Apr 09, 2018 airborne electronic attack systems and ea6b program office is responsible for acquiring, delivering, and sustaining the navys airborne electronic attack systems, including the ngj. Raytheon, us navy demonstrate new electronic attack. Satellite jamming is a form of electronic antisatellite asat attack that interferes with communications traveling to and from a satellite by emitting noise of the same radio frequency rf within the field of view of the satellites antennas. Standoff jamming by three eb66es, three eka3bs, and an ea6a plus the electronic barrage laid down by the b52s kept the enemy from scoring hits on the stratofortresses. High jammer erp is obtained either with a high power transmitter or a high gain antenna on the jammer that then must be steered at the radar or a combination of both. Uses ncea simulator and eadsim model itt interactive ncea simulator implements radar jamming equation generates jamming effectiveness contour map in area of interest allows selection of optimum ea for stand. The iaf ejfectively employed electronic werfanl in def of its aircraft. Range between radar target and radar jammer transmit wavelength g rradar. Ngj is a tactical jamming system tjs replaces aging alq 99 tjs on the ea18g ea18gs primary offensive airborne electronic attack system 2021 ioc for critical mid band capability service. Chapter 3 that described electronic warfare organization is updated in chapter 1 of atp to this. Tactics and techniques of electronic warfare by bernard nalty.
Electronic attack ea is the strategic use of electromagnetic or directed energy weapons to assault enemy forces electronic infrastructure with the intent to degrade or eliminate their combat capabilities. The two main technique styles are noise techniques and repeater techniques. Electronic and information warfare department of computer. It can effectively be used surgi cally or in broadly based attacks. Uses ncea simulator and eadsim model itt interactive ncea simulator implements radar jamming equation generates jamming effectiveness contour map in area of interest. Electronic attack or jamming then directs energy toward those threats to disrupt and neutralize their effects. The jamming effect is evaluated based on the change in beat frequency due to the jamming. Despite this, it offers tantalizing benefits to the electronic warfare ew engineer in creating a miss distance during missile engagements. Dods progress developing and fielding new airborne electronic attack systems 19 table 4. Electronic attack, such as jamming enemy communications or radar, and dis. This copy is for personal use only distribution prohibited. Existing and planned airborne electronic attack systems 12.
Electronic warfare ew is any action involving the use of the electromagnetic spectrum em spectrum or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. All three contribute to air and space operations, including the integrated io effort. A variant of the combatproven fa18f super hornet, the growler provides tactical jamming and electronic protection to u. The absence of planning and programmatic actions to protect against a jamming threat is worri some given the likelihood of its use. Digital radio frequency memory drfm has improved the. Electronic warfare and sigint johns hopkins university applied. Pdf modeling and simulation for the investigation of radar. The radar ea systems provides means of jamming and deception countermeasure multiple threats that are active on the whole 2 to 18 ghz frequency range 0.
Electronic vswr and graceful power degradation monitoring and control via web browser through tcpip andor front panel touchscreen display frequency hopping qamxx, ofdm multicarrier pulse, am, fm, psk barrage broadband noise upgradable to future modulation standards user defined preset jamming modes. Army acquired new electronic attack ea capabilities to jam radioactivated. C1 communications and radar electronic attack planning effectiveness. We examined noise wideband random amplitude and phase selfprotection jamming, false target radarlike waveform selfprotection jamming, and expendable selfprotection jamming passive and active, their effects on the radar, and the metrics used to describe their. The growler aircrew views gathered information on a color display. Convergence of cyberspace operations and electronic warfare. Electronic attack, such as jamming enemy communications or radar, and disrupting enemy equipment using highpower microwaves. Potential overlap among communications jamming systems supporting ground forces 25 table 5. An analysis of the modern technology employed in electronic warfare. Concepts that blanket the radar with signals so its display cannot be read are normally known as jamming, while systems that produce confusing or contradictory signals are. It may be used both offensively and defensively to deny targeting information to an enemy. Pdf modeling and simulation for the investigation of. Other sources include distance measuring equipment used for airplane navigation, tv harmonics, as well as malfunctioning electronic equipment.
