HF/VHF/UHF Interferometer-Based Correlative DF System (WD-7200)


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Delivering a cost-effective yet robust and accurate DF solution for government, military, and law enforcement applications, the WiNRADiO WD-7200 direction finding system employs a sophisticated correlative-vector matching interferometer DF method, combined with statistical signal processing.

The system is small, lightweight and ruggedized. It is suitable for stationary, vehicle-mounted and transportable deployment. It delivers unparalleled flexibility due to its SDR architecture. Excellent accuracy and sensitivity ensure it is capable of filling not only the role of a direction finding system, but also that of a highly capable HF/VHF/UHF COMINT intercept receiver system.

Each WD-7200 system comprises of three main parts: antenna radome, twin coherent receivers, and processing computer.


  • Frequency range 2 MHz to 2000 MHz (depending upon antenna options)
  • High accuracy circular radome antenna
  • Rugged, low visibility antenna housing
  • Correlative interferometer technology
  • Rapid and simple deployment
  • High sensitivity
  • Effective against short duration signals
  • Typical accuracy 2 degrees RMS
  • Common reference providing receiver coherency
  • Uses wideband digital DDC based receivers
  • Low power consumption
  • Highly transportable