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Septentrio Unveils AntaRx-Si3 with Enhanced RTK Positioning and Multipath Mitigation
This new GNSS/INS receiver uses FUSE+ technology to combine Septentrio's renowned high-accuracy GNSS positioning with an industry-leaning IMU, in the same enclosure as the GNSS antenna
Septentrio Unveils AntaRx-Si3 with Enhanced RTK Positioning and Multipath Mitigation
by Robert Schreiber
Leuven, Belgium (SPX) Feb 06, 2024

Septentrio, a leader in high-precision GNSS technology, recently announced the launch of its latest smart antenna, AntaRx-Si3. This innovative product is designed to deliver high-accuracy positioning with exceptional availability and integrity, catering especially to after-market upgrades with minimal installation effort. Danilo Sabbatini, the Product Manager of GNSS/INS at Septentrio, emphasized the ease of installation and the added benefit of being able to remove the component to safeguard against theft or vandalism.

The AntaRx-Si3 stands out for its robust design, capable of operating in the most challenging field environments. Encased in an impact-resistant polycarbonate IP69K housing, it is engineered to withstand significant shocks and vibrations. This resilience is crucial for outdoor machinery applications, where durability directly impacts operational reliability.

A noteworthy feature of the AntaRx-Si3 is its integrated 4G cell modem, eliminating the need for additional modem integration to access high-accuracy corrections. This multi-frequency receiver employs Septentrio's field-proven RTK (Real-Time Kinematic) positioning technology, ensuring centimeter-level accuracy critical for a wide range of precision-dependent tasks.

Advanced GNSS+ algorithms bolster the AntaRx-Si3's performance, offering superior multipath mitigation. This capability is essential for uninterrupted operation in environments where satellite signals may be reflected off nearby structures, such as machinery or high-rise silos. The antenna's ability to deliver high-update-rate positioning with low latency is particularly beneficial for autonomous movement or rotation control loops, where every millisecond counts.

Septentrio's commitment to advancing GNSS/INS technologies is evident in the AntaRx-Si3's development. The antenna is a testament to the company's expertise in creating solutions that address the nuanced demands of navigating and positioning in complex environments.

Interested parties can learn more about the AntaRx-Si3 and other GNSS/INS solutions by contacting the Septentrio team. Additionally, Septentrio invites industry professionals to meet their GNSS experts at the upcoming World FIRA 2024 in Toulouse, France, from February 6-8, providing an excellent opportunity for hands-on demonstrations and in-depth discussions about the latest in GNSS technology.

The Global Navigation Satellite System (GNSS) underpins the functionality of devices like the AntaRx-Si3, leveraging constellations such as the American GPS, European Galileo, Russian GLONASS, Chinese BeiDou, Japan's QZSS, and India's NavIC.

These systems are pivotal in delivering the positioning information that GNSS receivers use to calculate precise locations, demonstrating the global collaboration and technological innovation driving the industry forward.

Global Navigation Satellite System including the American GPS, European Galileo, Russian GLONASS, Chinese BeiDou, Japan's QZSS and India's NavIC. These satellite constellations broadcast positioning information to receivers which use it to calculate their absolute position.

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