The ARRL RFI Book: Practical Cures for Radio Frequency Interference by Mike Gruber (2007-04-01)
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Radio Frequency Interference Handbook (Nasa-3067)
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Analysis of Radio Frequency Interference Effects on a Modern Coarse Acquisition Code Global Positioning System Receiver by Johnston Kenneth D. (2012-10-02) Paperback
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Demystifying Radio Frequency Interference: Causes and Techniques for Reduction by Arndt, Donald J. (2009) Paperback
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Handbook on Radio Frequency Interference Volunes 1-4
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Army deploys 'flying command post' for paratroopers
Given how the workstations would be used, each communications and transit case had to meet strict standards, such as a four-man weight lift limit, elimination of electromagnetic interference with other command and control airplane systems, and the …
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Detecting tiny metallic contaminants with magnetisation
Researchers in Japan have been working to improve the detection of metallic contaminants in food. Existing inspection methods have limitations; the X-ray radiation method cannot detect contaminants with sizes smaller than 1 mm and it cannot be applied …
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Army's Electronic Warfare Cupboard Is Bare: No Jammer Until 2023
“EWPMT is what allows them to see the battlefield in the electromagnetic environment,” Church said, “so you'll be able to tell your commander, 'this is where we have interference. This is where we are. This is where the enemy is. I don't know what that …
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Radio Frequency Interference Mitigation in Radio Astronomy
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… infections Is 5mgs Enough Tadalafil Cialis 20mg Nedir salmonella. cialis generico dove si compra Cialis Drug To proceed from the you will implement new electromagnetic interference EMI such as electrical power lines to ensure that the in the …
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Wireless devices safe if kept metre away from equipment
A team from the Concordia's engineering and science faculty used advanced mathematical modelling techniques to assess the risk of electromagnetic radiation from such technology interfering with equipment like heart monitors. The study, published in the …
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Rapid – Latest magnetic jack connectors integrate up to ten discrete components
Fully IEEE 802.3 compliant these devices feature spring-loaded 'fingers' to ensure maximum resistance to electromagnetic interference (EMI) and can be ordered in tab-up and tab-down configurations to maximise design convenience and compatibility with …
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Handbook on Radio Frequency Interference, Volume One: Fundamentals Electrom Agnetic Interference,
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Video to show interference caused by plasma TV – – as is shown the skybox is not the culprit – – as to wiring this could act as an antenna but the wiring its…
Video Rating: 4 / 5
Radio Frequency Interference: How to Identify It and Cure It
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P-Cap Touch Controller supports large format sensing sensors.
November 21, 2014 – With 32-bit ARM® Cortex® M4 processor that can run at 168 MHz, ZXY110 improves speed, accuracy, and EMI stability of self-service touchscreens. Processor is accompanied by 2 ASIC devices that maximize touch detection …
Read more on ThomasNet News (press release) (blog)
Ukraine Separatists' Weapon of Choice — Howitzers in Huge Amounts
… of the separatists' 122-millimeter D-30 guns. The Associated Press spotted a similar convoy in Snizhne. Several of the vehicles resemble support and radio trucks, because of their conspicuous shielded exteriors used to block electromagnetic …
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The International Amateur Radio Union (IARU) Administrative Council has called upon International Telecommunication Union (ITU) signatory nations to take steps to ensure that the operation of “electrical apparatus or installations of any kind, including power and telecommunication distribution networks,” does not cause harmful interference to Amateur Radio operations. The Council adopted a reso…
American Radio Relay League | Ham Radio Association and Resources
I get this interference on my base radio every single day from 6am to 6pm, how can I get it to stop????
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I took this video while driving through Auburn, CA to provide some insight into what adjacent-channel HD Radio interference sounds like on FM. It’s five minu…
Video Rating: 5 / 5
Interference on HF Band by building elevator motor.
Radio interference from 9:45pm to 9:45am.
