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CR3

Choke Ring GNSS Antenna

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  • The South CR-3 UHG provides a stable phase centre offsets at sub-millimetre level to guarantee your reference station an excellent tracking performance.

 

  • Choke rings design inside the antenna helps achieve an outstanding multipath rejection performance.

 

  • High-gain design for low elevation tracking enhances signal availability for more satellites.

 

  • Ultralow line loss on signal transmissions, enables connecting cable extend more than 100 meters carrying undamaged signals.

 

  • Fully sealed core components, waterproof and dustproof design, make it withstand severe conditions for continuous work in the field
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Specification

Minimum tracking elevation

Practical tracking elevation

Frequency Range

GPS: LI/L2/L5              QZSS: L1/12C/L5
GLONASS: L1/L2         SBAS: L1 C/A/L5
BDS: B1/B2/B3
GALILEO: E1/E2/E5a/E5b/E6, Alt BOC

Supported SBAS signal bands

WAAS/EGNOS/MSAS/GAGAN

Phase-centre accuracy

2mm

Phase-centre repeatability

<1mm

Maximum phase-centre eccentricity

2mm

Antenna gain

65db

LNA features

Advanced filtering to reduce interference by high
power out-of-band transmitters

LNA gain

50±2dB

Supply voltage

3V DC to 18V DC

Supply current (maximum)

40MA

Dimension

322*261mm

Element type

Micro stripe antenna

Polarization

RHCP

Axial ratio

2db at Zenith

Voltage standing wave ratio

2.0 maximum

Left-hand circular polarization

20db

Multipath mitigation technologies

LHCP rejection and 1/4 wave choke ring ground plane

Ground plane design

1/4 wave choke ring

Coaxial connector

TNC female

Shock rating

1m(3.28 ft.) drop

Vibration rating

4.3 GRMS, random vibration profile; Z axis only

Humidity

95%

Operating temperature.

-50 °C to +85 °C (-58 °F to 185 °F)

Storage temperature

-65 °C to +85 °C (-85 °F to 185 °F)

Mounting thread

5/8”x11 Female

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