A31 GPS Beacon Antenna

Hemisphere A31 GPS Beacon Antenna

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The A31 GPS Beacon Antenna from Hemisphere GNSS has reached End of Life (EOL). Please contact us to determine the best replacement product for your application.



The A31 GPS Beacon Antenna is a single-frequency antenna from Hemisphere GNSS that tracks GPS L1 and Beacon signals and supports differential correction services such as SBAS and L-Band (OmniSTAR) services. It provides excellent noise rejection and is capable of filtering out an extra 30 decibels of radio band frequencies. Furthermore, the A31 antenna offers enhanced multipath mitigation and can reduce interferences that are caused by signals being reflected off surfaces such as trees, windows of buildings and ground.

The A31 antenna is specifically designed for Hemisphere GPS Crescent receiver and Hemisphere GPS Crescent Vector II receiver.


  • Support correction services such as SBAS, L-Band (OmniSTAR)
  • Aluminum base
  • Excellent noise reduction
  • Enhanced multipath mitigation
  • Rugged design

Technical Specifications

Channels:GPS L1, Beacon, L-Band and SBAS
Dimensions:14.5 cm (diameter) x 10.4 cm (height)
Weight:0.73 kg
Mount:One-inch coarse thread
Connector:TNC (RF)
Operating temperature:-40 °C to +85 °C
Vibration and shock resistance:EP455


The A31 GPS Beacon antenna from Hemisphere GNSS is available through Canal Geomatics. For further information, please use the Request Pricing form to contact.

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