The ARRL already has complained to the FCC that so-called “grow light” ballasts can generate severe interference on the HF bands. According to a recent article in The Coloradoan, retired electrical engineer Tom Thompson, W0IVJ, first noticed interference on 40 meters at his location in Boulder a couple of years ago. So, he coupled his own portable receiving loop with a direct-conversion receive…
American Radio Relay League | Ham Radio Association and Resources
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Caused by RF interference my cameras microphone picks up, but sounds quite good.
Video Rating: 5 / 5
Asserting “a substantial stake” in the outcome of the proceeding, the ARRL has commented in opposition to an FCC proposal that would leave licensed radio service users vulnerable to interference from unlicensed devices. In a docket unrelated to Amateur Radio spectrum, the Commission has indicated that it’s willing to consider adding licensed Globalstar terrestrial users to the 2473-2483.5 MHz b…
American Radio Relay League | Ham Radio Association and Resources
KBRF-100 (9107) Radio Frequency Interference Filter
Model KBRF-100 is an RFI filter used to suppresselectronic interference caused by motor speedcontrols. Most speed controls utilize SCR?s that switchon and off rapidly causing high frequency interferencepulses. These pulses are easily transmitted throughthe AC power lines which can then enter otherequipment wired to the same line. In addition oncethe interference is allowed to conduct through thepower lines the wires become radio antennas whichactually radiate electromagnetic energy through theai
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The ARRL has formally complained to the FCC, contending that a “grow light” ballast being widely marketed and sold is responsible for severe interference to the MF and HF bands. The League urged Commission action to halt sales of the Lumatek LK-100 electronic ballast and to recall devices already on store shelves or in the hands of consumers. In a March 12 letter to the Commission’s Enforcement…
American Radio Relay League | Ham Radio Association and Resources
The FCC has issued a Notice of Apparent Liability for Forfeiture (NAL) to James R. Winstead, KD5OZY, of Coleman, Texas, after determining that Winstead “apparently willfully violated” FCC rules by interfering with Amateur Radio communications. The Commission proposed a $ 7000 fine. The action was in response to complaints from other radio amateurs of intentional interference on 7.195 MHz.
Accord…
American Radio Relay League | Ham Radio Association and Resources
ham radio interference 20meter.
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Direct TV refuses to help others with this problem or even acknowledge it… This is how to fix the RFI susceptibility problem with your Directv HR24 dvr fro…
CHP radar antennas can interfere with radio receivers. It affects lowband and VHF frequencies. The radar antennas are located in the front and rear windows o…
Video Rating: 4 / 5
Handbook On Radio Frequency Interference V1: Fundamentals Of Electromagnetic Interference
In Four Volumes. Volume 1, Fundamentals Of Electromagnetic Interference; Volume 2, Electromagnetic Interference Prediction And Measurement; Volume 3, Methods Of Electromagnetic Interference-Free Design And Interference Suppression; Volume 4, Utilization Of The Electromagnetic Spectrum.
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I recently purchased some elctro software for my DJ stuff so I though i’d make this as the start of my next album.
Earth Changes Explained: The cause and what we can expect in the very near future. * Symptoms: Earths Erratic Magnetosphere, Mysterious Magnetic Blasts, Inte…
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Powerline networking has been given many acronyms. PLT (PowerLine Telecommunications), PLA (- Adapter), PLN (- Networking), PLC (- Carrier), BPL (Broadband o…
radio interference to desaster relief communications exercise in Austria,Linz, possibly caused by BPL PLT, PLc, unwanted radiation, harmful interference on s…
Video Rating: 5 / 5
The radio interference from Silent hill 2.
September 11th 2001 Second Plane Crash WCBS Dub4 23.
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The FCC has issued a Citation and Order to Ruben D. Lopez Jr of Pomona Park, Florida. The Citation, issued April 23, is in response to several complaints about a well pump at Lopez’s residence that was acting as an incidental radiator and causing harmful interference to local radio amateurs.
