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Topic: Radar Jamming

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	Jamming. Who is Jamming? What is Jamming? Where is Jamming? Definition of Jamming. Meaning of Jamming.
		Radar jamming is the intentional emmission of radio frequency signals to interfere with the operation of a radar by saturating its receiver with false information.
		Radar jamming for the purposes of defeating speed detection radar is simpler than for military application, although it is often illegal.
		Jamming (or jam session) is also a term used to refer to an informal, semi-improvised performance by a group of rock or jazz musicians.
	www.knowledgerush.com /kr/encyclopedia/Jamming (661 words)

	Radar - Wikipedia, the free encyclopedia
		Radar jamming refers to RF signals originating from sources outside the radar, transmitting in the radar's frequency and thereby masking targets of interest.
		Jamming is considered an active interference source, since it is initiated by elements outside the radar and in general unrelated to the radar signals.
		Jamming is problematic to radar since the jamming signal only needs to travel one-way (from the jammer to the radar receiver) whereas the radar echos travel two-ways (radar-target-radar) and are therefore significantly reduced in power by the time they return to the radar receiver.
	en.wikipedia.org /wiki/Radar (3541 words)

	Electronic Combat Training System - Course Topics
		Radar jamming is the intentional radiation or reradiation of radio frequency (RF) signals to interfere with the operation of a radar by saturating its receiver with false targets or false target information.
		Radar jamming is designed to counter the radar systems that play a vital role in support of an enemy integrated air defense system (IADS).
		Radar surveillance and radar directed weapons represent the biggest threat to aircraft survival on the modern battlefield.
	www.info-strategies.com /ects/courses.htm (1602 words)

	Jamming (Site not responding. Last check: 2007-10-20)
		Radar jamming is the intentional emission of radio frequency signals to interfere with the operation of a radar by saturating its receiver with false information.
		There are two types of radar jamming: noise jamming and deception jamming.
		Culture jamming is the act of using existing mass media to comment on those very media themselves, using the original medium's communication method.
	www.yotor.com /wiki/en/ja/Jamming.htm (657 words)

	Institute for Telecommunication Sciences - 1999 Technical Progress Report (Site not responding. Last check: 2007-10-20)
		The radar version of JEM allows radar analysis for different combinations of radars and jammers that are on the ground or carried by airborne stations.
		For the radar jammer footprint analysis a jammer is able to jam a radar that is on or within a contour of distance to jammer versus azimuth angle, and prevent it from detecting a target.
		The radar burn-through range analysis is the minimum range to the target versus azimuth angle at which the target is obscured by jamming.
	www.its.bldrdoc.gov /tpr/1999/its_e/jem/jem.html (873 words)

	Police radar jamming, plans and information about homemade radar jammers and scramblers. (Site not responding. Last check: 2007-10-20)
		Police radar jamming, plans and information about homemade radar jammers and scramblers.
		While the manufacture and use of radar jammers is not illegal, speeding is. We do not promote law breaking in anyway and if you speed you are not only risking your own life, but other innocent peoples lives as well.
		Police radar systems have caused a lot of an uproar among people in recent times.
	www.bombshock.com /fronts/radar.html (290 words)

	Radar Detection - radardetectors - Frequently Asked Questions - radardetector
		More than 100,000 radar units are in service by police agencies in all 50 states, and they account for more than 30 million speeding tickets each year.
		A: POP Radar is the newest radar police are using to detect your speed.
		POP radar consists of a lightning-quick radar burst that can go from “off” to “on” detect you speed then back “off” again in less than one tenth of a second.
	www.007radardetectors.com /faq.htm (1100 words)

	Autoduel Quarterly: Electronic Warfare
		There are two types of radio jamming: broad spectrum, or "barrage" jamming, which interferes with all signals in a certain area (even friendly ones), and narrow beam, or "point" jamming which only affects the other guy's signals.
		Barrage jamming is most effective against those who don't have EW equipment of their own, and it has the advantage of simplicity; just flick a switch and let 'er rip.
		Once the target of a point jam burns through the interference, the jamming equipment must be recalibrated, a process which requires five seconds, during which the EW systems operator may do nothing else.
	www.sjgames.com /car-wars/adq/7/1/warfare.html (2337 words)

