2017-09-23 15:34:08

Briefcase-shaped device called Lesochek

USA has no operational high-altitude signal jammer


The US is not alone in this. The UK communications regulator Ofcom has issued an advisory that aircraft-based GPS jamming exercises will be held over the Scottish Hebrides at 0900-1100 and 1300-1500 local time for the entire month of July.


GPS jamming is nothing new – even the North Koreans have it – but this latest testing does look unusual. The lack of ground jamming could indicate that the device is airborne, but the FAA only concerns itself with airspace, so ground based cellphone jammers can't be ruled out.


It's also possible that the gps blocker is, in fact, just a testbed for some new anti-jamming technology under development and being flown overhead. With the ability to jam GPS getting easier and cheaper each day, the military is keen to develop new systems that would still allow aircraft, drones, and missiles to defeat jamming signals.


This apparently includes synthetic aperture radars on NATO satellites, aircraft, and other platforms, which can form images of targets in the air and on the ground using radar waves. In this case, "neutralizing" doesn't mean blowing something to bits, but rather jamming its radar sensors to effectively render it blind.


The news report starts off showing one new tool in REW troops arsenal drone jammer


Briefcase-shaped device called Lesochek. Lesochek works by jamming radio commands broadcast to set off improvised explosive devices. This type of device is actually not uncommon and has been used by U.S. forces for more than ten years. This is actual news.


The reporter claims REW, in an "incredible breakthrough" came up with a radar high power jammers that can jam enemy spy satellites, ground-based radars, and AWACs planes. The reporter then references an event in 2014, when the U.S. Navy destroyer Donald Cook was buzzed by Russian Su-24 "Fencer" strike jets in the Black Sea. Later that year, fake news outlets claimed that the Cook's radar systems were totally shut down by the Su-24's Khibiny radar jamming pod.


Vehicular Charging Jammers


Is there any truth to Russian claims? As Michael Peck at War Is Boring points out, probably not. For one thing, how would Russian pilots know that the Aegis radar on the Donald Cook "shut down?" A radar that is being jammed doesn't shut down; it continues to operate but cannot actually see anything. Also, jammers are used exceedingly sparingly around potential adversaries in peacetime, as their own radio signals can be scooped up, analyzed, and used to device a countermeasure.


The TV news report then shows off the Murmansk jamming system, which it says has a range of more than 3,100 miles. Murmansk, which was delivered to Russian units in 2016, can detect and jam radar signals. The result, according to the report, is something like an invisibility shield for Russian units, preventing NATO radar sensors from seeing them. Such a system is quite plausible, although describing it as an "invisibility shield" is a bit fanciful.


http://yaplog.jp/perfectjammer/archive/2


http://perfectjammer-shop.multiblog.net/58_perfectjammer_shop/archive/346_one_advantage_of_letting_cell_towers_play_military_purposes.html


http://perfectjammer.cafeblog.hu/2017/09/22/one-advantage-of-letting-cell-towers-play-military-purposes/


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