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KITSBG

SBG Ellipse D Kit

The SBG Ellipse D kit is a compact and robust GNSS inertial navigation system (INS), integrating a dual-antenna multi-band L1/L2 receiver for RTK accuracy of 0.01 m and stable heading.

Model: Ellipse D

Ellipse A Ellipse D

Configuration: Complete kit

Standalone display unit Complete kit

Retail priceBenefit from the professional rate

£6,608.65 GBP

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In stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

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Technical specifications

Package contents

SBG Ellipse-D Marine INS, SBG Ellipse D GNSS Triple-band Antenna, PSM SMA to TNC LMR240 Adapter Cable

Detailed description

The SBG Ellipse D kit is a compact and robust GNSS inertial navigation system (INS) designed to provide reliable heading, position, and heave data, even in the most demanding marine environments. This kit includes the SBG Ellipse-D Marine INS, an SBG Ellipse D triple-band GNSS antenna, and an SMA to TNC LMR240 adapter cable, forming a complete solution for applications requiring optimal precision and stability.

Precision and Robustness in Navigation

The core of the kit, the Ellipse-D, stands out with its dual-antenna multi-band (L1/L2) GNSS receiver and advanced sensor fusion algorithm. It supports GPS, GLONASS, GALILEO, BeiDou, QZSS, and SBAS constellations, offering RTK (Real-Time Kinematic) capability with horizontal accuracy of 0.01 m + 1 ppm and vertical accuracy of 0.02 m + 1 ppm. This performance surpasses single-point systems (1.2 m horizontal, 1.5 m vertical) and ensures reliable navigation even during GNSS outages thanks to the integration of inertial data with external sensors such as DVL or odometers.

Stable Heading and Orientation

Unlike the Ellipse-N, which lacks dual-antenna capability, the Ellipse-D provides precise and stable heading (0.2° in RTK, 0.1° in PPK) even in static or challenging conditions, thanks to its dual-antenna configuration. Roll and pitch accuracies are 0.05° in RTK and 0.03° in PPK. The system integrates 3 capacitive MEMS accelerometers, 3 high-performance MEMS gyroscopes, and a 3-axis magnetometer, all calibrated for optimal performance across a temperature range of -40°C to +85°C. The sensor’s housing measures 46 x 45 x 32 mm and weighs 65 g, with an IP68 rating for dust and water resistance.

Expert opinion

Pol CONIN

Digital Manager

« SBG Ellipse D: Compact inertial precision for extreme environments »

The SBG Ellipse D kit is a cutting-edge GNSS inertial navigation solution for demanding marine and industrial professionals. Its main advantage lies in the integration of a dual-antenna multi-band GNSS receiver, ensuring RTK horizontal accuracy of 0.01 m and a remarkably stable heading of 0.2° in RTK, even in static phases. This dual-antenna capability is crucial for applications such as hydrography, USVs, or stabilized antenna systems, where orientation precision is as important as position accuracy.

The system's robustness is ensured by an IP68 housing and an extended operating temperature range from -40°C to +85°C, making the Ellipse D suitable for harsh marine environments. The advanced sensor fusion algorithm, combining data from the IMU, GNSS, and external sensors such as DVL or odometers, maintains reliable positioning even during GNSS signal loss—a strategic advantage in complex areas (under bridges, in dense forests). Integration via RS-232, RS-422, USB, and CAN facilitates deployment in various system architectures. Compatibility with Qinertia software for data post-processing further offers unparalleled precision for critical studies. This kit is a judicious choice for integrators and end-users seeking a compact, high-performance, and reliable solution for navigation and motion compensation.

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SBG Ellipse D Kit

£6,608.65 GBP

Frequently Asked Questions

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Which components are included in the SBG Ellipse D kit?

The SBG Ellipse D kit includes the following components:

An SBG Ellipse-D Marine inertial navigation system (INS).A triple-band SBG Ellipse D GNSS antenna.A PSM SMA to TNC LMR240 adapter cable.

What is the horizontal positioning accuracy of the SBG Ellipse D RTK kit?