	RX12874 Passive Detection ECCM system
		The air defence requirement in UK in the early 1950's was for a system alongside the main conventional radars which would be able to detect and locate individual 'jamming' targets in a mass raid, the majority of which were also jamming, with the same discrimination in range, bearing and height as the 'active' radar.
		The positional data on jamming targets was three-dimensional because the main radar had a 'stacked-beam' configuration and passive detection was installed on each beam.
		The controller could then reduce the radar gain on his display to suppress the jamming signal and vector a fighter on to the jammer using IFF paints and the symbol representing the jammer.
	www.radarpages.co.uk /mob/linesman/pd.htm (1704 words)

	IFC - Acquisition Radars
		Basically, the powerful radar pulse causes an arc in the TR tube (in the wave guide), and the arc, being a conductor reflects most the pulse away from the receiver connection, keeping the pulse from the delicate receiver components.
		Radar receivers are very similar to your usual TV receiver, and in many ways simpler because we don't have to play such interesting games processing the audio and color video.
		Jamming noise in the omnidirectional antennas is made to cancel the jamming noise entering the sidelobes of the main antenna." An antenna can also be designed to have very low sidelobe levels to reduce the effect of sidelobe jamming.
	ed-thelen.org /ifc_acq.html (9134 words)

	War at Sea - Encyclopedia of Cards (Site not responding. Last check: 2007-10-20)
		Radars in the C and D bands of surface ships are modeled as SS radars.
		Air Search radar has the capabilities (but not the range) of a SS radar, and adds the ability to detect incoming Aircraft and to guide SAM missiles.
		Ships may be built with multiple AS radars to achieve fault tolerance, but this is rare in practice as the defending player chooses which section of the ship to damage in most cases.
	www.waratsea.com /rules/card_encyclopedia (3644 words)

	9news.com \| News \| Ban on Radar Jamming Devices Awaits Governor's Approval (Site not responding. Last check: 2007-10-20)
		Radar jamming devices are the newest means used to foil law enforcement efforts to catch speeders.
		Currently, however, newer radar guns can record a driver's speed instantaneously before a driver has time to reduce their speed, thus making the radar detectors obsolete.
		Radar jamming devices briefly scramble the instantaneous message from the radar gun and give the driver time to slow down.
	www.9news.com /acm_news.aspx?OSGNAME=KUSA&IKOBJECTID=d0b304b7-0abe-421a-01c5-d3d94bc15359&TEMPLATEID=0c76dce6-ac1f-02d8-0047-c589c01ca7bf (320 words)

	Atari Forums - ai targetting/radar jamming (Site not responding. Last check: 2007-10-20)
		Radar units are only good for detecting blips on a map.
		I have used jamming against the AI before and didn't work for me. Even though none of there units could "see" me visually they were still able to targert constant moving units under jam.
		The ultimate test would be a radar jammed cloaked commander in the middle of an AI base that has a targeting facility.
	www.ataricommunity.com /forums/showthread.php?s=&threadid=306312&highlight=trainer (1303 words)

	Active and passive radar laser jamming devices
		Active Radar Jammers are illegal to use in the USA therefore Phantom RCD users are responsible for the Phantom RCD operation.
		Radar detectors are some defense against police radar because they can pick up a radar signal well in advance of your being within the radars range of operation.
		In other words, your radar detector notifies you that a police radar is there before they know that you are there.
	www.jammersstore.com /faq.htm (514 words)

	Radar 'jamming'
		To specifically 'jam' the Wurzburg 50 cm transmissions it was found that strips measuring 0.125 inches by 10 inches worked best because these dimensions equate to half a wavelength.
		The problems of radar jamming were never underestimated and Dr R. Cockburn was appointed head of a 'Radio Countermeasures Unit' and his first successes was to construct a 'jammer' code-named 'Aspirin'.
		Furthermore, the RAF set up a special group known as 'J-Watch' and their task was to monitor and record all enemy 'jamming' transmissions; to record the frequencies used and if possible, to pinpoint the geographical location of the source.
	histru.bournemouth.ac.uk /Oral_History/Talking_About_Technology/radar_research/radar_jamming.html (290 words)

