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  • Mar 30, 2022
  • Comments Off on Septentrio GNSS receivers to support the CLAS centimeter positioning service in Japan
  • Headlines, News

March 30th, 2022
Septentrio GNSS receivers to support the CLAS centimeter positioning service in Japan

Leuven, Belgium – March 30, 2022 – Septentrio, a leader in high-precision GNSS* positioning solutions, has launched three new products: mosaic-CLAS, AsteRx-m3 CLAS and AsteRx SB3 CLAS, which support Japan’s high-accuracy Centimeter Level Augmentation Service (CLAS). These multi-frequency GNSS receivers support CLAS on a single device, thanks to the latest GNSS technology which receives the L6 signal, which transmits high-accuracy corrections from Japan’s QZSS** constellation. This technology was developed in close cooperation with CORE, a leading integrator of high-accuracy positioning technology and services in Japan.

The mosaic-CLAS receiver is a GNSS module with a very small form-factor ideal for high volume industrial applications. The AsteRx-m3 CLAS is the best-in-class OEM board combining PPP-RTK CLAS with dual-antenna heading functionality. The AsteRx-SB3 CLAS features a ruggedized IP68 enclosure to protect it in harsh environments. Septentrio is simultaneously offering various receiver types to the Japanese market ensuring an optimal match between products and customer needs in various applications including robotics, precision agriculture, construction, machine control as well as UAV.


“We are very pleased to jointly develop CLAS software on a new GNSS module, mosaic-CLAS. This receiver puts CLAS GNSS technology on par with regular RTK receivers in terms of size as well as price. We believe that the realization of CLAS on the Septentrio mosaic platform will significantly promote the use of QZSS new services for industrial applications,” emphasized Takahiro Yamamoto, Director GNSS Solution Business Center at CORE Corporation.


“The launch of our new module and OEM board with CLAS support opens up new markets and use cases, which will benefit from centimeter-level positioning with fast acquisition time. This launch demonstrates the technological leadership of Septentrio and our ability to provide dedicated solutions embedding L6 bands for the Japanese market,” commented François Freulon, Head of Product Management at Septentrio.


The CLAS PPP-RTK is the latest generation of GNSS correction services, combining near-RTK accuracy and quick initialization times with the broadcast nature of PPP. Receivers with built-in CLAS functionality offer sub-decimetre positioning accuracy right out of the box. Corrections for high-accuracy positioning are received directly from satellites, reducing the need for additional base stations or service subscriptions. Find out more about PPP-RTK and other positioning correction methods in the insight article: GNSS Correction Demystified. For more information about mosaic-CLASAsteRx-m3 CLASAsteRx SB3 CLAS please contact Septentrio.


* 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.

** Quasi-Zenith Satellite System is a Japanese dedicated Global Navigation Satellite System servicing the Japan region, this system is also often referred to as Michibiki in Japan


About Septentrio:

Septentrio designs and manufactures multi-frequency multi-constellation GPS/GNSS positioning technology for demanding applications. Reliable centimeter-level positioning enables machine automation improving efficiency and safety. Septentrio provides positioning solutions for industrial applications such as robotics, construction, survey and mapping, maritime, logistics and unmanned aerial vehicles (UAVs).


Septentrio has its headquarters in Leuven, Belgium and has a world-wide presence with offices in Los Angeles, Shanghai, Seoul and Yokohama as well as numerous partners around the world. To learn more about Septentrio and its products, visit


About CORE:

CORE started embedded software development business in 1969 when embedded devices equipped with microcomputers were just being introduced. The company has been providing customer-oriented services to a wide range of industries and businesses as a “solution manufacturer” by developing ICT services utilizing its network of independent and nationwide offices. The company is working to solve customers’ problems and realize their ideals by co-creating “new values” with customers using the technology and know-how cultivated in embedded software development, which has been its business since its foundation, and its abundant human resources, experience and achievements gained through years of operations. For more information, please visit