The SBG Ellipse D RTK kit provides a horizontal positioning accuracy of 0.01 meters. For roll/pitch in RTK, the accuracy is 0.05°, and for heading in RTK, it is 0.2°.

Is the SBG Ellipse D kit suitable for marine use?

Yes, the SBG Ellipse D kit is designed for demanding marine environments. The Ellipse-D housing version is IP68 certified, making it resistant to dust and water. It also features an auto-adjusting heave function with a precision of 5 cm or 5% (whichever is greater) for wave periods ranging from 0 to 20 seconds.

Which GNSS constellations are supported by the SBG Ellipse D?

The SBG Ellipse D supports multiple GNSS constellations on L1 and L2 frequency bands. It is compatible with:

GPS: L1C/A, L2C
GALILEO: E1, E5b
GLONASS: L1OF, L2OF
BEIDOU: B1/B2
It also supports QZSS and SBAS.

Which types of external sensors can be connected to the SBG Ellipse D to enhance its performance?

The SBG Ellipse D can be integrated with various external sensors to improve its accuracy and robustness, including:

Odometers.DVL (Doppler Velocity Log).External magnetometers.Aeronautical data sensors (Air data).

These sensors enhance positioning accuracy, particularly during GNSS outages.

What communication interface options are available on the SBG Ellipse D?

The SBG Ellipse D provides multiple communication interfaces for easier integration:

Serial interfaces: RS-232 and RS-422 (up to 2 Mbps).USB: For connection and configuration.CAN: CAN 2.0 A/B (up to 1 Mbps).Sync I/O: Two sync inputs (RS232) and one sync output (TTL).

Is the SBG Ellipse D kit compatible with post-processing software or robotic platforms?

Yes, the SBG Ellipse D kit is compatible with several software solutions and platforms:

Qinertia: SBG Systems' proprietary post-processing software, which enhances performance by processing raw inertial data and GNSS observables.ROS (Robot Operating System): A ROS driver is available for full compatibility.Pixhawk: An open-source hardware platform for autopilot systems.It is also compatible with GNSS receiver input protocols from brands such as Novatel, Septentrio, and u-blox.

What is the warranty duration for the SBG Ellipse D kit?

The SBG Ellipse D kit comes with a 2-year warranty.

What are the physical dimensions and weight of the SBG Ellipse D housing?

The SBG Ellipse D housing has compact dimensions of 46 mm x 45 mm x 32 mm. Its weight is 65 grams.

What is the ingress protection (IP) rating of the SBG Ellipse D housing?

The SBG Ellipse D housing is rated IP68. This means it is dust-tight and water-resistant, making it suitable for harsh marine environments.

How does the SBG Ellipse D provide reliable positioning even during GNSS outages?

The SBG Ellipse D features advanced sensor fusion technology that combines inertial data (IMU) with GNSS information and external sensor inputs (such as an odometer or DVL). This fusion ensures accurate and robust positioning, even when GNSS signals are temporarily unavailable, for example under bridges or in forested areas.

What are the power supply requirements for the SBG Ellipse D?

The SBG Ellipse D operates with an input voltage of 5 to 36 VDC. Its power consumption is less than 1050 mW.

Can the SBG Ellipse D provide real-time heave (wave motion) data?

Yes, the SBG Ellipse D provides real-time heave data. It offers an accuracy of 5 cm or 5% (whichever is greater) for wave periods ranging from 0 to 20 seconds, with automatic adjustment.

What is the main difference between the Ellipse-N and Ellipse-D versions?

The main difference lies in heading capability. The Ellipse-D features a dual-antenna GNSS system, providing accurate and stable heading even in static conditions. The Ellipse-N, by contrast, lacks this dual-antenna heading functionality.

What are the environmental operating conditions (temperature, vibrations, shocks) for the SBG Ellipse D?

The SBG Ellipse D is designed to operate in demanding environments and is compliant with MIL-STD-810G. It can withstand:

Operating temperatures ranging from -40 °C to 85 °C.Vibrations up to 8 g RMS (from 20 Hz to 2 kHz).Shocks up to 500 g for 0.1 ms.Its housing is also rated IP68, making it resistant to dust and water.