Clutter fence
A clutter fence is a device used with some radar systems to prevent reflections from nearby objects reaching the receiver. They are normally constructed out of conventional metal fencing material. They may serve a secondary role in protecting crews on the ground from the microwave signal of some very high-powered radars.
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The Nike Zeus target tracking radars used a complex clutter fence to block signals reflecting off nearby buildings and other radars.
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The clutter fences for the Sea Wolf trackers can be seen on top of the hangar and bridge of this Type 23 Frigate
References
- US Grant US3683394, Smith Phillip Hagar, "Clutter fence for suppression of electromagnetic energy", published 8 August 1972, assigned to Bell Telephone
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