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WD-6200 HF Interferometer DF System

Product.Nr.: 9283

product description

WD-6200 HF Interferometer DF System

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The WiNRADiO WD-6200 Direction Finding System employs a sophisticated phase-coherent multi-channel interferometer-based method, combined with statistical signal processing, to deliver a cost-effective yet robust and accurate HF DF solution for government, military, and law enforcement applications.

The system is small, lightweight and ruggedized, suited for deployment in stationary and portable situations.

The system offers unparalleled flexibility given its SDR architecture, high accuracy and sensitivity performance, making it capable of filling not only the role of a direction finding system but also that of a highly capable HF COMINT intercept receiving system.

Each WD-6200 system comprises of three main parts: antenna array, phase-coherent receivers and processing computer.

The antennas utilised are specially designed high-gain active monopole antennas. The antenna array size can simply be varied according to the desired frequency range of the system, whereby the antennas are positioned in a "L"-shape configuration, which each leg being typically 5 meters in length for optimum coverage from 3 MHz to 30 MHz, and typically 10 meters for best coverage between 1 MHz to 15 MHz.

The two receivers (G34DDC) are a phase-coherent variant of the well-proven WR-G33DDC SDR, fitted into a rugged portable enclosure.

A high-performance integrated portable host computer is used for interfacing with the system and for processing and analyzing received signals.

In addition to accurate azimuth measurements, the WD-6200 system is also capable of measuring the elevation of an incoming signal. Providing the height of the reflecting ionospheric layer is known, it allows for an estimation of the target's location, without having to revert to a traditional multi-sensor approach for the necessary triangulation.

The entire antenna array can be assembled by two people in less than 30 minutes, while the receivers and the processing computer system can be operated either stationary or setup inside a suitable vehicle.

Combining modular hardware design with innovative software, the WiNRADiO WD-6200 HF Direction Finding System exhibits flexibility and performance which usually is not available in conventional technology systems.



  • Frequency range 500 kHz to 40 MHz
  • High accuracy medium aperture antenna
  • Rapid and simple deployment
  • Low visibility antennas
  • High sensitivity
  • Provides area of target location using SSL
  • Typical accuracy better than 2 degrees SD
  • Common reference providing phase-coherency
  • Utilises direct-sampling DDC based receivers
  • Low power consumption
  • Portable receiver system

The system can be extended to include the following hardware and software options:

  • WD-6200-GPS: GPS option (9283-GPS)
  • WD-6200-CSO: Client-Server option (9283-CSO)
  • WD-6200-TMO: Triangulation/Mapping and Client/Server option (9283-TMO)
  • WD-6200-MAP: Offline maps option (9283-MAP)

Detailed Technical Specifications