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CHC Navigation introduces AT661 GNSS geodetic antenna

June 2, 2020  - By

Cost-effective, high-performance antenna designed for GNSS networks and monitoring applications

Photo: CHC Navigation

Photo: CHC Navigation

CHC Navigation has released the AT661 geodetic antenna for GNSS networks or monitoring applications. The AT GNSS antenna series is the result of years of expertise in GNSS technologies. The compact geodetic GNSS antenna offers performances rivaling those of high-cost and bulky conventional GNSS choke ring antennas, according to CHC Navigation.

The AT661’s supports all current and future GNSS signals, including GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, SBAS and L-band. The antenna features both high-gain LNA and wide beamwidth to provide excellent flexibility in applications requiring low-elevation satellite reception and high availability of GNSS signals, especially in obstructed situations.

“By further integrating the design and manufacture of GNSS antennas, CHC Navigation is broadening its presence as a global provider of GNSS solutions.” said George Zhao, CEO of CHC Navigation. “Mastering the entire GNSS positioning and navigation value chain allows us to deliver the performance our customers demand at the price they expect.”

The accuracy of the antenna’s phase center reaches the millimeter level with extremely high stability and repeatability to ensure perfect processing of GNSS data regardless of the length of the baselines.

Built to last, the AT661 withstands all types of weather, including high and low temperature fluctuations, and is protected by a waterproof radome.

About the Author:


Senior Editor Tracy Cozzens joined GPS World magazine in 2006. She also is editor of GPS World’s newsletters and the sister website Geospatial Solutions. She has worked in government, for non-profits, and in corporate communications, editing a variety of publications for audiences ranging from federal government contractors to teachers.

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