(April 4, 2016, Kenneth Wyatt) With all the mobile communications we enjoy, along with the associated radio, television and cell phone transmitting towers, would you believe there is a place in the U.S. where all that is either prohibited or very closely controlled? That place is the The National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia. What originally … [Read more...]
Shielding
Cell Phone Co. Works with Satellite Industry to Reduce Potential Interference
According to FierceWireless.com, "Verizon representatives who met with FCC officials on March 1 said they will be working with satellite providers to try to find common ground on potential interference issues between future mobile terrestrial operations and existing satellite earth stations in the 28 GHz band." FierceWireless.com reported that "Verizon says it supports rules … [Read more...]
New EMI Shielded Vents and Filters
Tech-Etch has EMI Shielded Honeycomb Vents, Fan Vents, Quiet Vents, and Air Filters from prototype to high volume in all shapes and sizes available now. Their in-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. Many RoHS compliant finishes are available. Honeycomb Vents are offered in both standard and custom … [Read more...]
New Edition of ICES-003 Published by IC
Test lab, SIEMIC, reports that in January 2016, Industry Canada (IC) published the new 6th edition of IC Interference-Causing Equipment Standard ICES-003, Issue 3, with the helpful title “Information Technology Equipment (Including Digital Apparatus) – Limits and Methods of Measurement”. This ICES standard is the primary document that defines the test methods and frequency … [Read more...]
Air Force Concerned with Potential GPS Interference
Bloomberg News reports the "Air Force command that operates U.S. military satellites remains concerned that mobile broadband service proposed by the former LightSquared Inc. will interfere with GPS signals, its top official said." "General John Hyten, head of the Air Force Space Command, voiced his wariness before a House Armed Services panel Tuesday as the company, now called … [Read more...]
Relocation of Thousands of Residents from Radio Telescope Site
Global Times reports a plan to relocate of thousands of people away from the site of the world's largest radio telescope in Southwest China's Guizhou Province said a source in charge of the project. Around 9,100 people from 2,029 families living within 5 kilometers of the radio telescope will be relocated by the end of September, reported the Xinhua News Agency. "The telescope … [Read more...]
IEC Revises Common Terminology for Information Security Management
All information held and processed by an organization is subject to the risks of attack, error and natural disaster, and other vulnerabilities inherent to its use. Information security is considered a valuable “asset” requiring appropriate protection, for example, against the loss of availability, confidentiality and integrity. The recently revised ISO/IEC … [Read more...]
How To Achieve FCC Compliance in Six Steps
MET Labs explains how to achieve FCC compliance in six steps in their recent blog posting. They first explain about the need for EMC compliance and the various routes to compliance in the U.S. - verification, declaration of conformity, and certification. The six steps are outlined below: • Step 1 - select radio frequency and design equipment • Step 2 - test during … [Read more...]
New Extruded EMI Gaskets Announced
Nolato Silkonteknik announced their new Compashield® EE gaskets that provides both excellent EMI shielding performance and environmental sealing function in flange-and-groove mounting applications, and for that reason they have attracted lots of interest from customers who are concerned about saving space. Their extrusion process involves gaskets of electrically-conductive … [Read more...]
Has The EMC Directive Achieved What It Set Out To Do?
NewElectronics (UK) has written a white paper on the EMC Directive - its history, the new legislative framework and how it affected the Directive, how well it’s being enforced, and market surveillance. The EMC Directive is all about electrical interference – both emissions and immunity. As test house TUV puts it ‘Do not disturb. Do not be disturbed’. When enacted in 1989, the … [Read more...]
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