Skydel SDX

  • Skydel SDX
  • Skydel SDX

Flexible GNSS simulatorFully-featured, software-defined

Orolia’s Skydel SDX offers the best of both worlds: the performance you expect from a top-grade GNSS simulator, coupled with the economy of scale and flexibility of the GPU/SDR architecture.

Packed with a rich feature set including a 1000 Hz simulation iteration rate, remote control from user-defined scripts, and a virtually unlimited number of channels, SDX offers unmatched flexibility and scalability.

And all of this, packaged in a well-thought-out user interface.

Skydel SDX is a fully-featured, software-defined GNSS simulator.

With Orolia’s Skydel SDX, you can either:

Select a turnkey system


Select the software only and use/reuse your own hardware.


In both cases, you obtain a complete, real-time GNSS simulator using repurposable hardware. The Skydel SDX supports multiple constellations (GPS, GLONASS, Galileo, BeiDou) and multiple frequencies (upper and lower L-band).

The Concept Behind SDX

Traditional GNSS simulators rely on FPGAs and custom-designed hardware which are either too expensive or provide limited capabilities.

Orolia’s Skydel SDX uses GPU-accelerated computing and software-defined radios (SDR). This architecture is based on mass-produced hardware which benefits from an economy of scale and high performance.

Moreover, it enables additional capabilities only possible with a software-defined approach to GNSS simulation.

Learn More About Skydel SDX >



Create economy of scale and eliminate hardware dependency. COTS hardware free users from dedicated platforms, while generic hardware allows to repurpose equipment for different projects. Skydel SDX solutions are scalable and easily upgraded.

Exploit the unique capabilities of a software-defined GNSS simulator. Dynamic jammers, custom waveforms, faster-than-realtime simulation and selectable RF/IF frequency are just a few possibilities enabled by the software-defined approach.

Key Features


Powerful Automation

Get ultimate control with the Skydel SDX’s powerful API. Easy to use and comprising of over 250 commands, this API brings an unparalleled level of control over the simulation. It allows the user to build highly complex, elaborate and repeatable scenarios. The Skydel SDX comes with open source client libraries for Python, C# and C++.



Trajectory simulation from the ground up to GEO orbits. The user friendly interface allows you to configure Earth-orbiting spacecraft trajectories, atmospheric models, multiple GNSS constellations and 3D antenna patterns.


Differential GNSS and Multi-Vehicle Simulation

Multi-vehicle positioning data can greatly improve GNSS location accuracy. For example, in Real-Time Kinematics (RTK), a rover precise location is computed by using base station position data.

Orolia’s Skydel SDX does multi-constellation, multi-signal differential GNSS by synchronizing multiple simulators. For RTK applications, each instance of Skydel SDX will simulate the GNSS signals for either vehicle.


Skydel’s CDM-5 clock distribution module is a PCIe card that provides 10MHz and 1PPS signals for up to five devices that need tight and precise synchronization.
pdf - 1015 KB—  April 10, 2019 [ Permalink ]

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