In July 2010 and February 2011, the FCC received complaints from radio amateurs regarding interference on…
American Radio Relay League | Ham Radio Association and Resources
A SERVO-CONTROLLED NULLING SYSTEM FOR REDUCING RADIO FREQUENCY INTERFERENCE,
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Tacima- 6 Way Mains Conditioner And Radio Frequency Interference Filter
- 2 Metre Screened Mains Lead To Prevent Rfi
- Surge Protection
- Mains Conditioner
- No Neon Indicators (these Can Inject Noise Into Your Hi Fi And Affect The Sound Quality)
Tacima Cs929 – Mains Conditioner For Home Cinema And Hi Fia Useful Upgrade For Any Setup This Is An Affordable Yet Extremely Well Designed Unit That Delivers Impressive Results. This Unit Contains A Powerful Mains Conditioning Filter Which Will Reduce Or Eliminate Mains Interference Coming Through The Mains Electric Supply And Help To Enhance Your Sound And Picture Quality. It Also Incorporates Surge Protection For Complete Piece Of Mind.technical Notes And Performancethe Filters Used Are Specif
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Standard Motor Products Radio Frequency Interference Condenser RC-7
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Standard Motor Products Radio Frequency Interference Condenser RC-7 CapacitorStandard is a global manufacturer of original equipment ignition products, complete
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CSL Introduces BAP ID Card
“Unlike any other RFID UHF cards, CSL's BAP ID cards held up against human body interference, orientation issues and multiple radio frequency interference,” said Louis Sirico, RFID Technical Evangelist. “This is a game changing technology for asset …
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Sinclair ZX Spectrum FAILS latest radio noise rules SHOCK
Sinclair ZX Spectrum FAILS latest radio noise rules SHOCK. alert · print · comment … It's a good job this plan never made it out of the pub: the dear old Speccy would have immediately fallen foul of modern electromagnetic radiation interference …
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KBRF-350 (9511) RADIO FREQUENCY Interference Filter
The KBRF-350 is an RFI filter used to suppress electronic interference caused by motor speed controls. These controls utilize SCR or transistors that switch on and off rapidly causing high frequency interference pulses. These pulses are easily transmitted through the AC power lines which can then enter other equipment wired to the same line. In addition once the interference is allowed to conduct through the power lines the wires become radio antennas which actually radiate electromagnetic energ
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Radio Frequency Interference Handbook
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Electro Magnetic Interference (EMI) Field Sensor for the EM Eye Meter
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New ICC MODULE CAT 6 SHIELDED Provides shielding against Electro-Magnetic Interference
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This is a troubleshooting video, I have an FT-450AT displaying a really strange issue. If you know what’s causing it, leave a message in the comments! Thanks!
#107- Sensors Locate Radio Interference (w)1
Heed Audio from Hungary makes some great pieces of audio gear. The small great looking black boxes are engineering masterpieces that sound full bodied and alive. The Questar MM uses the exact same MM circuitry from its Quasar big brother (quite more expensive top of the range MM/MC stage), with balanced design and quality components. The internal construction of the QUESTAR meets the most critical high-end standards in every respect. The amplifier employs an entirely dual-mono configuration and uses a two-stage – passive/active – RIAA equalisation. Gain adjustment has been optimised for maximum headroom and highest signal-to-noise ratio. Component parts are selected to exacting tolerances matching those of our flagship Quasar. The QUESTAR are suitable for any line-level amplifier input, and can easily drive virtually any length of interconnect. There is no internal wiring or binding, and all high-current parts of the circuit are shielded. Both models feature gold-plated RCA terminals soldered directly onto the PCB, limiting all signal paths to a bare minimum. The QUESTAR utilise an external wall-wart power supply to avoid undesirable electro-magnetic interference within the chassis. Technical specifications Input: 3 mV/47 kOhm (Questar MM) Frequency range: 20 Hz – 20 kHz/± 0,3 dB Gain: 42 dB (Questar MM) Signal/noise ratio: 82 dB (Questar MM) Headroom: 20 dB (Questar MM) Channel separation: 50 dB (1 kHz) If you’re thinking about getting a Cambridge Audio 640P Stage …
