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GRX1
GRX1
Click to enlarge

GRX1
GNSS Receiver
 
Sokkia GRX1 brings a new level of versatility and flexibility into precision GNSS positioning applications. Whether it’s used for RTK base or rover, for network RTK rover of even as a static receiver, the GRX1 provides unmatched usability and convenience that increases field work efficient.
 
Fully Scalable Architecture
‧GRX1’s scalable architecture maximizes your return on investment.
‧It allows you to start with an L1 GPS receiver with a minimal initial cost, which can be upgraded to L1 GPS + GLONASS, to L1 / L2 GPS, up to 72-chanel L1 / L2 GPS + GLONASS receiver at any time you need.
 
72 Channels for GPS + GLONASS + SBAS
‧72 channels are available for GPS, GLONASS and SABS signals tracking.
‧Supports GPS L2C signals.
 
Triple Wireless Technologies Inside
Three commonly-used wireless technologies can be integrated into GRX1 receiver.
‧Digital UHF Modem (receiver / transmitter): for RTK base and rover.
‧GSM / GPRS Modem: for network RTK
‧Bluetooth Modem: for controller and other PC (Class 1 long-range specifications)
Internal “UHF modem” and “UHF + GSM / GPRS modem” are available as factory options.
 
Data Collectors
The SHC series data collector incorporates the Spectrum Survey Field software that fully controls the GRX1 receiver with unsurpassed ease and speed.
 
SHC250
The compact data collector SHC250 features quick and easy operation fully utilizing the latest Window Mobile 6.5, high-speed processor and large touch screen display.
‧Windows Mobile Version 6.5
‧806MHz XScale processor
‧3.7” VGA touch screen display
‧Built-in Bluetooth modem
‧IP66 dust-/water protection
 
SHC2500
The advanced data collector SHC2500 integrates full alphanumeric keyboard and a wide array of features in a rugged waterproof body.
‧Windows CE.NET 5.0
‧624MHz XScale processor
‧3.5” QVGA touch screen display
‧Built-in Bluetooth modem
‧IP67 dust-/water protection
‧5MP digital camera
 
Specifications
Tracking capability
 
Number of channels
72 chanels
Tracked signals
GPS
L1 CA, L1/L2 P-code, L2C
 
GLONASS
L1/L2 CA, L1/L2 P-code
 
SBAS
WAAS, EGNOS, MSAS
Positioning accuracy
 
Static
L1+L2
H: 3mm + 0.5ppm V: 5mm + 0.5ppm
 
L1 only
H: 3mm + 0.8ppm V: 4mm + 1ppm
Fast static
L1+L2
H: 3mm + 0.5ppm V: 5mm + 0.5ppm
Kinematic
L1+L2
H: 10mm + 1ppm V: 15mm + 1ppm
RTK
L1+L2
H: 10mm + 1ppm V: 15mm + 1ppm
DGPS
< 0.5m
User interface
 
Operation
Single-button operation for power, receiver reset, memory initialization
Display panel
22 LED status indicators
Voice navigation
Multi-lingual voice messages for receiver status information
Data management
 
Memory
SD/SDHC card (FAT16/32 formats)
Data format
RTCM SC104 2.1/2.2/2.3/3.0/3.1, CMR, CMR+, NMEA, TPS
Update/ output rate
1Hz, 5Hz, 10Hz, 20Hz
Communication port
RS-232C (4,800 to 115,200 bps)
Wireless communication
 
Bluetooth modem
V.1.1, Class 1, 115,200 bps
Digital UHF modem
Internal receiver (RX) and transmitter (TX), 410 to 470 MHz
GSM/ GPRS modem
Internal
Environmental
 
Dust and water protection
IP67 (IEC60529:2001) at closing all connector caps.
Protected against temporary immersion up to 1m depth.
Shock
2m pole drop
Physical
 
Enclosure
Magnesium alloy housing
Size
Dia. 184 x H 95mm
 

This product was added to our catalog on Wednesday 06 January, 2010.
 
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