	Method of Active Noise Jamming
		Very Illegal: Jamming or attempting to jam a police radar gun is a federal felony punishable by fines up to $75,000 and one year in jail.
		This is not continually on, as the implementation above is. Instead, a radar detector detects radar, and then triggers the active jammer described above for several seconds while the driver slows down to a legal speed.
		Many radar guns’ jammer detectors do not work when the gun is transmitting, because it reads the radar being transmitted by the gun itself.
	cnx.rice.edu /content/m12579/latest (505 words)

	Catalog - Radar Jammers & Detectors
		This is the newest, most advanced unit from the leaders in the Radar Jamming industry.
		The Rocky Mountain Radar RMR-D230 is a completely integrated radar/laser detector which responds not only to all the radar guns in use today, including "Stalker", but also to the other latest development in speed monitoring devices - the laser gun.
		Radar detectors are currently illegal in passenger vehicles in Virginia and Washington, DC.
	www.radar-jammers.biz /catalog.cfm (292 words)

	Jamming (Site not responding. Last check: 2007-10-20)
		RCB Jason Webster (knee) hopes to give the defense some stability on his side, particularly in jamming receivers, but his leg is problematic.
		Jamming in Europe, what a trip; and, of course, Jamaicans were everywhere.
		The new system allows selective-reactive jamming, which means it can more effectively concentrate jamming power on multiple specific radar frequencies.
	www.wikiverse.org /jamming (785 words)

	Viper (RMR-C430) - $269.95 Delivered - RadarJammers.biz
		The New VIPER (RMR-C430) is a full-featured radar and laser detector combined with active laser and passive radar scrambling capabilities.
		The radar portion is a receiver not a transmitter.
		The radar jamming circuit mixes a doppler FM chirp with the incoming police radar signal and reflects it back to the radar gun.
	www.radar-jammers.biz /catalog/viper.cfm (548 words)

	Radar-Jamming Modernization Is Big For Boeing
		The Navy, which is chiefly responsible for jamming activities, wants the Boeing E/A-18, informally dubbed the Growler.
		They're concerned, sources say, that if they get involved with the Super Hornet, it would jeopardize their chances of getting money to modify the strike fighter when that plane is ready years down the road.
		Akin said that although the three services involved are seeking different planes, they have agreed to merge their goals into one plan with several elements - as opposed to competing plans.
	home.datawest.net /dawog/vaq132/e20020619radar-jamming_boeing.htm (843 words)

	Radar jargon - 1
		A method of jamming a radar by transmitting the jamming signal only as the side lobes pass the jammer, thus confusing the operator as to the true bearing of the jammer
		In radar terms this might involve transmitting a carefully timed pulse into a radar's side lobes in an effort to produce false returns on the radar display.
		A method of varying the gain of a radar system such that signals from targets close to the radar receiver are not amplified as much as signals from further out.
	www.radarpages.co.uk /glossary/glossary.htm (1564 words)

	Repeater Gain and Power Requirements for Radar Jamming
		Repeater jamming is most effective when the repeater can hear victim sidelobe transmissions and send them back with sufficient power so that the repeater's transmissions enter the victim radar through its receive pattern sidelobes.
		Clutter effects are not considered; the false targets are assumed to be in clutter free regions of the range/doppler map.
		In situations where sidelobe jamming is a problem, it may be worthwhile for the radar to switch in a low sidelobe taper and accept the lowered sensitivity.
	home.earthlink.net /~loganscott53/repeater.htm (1039 words)

	Highway police radar jamming (Site not responding. Last check: 2007-10-20)
		However, this device will not work against a gun type radar unit in which the radar signal is not present until the cop has your car in his sights and pulls the trigger.
		A better method is to continuously jam any signal with a radar signal of your own.
		The unit will not jam radar to the side or behind the car so don't go speeding past the radar trap.
	emmaf.isuisse.com /anarcook/hiwyprjm.htm (460 words)

