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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
| Type | Geodetic GNSS choke-ring antenna |
|---|---|
| GNSS support | Full GNSS - GPS, GLONASS, BeiDou, Galileo, QZSS |
| Phase centre accuracy | ±1 mm |
| Antenna gain | 50 dB |
| Multipath mitigation | Choke-ring ground plane (reflected-signal suppression) |
| Weight / dimensions | 4.9 kg / 322 x 261 mm |
| Protection / shock | IP67 · MIL-STD-810G |
| Mounting | 5/8" thread (pole, pillar or tribrach) |
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