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CHCNAV C220GR2 Antenna

GNSS choke-ring reference-station antenna

GNSS Antennas

The C220GR2 is a high-performance GNSS choke-ring antenna optimised for reference-station applications. With outstanding multipath rejection and a highly stable phase centre, it is built for permanent CORS and high-precision reference networks.

  • Choke-ring multipath rejection
  • Highly stable phase centre
  • Multi-constellation reception
  • Designed for reference stations / CORS
Highlights

Why the CHCNAV C220GR2 Antenna

Reference-station performance

A choke-ring design provides outstanding multipath rejection and a highly stable phase centre for permanent CORS and high-precision networks.

Full-constellation reception

Multi-constellation reception ensures robust, reliable data for continuous reference-station operation.

Specifications

Full specifications

TypeGeodetic GNSS choke-ring antenna
GNSS supportFull GNSS - GPS, GLONASS, BeiDou, Galileo, QZSS
Phase centre accuracy±1 mm
Antenna gain50 dB
Multipath mitigationChoke-ring ground plane (reflected-signal suppression)
Weight / dimensions4.9 kg / 322 x 261 mm
Protection / shockIP67 · MIL-STD-810G
Mounting5/8" thread (pole, pillar or tribrach)

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