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Stonex SA3G+C GNSS Reference Antenna


The Stonex SA3G+C is a compact but high performance GNSS reference antenna, comparable to a choke ring antenna. It is able to track all constellations GPS, GLONASS, Galileo and BeiDou as well as L-band corrections.



The Stonex SA3G+C is a compact but high-performance GNSS reference antenna, comparable to a choke ring antenna. It is able to track all constellations GPS, GLONASS, Galileo and BeiDou and to receive the L-band correction.

The SA3G+C has the same phase center for all GNSS signals by one-layer technique and a precision of ± 1mm. It is compatible with all GNSS geodetic receivers on the market and can be used for all static and kinematic measurement applications. It is also an excellent solution to be used for the realization of CORS and Network GNSS.

The SA3G+C is ultra light, with a weighs of only 400 g it is the lightest in its category, but at the same time it is extremely robust thanks to the IP69 and MIL-STD-810G certification.

The SA3G+C antenna is manufactured in Germany and it is one of the best in the world.


  • High performance comparable choke ring antenna
  • Tracks all constellations + L-band corrections
  • Lightweight
  • Compact
  • Rugged

Technical Specifications

GPS: L1, L2, L5
BeiDou: B1, B2, B3
Galileo: E1, E2, E5a, E5b, E6
SBAS: L1, L5
L-Band: Yes
Nominal Impedance: 50Ω
Polarization: RHCP
Axial Ratio: ≤2dB
LNA Gain: 48db
Noise Figure: ≤2dB
Phase Center Stability: ±1 mm
Output/Input VSWR: 1.5
Operation Voltage: +3.3VDC to +20VDC
Operating Current: <50mA
Group Delay Ripple: ≤5ns
Dimensions: 172 mm x 172 mm x 72 mm
Weight: 400 g
Operating Temperature: -45°C to 75°C (-49°F to 167°F)
Storage Temperature: -55°C to 85°C (-67°F to 185°F)
Protection Class: IP69
Drop: 1.5 m drop resistant


The SA3G+C GNSS reference antenna from Stonex is available through TerrisGPS. If you would like more information regarding this product, feel free to get in touch with us by completing the Request Pricing form.

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