Standard Products Inc. RC-14 Radio Frequency Interference Condenser
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Electromagnetic interference in aircraft: Proceedings [of the Symposium on Electro-Magnetic Interference in Aircraft held in London in 1973]
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Handbook on Radio Frequency Interference, Volume 1: Fundamentals of Electro Magnetic Interference;
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Belkin F3N402-03-ICE 4-Pin to 4-Pin FireWire Cable (3-Feet)
- Up to 400 Mbps data transmission speed
- Plug and play technology
- Apple FireWire and Sony i.LINK compatible
- Outer and inner shields ensures IEEE 1394 compliance, reducing radio frequency and electro-magnetic interference
- Lifetime Warranty
Cables, Belkin, IEEE 1394 FireWire Cable 4/4-pin 3 feet, F3N402-03-ICEThe Belkin IEEE 1394 FireWire Compatible 4pin/4pin Cable attaches a device with a four-pin port, such as a digital camcorder, to your laptop or audio video device’s four-pin port at a rate of up to 400 Mbps. The cable is compatible with all Apple FireWire and Sony i.LINK devices, and has Plug and Play installation. It complies with IEEE 1394 standards for reducing radio frequency and electromagnetic interference, uses molded-s
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International and national radio frequency interference regulations (Multi-volume EMC encyclopedia series)
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Radio frequency interference (Radio amateur’s library)
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Radio Frequency Interference (Publication no. 34 of the Radio amateur’s library)
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Leading With Diplomacy to Strengthen Stability in Space
A code of conduct could help establish guidelines for safe and responsible use of space, avoid collisions, reduce radiofrequency interference, and call out irresponsible behavior. Unless the international community adopts positive measures to address …
Read more on US Department of State (press release)
NASA ISS On-Orbit Status 2 November 2011
Powering down the amateur/ham radio equipment in the SM & COL (Columbus Orbital Laboratory) before the docking to prevent RF (radiofrequency) interference during the approach & docking; later in the day, both stations were turned on again, . …
Read more on Space Ref (press release)
EMI /Emf Filter-electro-magnetic Interference Filter
EMI Filter acts in much the same way as alighting rod,safely conducting the EMI energy away to groung. By simply plugging in to 2 electrical or electronic devices into EMI Filter. You can effectively reduce exposure to EMI to yourself and your family.
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The ARRL RFI Handbook; Practical Cures for Radio Frequency Interference
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Wi-Fi access point with an Embedded AirMaestro RF Signal Analyzer from Bandspeed automatically changes channels to avoid RF interference to resume video transmission. Advanced RF spectrum displays with WLAN channel quality information and interference classification provides visibility into the RF environment.
Video Rating: 0 / 5
Radio Frequency Interference: How to Find It and Fix It (Radio Amateur’s Library, Publication No. 149.)
Great reference book for the amateur radio operator in your life.
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Lenawee County wind turbine proposal could interfere with airport safety
The turbines would cause electromagnetic interference on the airspace, and would be a hazard to air navigation. The Interstate Informed Citizens Coalition, which has been fighting for tighter restrictions on the turbines, says that this affects 63 of …
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GTRI opens radar/antenna measurement range
The new facility, which is shielded against electromagnetic interference, will be used for GTRI's defense-related research projects and collaborations with outside organizations. Located in GTRI's midtown Atlanta campus, the facility has a test zone …
Read more on Test & Measurement World
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This is the captured Video from the RFI at Intelsat 1002 XP71.
A few nice Electro-Magnetic Interference images I found:
Generando poder – Generating power
Image by yvetteSoler
Como siempre, el generador es una torre de cuarzo blanco. Su poder se aumenta con el poder de cuarzo natural, calcedonia y cornalina. Un orgonite los protege de la interferencia electro-magnetica.
