GPS Geodetic HI-Target V30 Dual Frequency GNSS RTK System

PERFORMANCE SPECIFICATIONS

MEASUREMENTS
• 220 Channels
• Advanced Pacific Crest Maxwell 6 Custom Survey GNSS Technology
• High precision multiple correlator for GNSS pseudo range measurements
• Unfiltered, unsmoothed pseudo range measurements data for low noise, low multipath error, low time domain correlation and high dynamic response
• Very low noise GNSS carrier phase measurements with • Signal-to-Noise ratios reported in dB-Hz
• Proven Pacific Crest low elevation tracking technology
Satellite signals tracked simultaneously
GPS: Simultaneous L1C/A, L2C, L2E, L5
GLONASS: Simultaneous L1C/A, L1P, L2C/A (GLONASS M only), L2P
SBAS: Simultaneous L1 C/A, L5
Galileo: Simultaneous L1 BOC, E5A, E5B, E5AltBOC[i]
BeiDou (Compass): B1, B2[ii]
QZSS: L1 C/A, L1 SAIF, L2C, L5

POSITIONING PERFORMANCE[iii] 

Static and Fast Static GNSS surveying
Horizontal: 2.5mm+0.5ppm RMS
Vertical: 5mm+0.5ppm RMS

Post Processing Kinematic
(PPK / Stop & Go) GNSS surveying
Horizontal: 1cm+1ppm RMS
Vertical: 2.5cm+1ppm RMS
Initialization time: typically 10 minutes for base while 5 minutes for rover
Initialization reliability: typically > 99.9%

Realtime Kinematic(RTK) surveying
Horizontal: 8mm+1ppm RMS
Vertical: 15mm+1ppm RMS
Initialization time: typically < 8 second
Initialization reliability: typically > 99.9%

Code Differential GNSS positioning
Horizontal: 25cm+1ppm RMS
Vertical: 50cm+1ppm RMS
SBAS[iv]: 0.50m Horizontal, 0.85m Vertical

HARDWARE

Physical
Dimensions (W x H): 19.58cm x 10.75cm (7.71 in x 4.23 in)
Weight: 1.3kg (2.86lb) with internal battery, internal radio, standard UHF antenna
Operating temperature: -40℃ to +65℃ (-40℉ to +149℉)
Storage temperature: -40℃ to +75℃ (-40℉ to +167℉)
Humidity: 100%, considering
Water/dustproof: IP67 dustproof, protected from temporary immersion to depth of 1m (3.28ft).
Shock and Vibration: Designed to survive a 3m(9.84ft) nature fall onto concrete.

Electrical
Power 6V to 28V DC external power input
Automatic Switching between internal power and external power
Rechargeable, removable 7.4V, 4400mAh Lithium-Ion battery in internal battery compartment

Internal battery life
Static 13 – 15 hours
RTK Rover (UHF/GPRS/3G) 10 – 12 hours
RTK Base 8 – 10 hours

COMMUNICATION AND DATA STORAGE

Bluetooth
Standard USB2.0 port
Serial: 2 RS232 port, 8pin and 5pin

GPRS or 3G
Fully integrated, fully sealed internal GPRS or 3G module
Network RTK (via CORS) range 20-50km

HI-TARGET internal UHF radio (standard)
Frequency: 460 MHz with 116 channels
Transmitting power: 0.1W, 1W, 2W adjustable
Transmitting Speed: Up to 19.2Kbps
Working range: 3~5Km typical, 8~10km optimal

Pacific Crest ADL Foundation internal UHF radio
Frequency: 390~430 MHz or 430~470 MHz
Transmitting Power: 0.1W, 0.5W, 1W adjustable
Transmitting Speed: Up to 19.2Kbps
Support most of radio communication protocol
Working range: 3~5km typical, 8~10 optimal

HI-TARGET External UHF radio (standard)
Frequency: 460 MHz with 116 channels
Transmitting power: 5W, 10W, 20W, 30W adjustable
Transmitting Speed: Up to 19.2Kbps
Working Range: 8~10Km typical, 15~20km optimal

Pacific Crest ADL Vantage Pro External UHF radio
Frequency: 390~430 MHz or 430~470 MHz
Transmitting Power: 4W to 35W adjustable
Transmitting Speed: Up to 19.2Kbps
Support most of radio communication protocol
Working Range: 8~10Km typical, 15~20km optimal

Support other external communication device
For example, external GSM modem.

Data storage
64MB internal memory

Data Formats
CMR: CMR+, CMRx input and output
RTCM: RTCM 2.1, 2.2, 2.3, 3.0, 3.1 input and output
Other Outputs: NMEA-0183, Binary GSOF output