Classes of noise jamming barrage narrow band partial band tone jamming swept jamming pulse jamming inverse power jamming follower jamming. Radars operating in different frequency bands and ranges 4 figure 2. Electronic attack also includes various electromagnetic deception techniques such as false target or duplicate target generation. How user data rate and the jamming effect are related is also discussed. Research on electronic warfare ew and jamming dates to world war ii, an era when jammers needed to be categorized by signal type, because each signal type had to. Electronic attack ea previously known as electronic countermeasures ecm involves the offensive use of em energy, directed energy, or antiradiation weapons to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability including human life. Notional depiction of airborne electronic attack systems countering enemy air defenses 6 figure 4.
Jammers, like the planned ngj, fly on aircraft, such as navy ea18gs, and transmit. White pa p er 1 electronic attack ea or electronic countermeasures ecm involves the use of electromagnetic energy, or counterelectromagnetic radiation weapons to attack personnel, facilities, or equipment with the intention of directly affecting, degrading, neutralizing, or. Observed truckmounted systems are probably either electronic attack i. The aircrew determines if and how the threats need to be engaged. Primary airborne electronic attack capability needs identified since 2002 29. Directorate, information and electronic protection division, white sands missile range, nm 88002 55. Subject terms fmcw radar, lpi, jamming, electronic warfare. The ngj program is for the development of an airborne electronic attack platform to replace the navys existing analq99 tactical jamming systems pods on the ea18 aircraft. Electronic protection protects personnel, facilities, equipment, and platforms from incoming enemy threats as well as from enemy or friendly disruption of combat capabilities.
This includes threat analysis and response, as well as countermeasures such as signal jamming, electromagnetic deception spoofing. The ngj is an external, aircraftmounted tactical jamming system intended to disrupt enemy air defenses and communications networks. Other sources include distance measuring equipment used for airplane navigation, tv harmonics, as well as malfunctioning electronic. Feb 20, 2020 the ea18g growler is the most advanced airborne electronic attack aea platform and is the only one in production today. Jamming and spoofing of global navigation satellite systems gnss 5 some gnss bands are shared with certain radars, other satellite equipment as well as amateur radio. Blink jamming, like most electronic attacks, would be expected to perform optimally when operating at the frequency of the tracking system 4. Electronic protection, which ranges from designing systems resistant to jam. Withheld from public release by defense intelligence agency. Countering electronic warfare undermatch in the european aor. Ir8ij employed tection jamming, or the use of an aircrafts own internal or pod jammer to protect the aircraft, and standoft jamming, or the use of i1 dedicated jamming.
Electronic attack aea will achieve application of stateoftheart signal exploitation, processing, display techniques, improved tactics, and jamming capabilities against ew threats. U this handbook is designed to aid electronic warfare and radar systems. Command and control vulnerabilities to communications. Electronic protection, which ranges from designing systems resistant to jamming, through hardening equipment to resist highpower microwave attack, to the destruction of enemy jammers using antiradiation missiles. In military terms jamming is the soft kill part of an electronic attack ea, which focuses on the offensive use of electromagnetic spectrum or directed energy to directly attack enemy combat capability 19. Radar jamming and deception is a form of electronic countermeasures that intentionally sends out radio frequency signals to interfere with the operation of radar by saturating its receiver with noise or false information. Multiple electronic attack modes and countermeasures against modern spread spectrum communications priority based responsive jamming with configurable attack patterns using advanced rf jamming signal generator predictive hopper follower tracking mode to followjam up to 512 hopssec. Electronic warfare fourier relationships radar processing xband 300 ms 0. The radar ea electronic attack systems provide land forces effective protection and attack capabilities against air and surface hostile radar emitters. An electronic countermeasure ecm is an electrical or electronic device designed to trick or deceive radar, sonar or other detection systems, like infrared ir or lasers. Electronic attack is the use of electromagnetic, directed energy, or antiradiation weapons to attack with the intent of degrading, neutralizing, or. Depending on the antenna, adjustment methods include.
