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Topcon G3-A1 Micro Centered GPS Antenna System

The Topcon G3-A1 has reached End of Life (EOL).



The Topcon G3-A1 Micro Centered GPS Antenna System is built to support all current GPS signals including L5 as well as planned Galileo system frequencies. It also supports all GNSS signals current and planned. At an affordable price, the antenna is the leading robust economy antenna designed with optional features – a ground plane and radome kit – that can be incorporated to form an economy reference station antenna that will last for years to come.


  • Triple Constellation Capable
  • Micro-centered Design
  • Highly-efficient multipath reduction
  • Robust economy antenna
  • Optional Reference Station Features


The Triple Constellation Capable G3-A1 Antenna System supports L1, L2, and L5 frequencies utilized by GPS as well as GLONASS L1 and L2 bands and Galileo.

  • L5 GPS


The G3-A1 micro centered GPS antenna system from Topcon 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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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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