The main generator is a clear quartz. Its power is augmented with a natural quartz, chalcedony and carnelian. An orgonite protects it from electro-magnetic interference.
Electro-Magnetic Interference Reduction in Electronic Systems
Presenting electromagnetic compatibility concepts in an analytical fashion, this text utilizes basic electromagnetic theory to deduce the design formulae required for effective positioning of components and shielding of cables and cabinets. It discusses unintentional coupling between nearby devices, components on a chasis or printed-wiring card, circuit theory and filed theory, the proper shielding of cables, grounding considerations and shield penetration by conducting wires.
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Demystifying Radio Frequency Interference: Causes and Techniques for Reduction
Interference whether caused by natural sources (such as lightning static, atmospheric noise, temperature inversions) or artificial ones (other RF/wireless transmitters, electrical machinery, etc.) has plagued RF/wireless communications since the days of Marconi. But it has taken on a special urgency as more wireless services, especially broadband digital ones, come on line; new digital services, such as WiFi and WiMax, are far less
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ECE 450 Video Project Professor Cangellaris Narrator: Kates-bear Little Sally: Juno
Video Rating: 4 / 5
Comparing the PWM5 Solar Charge Controller with another comercially available product. The PWM5’s 122Hz switching frequency can be picked up on an AM radio tuned to the bottom of the AM band and placed very close to the solar panel cable. The other controller broadcasts it’s 300Hz switching frequency several metres.
Video Rating: 0 / 5
Satellite in EMI chamber
Image by NASA Goddard Photo and Video
Electro Magnetic Interference testing of the NPP Satellite at the Ball Aerospace facility.
Credit: NASA/Ball Aerospace
For more information about NPP: go to www.nasa.gov/npp and npp.gsfc.nasa.gov/
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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<p>Digital Manners: Texting on Takeoff</p>
Farhad: What I was able to find in the research on this is there has been suggested to be a theoretical possibility that the electromagnetic interference caused by your cell phone might affect the instrument panels in the airplane. …
Read more on Slate Magazine
APEM Components range of customised membrane switches
The company specifies the membrane switches for moderate to harsh conditions, including water immersion, electromagnetic interference, ultraviolet exposure and petrol. They meet IP65, IP67, and NEMA4 standards.
Read more on ElectronicsWeekly.com
Can a phone really put a flight at risk?
Federal studies have yet to prove conclusively that electromagnetic interference can play havoc with aircraft systems. Notably, the Radio Technical Commission for Aeronautics concluded the chance was "very low" and said all evidence of electromagnetic …
Read more on Sun-Sentinel
ON Semiconductor Introduces Industry's Smallest Active Clock Generator ICs for …
… has introduced a new series of active clock generator integrated circuits (ICs) that manage electromagnetic interference (EMI) and Radio Frequency Interference (RFI) at the clock source, delivering system-wide EMI reduction of all clock dependent …
Read more on MarketWatch (press release)
A new RFI (Radio Frequency Interference ) source appears on the 80 M ham band in the area due to a Boat Battery Charger. Video: recorded 3-31-2011 Previous experience with a ‘Guest’ brand battery charger (rated FCC Class B – for use in Industrial/non-residential areas) with a next door neighbor helped me identify this source. Address: 705 Roaming Road Update 6-23-2011 – boat and noise has returned: www.youtube.com Related – How to DF noise – Technique using portable SW radio, titled: “Radio Direction Finding (RDF) with portable radio on arcing” www.youtube.com .
Part 2 A good theory demonstrated with regard to Toyota’s Unwanted Acceleration and the need for the FCC to revisit who and what Part 15 rules apply and standards going forward in the new mobile digital video and broadband plans. Lives are clearly at risk as the number of mobile RF transmitters doubles every 2 years and more micro-controllers are in charge of devices that could be life threatening if interfered on.