Model 645-8

Compact VHF/UHF/SHF Direction Finding and Monitoring Antenna

  • 20 to 8,500 MHz broadband operations for DF & monitoring
  • Provides 9-Element Correlative Interferometry DF
  • Rugged, lightweight construction for easy installation and CONOPS
  • Ideal for transportable, mobile, covert and semi-fixed applications
  • Optimum balance between compact size and high sensitivity over
    wide frequency range
  • Built-in test, calibration unit, and magnetic flux gate compass

Product Description

The 645-8 utilizes two DF arrays and a biconical omnidirectional monitoring / reference antenna. The DF arrays consist of nine vertically polarized fan elements housed in a low-loss radome. The radome encloses a broadband RF switch that commutates signals from the DF elements to an external multi-channel DF/Monitoring receiver and generates test signals for DF calibration and automatic system self-test. The antenna housing can be a standard hemispherical radome, or a luggage carrier mounted on a vehicle roof for covert applications.

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