellphone connection
Bluetooth 2.1 + EDR standard

NFC Communication
(Optional)

Realizing close range (shorter than 10cm) automatic pair between
Galaxy G1 and controller (controller equipped NFC
wireless communication module needed)

Data Storage/Transmission

4GB internal storage, more than 3 years raw observation
data (about 1.4M/day), based on recording from 14 satellites
Plug and play mode of USB data transmission

Data Format

Differential data format: CMR+, CMRx, RTCM 2.1, RTCM 2.3,
RTCM 3.0, RTCM 3.1, RTCM 3.2
GPS output data format: NMEA 0183, PJK plane coordinates,
binary code.
Network model support: VRS, FKP, MAC, supporting NTRIP protocol

Inertial Sensing System
 (Optional)

Tilt Survey

Built-in tilt compensator, correcting coordinates automatically
according to the tilt direction and angle of the centering rod

Electronic Bubble

Controller software display electronic bubble, checking
leveling status of the centering rod real time

User Interaction

Buttons

One-button operation, visual operation, convenient and efficient