3D Choke Ring • Sub-Millimeter Accuracy
Geodetic Choke Ring
GrAnt Series
The GrAnt Series choke ring antenna is designed for continuous CORS reference stations, seismic monitoring, and scientific geodesy. Features an anodized 3D ground plane choke ring to eliminate signal multipath reflections.
✓3D Choke Ring Ground Plane (Multipath Rejection > 30 dB)
✓Sub-Millimeter Phase Center Stability across all frequencies
✓Heavy-Duty Anodized Weatherproof Aluminum Base
✓Integrated High-Gain Low Noise Amplifier (LNA)
ENGINEERING EXCELLENCE
Key Technology Pillars
Scientific Geodesy Standard
Trusted by national CORS reference networks and seismic observatories for zero multipath contamination.