… by Jeff Smith, VT Science Editor
Its simple; phased array antennas such as use on the spy-1 S-band radar system are easily jammable when confronted with a two point jamming signal that is out of phase and widely spaced.
It usually uses two jamming antennas spaced about 35 feet apart mounted on the wing tips of the jet. See the attached Chinese paper on cross eye jamming and how it works. Those believed responsible photographed at Rome conference in 2017:
The Iranians use this on there F-5 jets by mounting jamming pods on the wing tips where the missiles usually go. This is a known problem with any phased array radar antenna system. Such as now being used on the f-22 and the f-35 and the B-2. The same trick is used to jam conical scan radar systems too.
The Achilles heal of the AEGIS cruisers is the fact that it has no good old fashion ppi scan radar antenna to fall back on. Only the X-band Phalanx system can be used as a back up. They will have to retrofit all of the AEGIS cruisers with an auxiliary mast mounted radar antenna with mechanical ppi scan to fix the problem.
This is why the Russians know that stealth is a waste of time. Cross eye jamming is cheaper and it works better. Also the Patriot missile system is in danger to this type of jamming. So the NATO ballistic missile defense system has just been defeated by the Russians.
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I wonder just how much all of this failing electronic warfare equipment has cost the Pentagon?
Goes to show how even the most advanced creators of this equipment can be so detached from obvious reality sitting in front of theri noses.
Wasn’t it reported at the time that USS Donald Cook also lost all electrical generation and propulsion after the encounter with a Russian Sukhoi aircraft, or was that exaggerated?
Most Russians are pretty sceptical about that accident. Nevertheless, i can firmly acknowledge: Russian radio electronic science and weapons, jammers, sub-reality substitute signals are highly advanced. But… It is just know-how in the common world of physics.
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