A methodology for networkcentric electronic attack evaluation. Radio jamming attacks against two popular mobile networks. Ea is the electronic countermeasure which includes jamming and deception of enemy radars, electrooptic and communication systems. May 14, 2019 electronic attack ea involves jamming and deceiving enemy radars and radio communications and data links. Electronic jamming is a form of electronic warfare where jammers radiate interfering signals toward an enemys radar, blocking the receiver with highly concentrated energy signals. Effects of jamming attacks on wireless communication. Dod dictionary of military and associated terms three categories. Leveraging digital rf memory electronic jammers for modern.
Unlike the ea6b prowler, which currently performs the electronic attack mission, the growler will enable its aircrew to communicate while jamming. Exploiting incoherent sampling to provide electronic. Aea airborne electronic attack aec aviation electronic combat army aegis automatic electronic guided intercept system ael accessible emission limit aesa active electronically scanned array aew airborne early warning af antenna factor, air force, or audio frequency afb air force base or airframe bulletin. Electronic attack degrade, neutralize, or destroy enemy combat capability ex. This chapter discussed selfprotection jamming and developed the fundamental onboard selfprotection jamming equation. Raytheon, us navy demonstrate new electronic attack architecture using maldj aerial jammer september 9, 2015 indycar racing tech adapted to create swappable mission capabilities joint pacific alaska range complex, alaska, sept. In military terms jamming is the soft kill part of an electronic attack ea, which focuses on the offensive use of electromagnetic spectrum or directed energy to directly attack. Pdf electronic warfare ew scenarios contemplate powerful and stealthy jamming attacks, able to disrupt any competing wireless.
Arexis electronic attack jammer pod by saab feature. Technical specifications size and weight 200 x 40 cm. The three major components of ew are electronic attack ea, electronic protection ep, and electronic warfare support es. Jamming is an important element of any communicationsdenial plan.
Above, how the growler looks with its alq99 jamming pods and weapons. Heres a bit of reading that looks at how our arexis electronic attack jammer pod protects fighter ai. The informa tion from the following chapters from the legacy fm 336 now obsolete that did not transfer to fm 338 was updated in atp 336. Electronic warfare fundamentals then addresses an important aspect of ew, specifically. Control of the em spectrum is gained by protecting friendly systems and attacking adversary systems. Lite shield tm electronic attack pod for close protection. The purpose of electronic warfare is to deny the opponent the advantage of, and ensure friendly unimpeded access to, the em spectrum. Electronic attack ea involves jamming and deceiving enemy radars and radio communications and data links. For ewos, whidbey is a soughtafter billet, a chance to get in a fast jet and work the cutting edge of cracking open enemy air defensesfrom locating and jamming emitters to frying communications networks and employing anti. The most recognizable convergence of electronic warfare and cyberspace operations is when forces transmit. Electronic attack, the air forces orphan mission, is. Networkcentric electronic attack evaluation evolution from platformcentric to networkcentric nc ea requires new methodology to develop and evaluate systems. Research on electronic warfare ew and jamming dates to world war ii, an era when jammers needed to be categorized by signal type, because each signal type had to be constructed from distinct radio circuitry. Electronic warfare provide means to counter adversarys systems while protecting ones own systems through electronic attack ea, electronic protection ep and electronic support es.
Return of groundbased electronic warfare platforms and force. Developing everbetter ew systems is a component of the overall competition in military. Within that context, what are the legal limits concerning the fielding of a nonlethal electronic counter measures capability in. Study of jamming effect on various modulation schemes has been presented. This publication supersedes atp 336, dated 16 december 2014. Replaces jamming control authority with electronic warfare control authority to broaden the focus from jamming to the full range of electronic attack capabilities p. An introduction to electronic warfare exploiting the.
The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. The ea18g is the only new airborne electronic attack system that is funded and in production. Ea refers to the division of ew involving the use of. Abstract information jamming in electronic warfare is a form of electronic attack where jammers radiate interfering signals toward an enemys system, blocking. Mobile groundbased electronic warfare systems groundbased ew vehicles have been noted in commercial satellite imagery at locations on subi and mischief reefs see figure 2. Effects of jamming attacks on wireless communication systems nand dhandhukia, dr. Lite shield tm electronic attack pod for close protection and.
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