	Jamming (Site not responding. Last check: 2007-10-20)
		Jamming as an electronic warfare (EW) - a technique to limit the effectiveness of an opponent's communications and/or detection equipment, like Radio Jamming and Radar Jamming
		Jamming (or jam session) - a term used to refer to an informal, semi-improvised performance by a group of rock or jazz musicians.
		Culture jamming - the act of using existing mass media to comment on those very media themselves, using the original medium's communication method.
	www.worldhistory.com /wiki/J/Jamming.htm (221 words)

	Radar Jamming Devices: The Value of Extensive Coverage (Site not responding. Last check: 2007-10-20)
		Radar jammers are widely available, with a number of quality manufacturers in operation, so finding a quality jammer will not be a challenge.
		The most important feature to look for in a jamming device is how effective it is at jamming all known forms of targeting technology.
		When you purchase radar jamming devices that can counteract all know radar bands and laser targeting systems, you can give yourself the peace of mind in knowing that you have all the bases covered.
	radardetectors.articleinsider.com /40176_radar_jamming_devices.html (409 words)

	radar jammers laser jammers radar detectors from ScorpionJammers.com (Site not responding. Last check: 2007-10-20)
		The Scorpion features the unique ability to defeat the new Digital K band radar guns that have been released to the law enforcement agencies within the last year.
		Because the jamming pulse is transmitted only when the laser gun is active, it has become possible to apply an extremely powerful return-jamming pulse signal.
		The optimal jamming pulse (APS) is now selected.Because the jamming pulse is transmitted only when the laser gun is active, it has become possible to apply an extremely powerful return-jamming pulse signal.The police laser gun or photo trap cannot measure the speed, and the driver can continue without a speeding ticket.
	www.scorpionjammers.com (781 words)

	The Science of Police Radar Jamming (Site not responding. Last check: 2007-10-20)
		For the most effective police radar jamming available, it's crucial that you take advantage of the most current technology that is available.
		The science behind police radar jamming is actually a fairly simple principal that involves detecting the signal coming from the targeting device, adding on additional FM static, or reflecting light emitting diodes, in the case of a laser gun, that effectively deter the gun from getting an accurate reading.
		It would certainly not be advised in such a situation to continue speeding, as simply having a jamming device activated is not a foolproof method of eluding radar.
	radardetectors.articleinsider.com /40175_police_radar_jamming.html (346 words)

	Re: Radar-Jamming Devices Are Illegal (Site not responding. Last check: 2007-10-20)
		I recently saw a report on TV (so it must be true) where they tested the Spirit II, made by Rocky Mountain Radar.
		In test after test, on streets, tracks, and dragstrips, the "Jammer" had zero effect on police radar devices.
		The FCC > cited the company in February for the unauthorized manufacture of > radio frequency devices, saying its product generates signals that jam > police radar.
	list.miata.net /1997-12/1583.html (200 words)

	Radar detector reviews by retired cop; Radarbusters (Site not responding. Last check: 2007-10-20)
		These tests are standard in the industry, and have been used for over 25 years, Click here to discover how the radar detectors stacked up.
		You don't want your radar detector going off every time neighbor uses his garage door opener.
		Radar Roy compares the results of all testing's and issues his official"Badge Ratings".
	www.radarbusters.com /support/product-tests (215 words)

	Scorpion JammerTechnology - Phantom RCD Radar Jammer (Site not responding. Last check: 2007-10-20)
		Jamming the radar will prevent the radar from detecting your speed altogether.
		And it gives you time to check your speed, slow down, shut jamming power off and let them detect your adjusted speed; while passing safely through the radar trap.
		The RCD defeats X band and K band radar, and can be used in conjunction with the Prowler Remote X, K, Ka Radar Detector and Laser Jammer for maximum protection.
	www.scorpionjammers.com /PhantomRCD.html (133 words)

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