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May 7, 2018
Delair Selects Septentrio AsteRx-m2 for New UX11 Large-Area Mapping UAV

Leuven, Belgium – GNSS receiver manufacturer Septentrio has been selected to supply its high-precision AsteRx-m2 GNSS OEM receiver module and PPK library for use with Delair’s UX11- a lightweight, BVLOS-ready fixed-wing mapping drone. The combination of on-board processing capabilities, real-time control, and centimetre-level precision make it the most cost-effective solution for large area surveying and mapping.

By employing the latest high-spec photographic, sensor and communications elements, Delair has kept the weight of the UX11 including payload down to an impressive 1.4 kg (3.1 lbs). Among other design innovations, this allows the UX11 to cover 200 ha (500 acres) in a single one-hour flight, delivering mapping with GSDs below 1 cm/px (0.4 in/px) with accuracy down to 1.27 cm (0.5 in). A 3G/4G network link to the UX11 allows the operator to assess in real-time, the quality and overlap of images during flight and make any necessary adjustments to the settings of the integrated camera meaning collecting as many aerial intelligence as possible, in a minimum number of flights. The UAV also features BTOL (bird-like take-off and landing) for steep-climb take offs and descents in confined areas.

The AsteRx-m2 is the best fit for the UX11. It delivers high-precision multi-frequency quad-constellation GNSS measurements for PPK (Post-Processed-Kinematic) for only 28g and the lowest power consumption of any comparable device on the market.

The combination of high-quality camera images and GNSS measurements from the AsteRx-m2 allows Delair to offer its users PPK survey-grade ground precision down to 1 cm. With Delair’s PPK software, powered by Septentrio’s GeoTagZ PPK library, users only pay for the precision they need and on a flexible pay-as-you-go basis.  

“With the AsteRx-m2, we can offer wide-area coverage at ultra-high precision, explains Chase Fly, Geospatial Product Manager at Delair. He continues “The Delair UX11 sets a new standard of efficiency, cost and quality in a long-range UAV platform. The drone itself is truly state-of-the-art in its design and construction, and it enables industry-leading performance and flight range, as well as streamlined maintenance, advantages that all reduce costs. The integrated processing capabilities are able to ensure image quality in real time and provide users with accurate results that shape critical operational decisions and strategies. And it’s designed for flexible use in a variety of conditions and use models, further lowering TCO.”

The AsteRx-m2 features Septentrio’s proprietary GNSS+ suite of positioning algorithms to convert difficult environments into good positioning:

LOCK+ technology to maintain tracking during the heavy dynamic vibration typical of UAV flights, APME+ to combat multipath and IONO+ technology to ensure position accuracy during periods of elevated ionospheric activity. The AsteRx-m2 also features AIM+ interference mitigation and monitoring system which can suppress the widest variety of interferers, from simple continuous narrowband signals to the most complex wideband and pulsed jammers. AIM+ can diagnose self-interference from other electrical or electronic devices onboard the UAV as well as mitigating external interference during operational flights.

“Driven by the explosion in the number and variety of drone applications, drone technology has advanced leaps and bounds in recent years and Delair have been right at the heart of the action. With their focus on innovation and a commitment to providing the very highest quality products, Delair and Septentrio are true kindred spirits and we’re proud to be part of the UX11 project,” said Gustavo Lopez, Product Manager at Septentrio.
More Info:
High Res Images: Septentrio AsteRx-m2  – Delair UX11
Product Pages: Septentrio AsteRx-m2Delair UX11


About Delair:
Delair is a leading provider of drone-based solutions that enable enterprises to monitor and digitize their physical assets from the air and turn the collected data into valuable business insights. Its solutions are used globally by customers in industries such as utilities, construction, agriculture, transportation, mining and oil and gas. The company is one of the world’s most experienced providers of industrial drone solutions, combining its high performance, long range UAV hardware with sophisticated analytics technology and operational services. A strategic partnership with Intel and its Intel Insight initiative is driving the two companies toward the industry’s most scalable platform for drone imagery storage and business intelligence.

Founded in 2011 by experts in the aerospace industry, the company is headquartered in Toulouse, France, and has offices in Ghent, Belgium, Los Angeles and Singapore. Its solutions are sold in more than 70 countries by a network of resellers. For more information about Delair and its brand-new generation of beyond-visual-line-of-sight (BVLOS) drones with 3G/4G communications, go to

About Septentrio:
Septentrio designs, manufactures and sells high-precision, multi-frequency, multi-constellation GPS/GNSS equipment for use in demanding applications. Septentrio products are used in a wide variety of industries including marine, construction, agriculture, survey and mapping, geographic information systems (GIS) and unmanned aerial vehicles (UAVs). Septentrio receivers deliver consistently accurate and precise GNSS positioning scalable to centimetrelevel and designed to perform solidly in the most challenging environments. Septentrio receivers are available as OEM boards, housed receivers and smart antennas.

Septentrio is committed to providing products that are easy to use and straightforward to integrate into existing setups and workflows. A team of experienced application engineers in Europe, North America and Asia are on hand to assist users at every step of their integration journey and for the lifetime of the product afterwards. Septentrio is headquartered in Leuven, Belgium and has offices in Torrance, California, and Hong Kong as well as partners around the world. To learn more about Septentrio and its products, visit:

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