Compact All-in-One Anti-Jam System (4-Channel)

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Compact All-in-One Anti-Jam System (4-Channel)

Chelton’s latest GNSS Anti-Jam development is the DACU4c; a compact, high performance system integrating a four channel CRPA along with advanced miniaturised GNSS Anti-Jam processing electronics.

  • GPS L1 & L2
  • M Code Compatible
  • Software Upgradeable
  • ITAR Free
  • Low SWaP
  • Flexible Integration
  • Suitable for upgrades and new platforms
  • Class Leading Performance
  • Orders ready to be taken!
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Anti-jam GPS nulling and excision

The DACU mitigates narrow-band interference, using an excision process, and broadband interference by creating directed nulls in the antenna pattern. These techniques provide significant anti-jam protection even in highly dynamic, multi‑jammer environments.

Chelton is able to provide a complete anti‑jam solution for the platform. Installations can make use of a variety of CRPA options and cabling lengths, to best suit the form factor requirements of the platform. The DACU interfaces the antenna array to the GPS receiver.

The DACU is designed for size and weight constrained platforms, such as small airborne and unmanned installations. The DACU includes the ability to determine the direction of multiple spatially separated jammers with an accuracy of better than 5 degrees when the system is calibrated to the aircraft platform.

Get in touch

Chelton Limited, Marlow HQ
The Chelton Centre
Fourth Avenue
United Kingdom
CAGE Code: U1907
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Speak to our Sales or Engineering teams

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