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Technical Parameters

Measurements

220 tracking 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 <1 mm precision in a 1 Hz bandwidth

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

BDS: B1, B2

QZSS: L1 C/A, L1 SAIF, L2C, L5

Positioning

Accuracy

Static and Fast Static GNSS surveying

Horizontal: 2.5mm+0.5ppm RMS

Vertical: 5mm+0.5ppm RMS

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 seconds

Initialization reliability: typically > 99.9%

Code Differential GNSS positioning

Horizontal: 25cm+1ppm RMS

Vertical: 50cm+1ppm RMS

SBAS[iv]:0.50mHorizontal,0.85m Vertical

Hardware

Physical

1.Dimensions (W x H): 19.50cm x 10.40cm(7.68 in x 4.09 in)

2.Weight: 1.3kg (2.86lb) with internal battery, internal radio, standard UHF antenna

3.Operating temperature: -45℃to +65℃ (-49℉ to +149℉)

4.Storage temperature: -55℃ to +85℃(-67℉ to +185℉)

5.Humidity: 100%, considering

6.Water/dustproof: IP67 dustproof, protected from temporary

7.immersion to depth of 1m (3.28ft).

8.Shock and Vibration: Designed to survive a 3m(9.84ft) natural fall onto concrete.

9. Storage: 64M

Electrical

1.Power 6V to 28V DC external power input

2.Power consumption 2.5W

3.Automatic Switching between internal power and external power

4.Rechargeable, removable 7.4V, 5000mAh Lithium-Ion battery in internal battery compartment

5.Internal battery life, Static 13 - 15 hours, RTK Rover (UHF/GPRS/3G) 10 - 12 hours and RTK Base 8 - 10 hours

Communication

GPRS/GSM or 3G

Fully integrated, fully sealed internal GPRS/GSM or 3G Network RTK (via CORS) range20-50km

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

PacificCrest XDL micro Internal UHF Radio

(Optional)

Frequency: 403~473 MHz

Transmitting Power: 0.5W, 1.0W, 2.0W adjustable

Transmitting Speed: Up to 19.2Kbps

Support most of radio communication protocol

Working Range: 3~5km typical, 8~10km 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

(Optional)

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