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Radio jammers are more and more important

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2018年9月19日
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Drone jammer protect the security of the President

Radio jamming systems apparently thwarted an attempted presidential assassination with improvised drone bombs in Venezuela.

Moscow’s utilization of electronic warfware (EW) in Ukraine and other countries, combined with the use of cutting edge Russian air defences – possible one of the best on the planet – has returned jamming in the interest point for the US Navy and its armada of EA-18G Growlers.

The Raytheon Company, manufacturer of the low-cost flight vehicle, spent the last two years upgrading the jammer version of the platform, known as MALD-J, to include electronic warfare capabilities, as part of the $34.8 million MALD-X demonstration effort.

Used as the main tactical wifi jammer fighter in the world, the Growler is a specific variant of the F/A18-F Super Hornet, and since operational usage started in September 2009, it has been furnished with the AN/ALQ-99 airborne electronic warfare system. The AN/ALQ-99 itself, in any case, can assert significantly to more older devices, having been engineered in the late 1960s, and first used in 1971 together with the EA-6 Prowler, the EW variation of the A-6 Intruder, was ready to see its usage in Vietnam.

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The main electronic station equipment - GPS signal jammer

The drone was likely targeted with a cell phone signal jammer, which simply consists of a device equipped with a radio transmitter that can output multi-band frequencies. The drone's receivers are then saturated, and it can no longer interpret instructions from the person flying it. The UAV fell into the sea, and according to Fstoppers, the city of Toulon has opened an investigation into the matter and has divers searching for the wreckage to further study it.

It would be interesting to see if they jammed GPS L1&L2, shifted the timing to produce a false location and/or brute force jammed 2.4&5.8 GHz with 27 MHz etc. Cell/GPS jammers are avalavible to the general public. I saw a thread on here where neighbors were fighting about drone use and one bought this jammer from China. On the manufactures website a video showed the jammer made a P4 autoland supposedly.

The country’s anti-drone air defense force is training with a rifle-shaped antenna that can jam the remote control signals of a drone. The jammer-wielding soldiers are paired with other shotgun-armed squad members, whose shotguns fire specialized shells. (As to how those shells are specialized, the Ministry doesn’t say, but there is at least one counter-drone system which fires shotgun shells that release nets on the target). Rifle-shaped jamming devices are more common in the counter-drone world, and the United States had adopted them to such a degree that even the National Guard trains with drone-jammer rifles.

Gun drone jammer

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