VHF/UHF/SHF TDOA Geolocation System (WG-8800 )


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The WiNRADiO WG-8800 VHF/UHF/SHF geolocation system utilizes the proven TDOA method (time-difference of arrival) with statistical signal processing. This integrated hardware/software system accurately estimates the position of transmitters by calculating the signal propagation delay time between multiple sensors. Even when dealing with complex digitally modulated signals, this technique remains highly robust.

The system’s design is cost-effective and versatile, making it suitable for a wide range of applications, including government, military, law enforcement, and industrial sectors. Deploying the system is effortless, thanks to its user-friendly setup and robust design. It can be easily used in stationary or transportable deployments, offering exceptional adaptability with minimal constraints.

The system’s software-defined radio (SDR) architecture provides unparalleled flexibility, allowing seamless adaptation to various scenarios. Its precision and sensitivity are remarkable, making it not only an excellent position finding system but also a highly capable HF/VHF/UHF COMINT intercept receiver.


  • Proven TDOA (time-difference of arrival) method for accurate position estimation
  • Multilateration (hyperbolic) positioning technique
  • Wide frequency range of 100 to 8000 MHz
  • 34 MHz instantaneous bandwidth for capturing signals
  • Selectable measurement bandwidths for flexibility
  • Scalable architecture supporting 3 or more sensors
  • Modulation independent position estimation, suitable for various signal types
  • Transportable or stationary deployment options
  • Client-server architecture with multi-user networking
  • LAN interface for sensor connectivity
  • GPS-based timing reference for receiver coherency
  • Automatic GPS-based sensor positioning
  • Hardware option available for additional antennas
  • Mapping feature for visualizing estimated positions
  • Built-in self-test functionality for system integrity verification
  • Ruggedized and weather-proof construction for reliability
  • Rapid and easy system deployment, minimizing setup time and effort