The Space Data Association, comprised of the world’s major satellite communications companies, announced the launch of a new geolocation support service to help identify the geographical origin of transmissions to a satellite. The new service will allow members to share resources and expertise to locate sources of interference. Interference continues to be a problem for … [Read more...]
Antennas
- Free EMC Formula & Equation Calculator: Antenna Factor and Gain Calculations
- Free EMC Resource: How to Use Antenna Factors
- Free Antenna Selection Guide: Antenna Selection by Application
- Free PDF Download: RF Conversion Formulas by AH Systems
- Free PDF Download: AH Systems Product Catalog by AH Systems
New Units Converter App Available
Aaronia AG, maker of low-cost innovative antennas and spectrum analyzers, has recently made available a units converter app for their near-field probes (models H1, H2, and H3). The app will convert the dBm measurement to Tesla, Gauss, or V/m, depending on the probe used. The app may be downloaded from iTunes, here. … [Read more...]
Designing a Near Field Communication Antenna
National Instruments just published an application note on designing near field communication antennas. These antennas are normally designed to operate at 13.56 MHz and are used with smartphones for payments, etc. For more, click here. … [Read more...]
3D RF Tracking Array Antenna
Aaronia AG has announced a new 3D RF signal tracking antenna based on an array of their log-periodic antennas. The basic frequency range is 680 MHz to 6 GHz, and may be extended down to 9 kHz with the addition od an array of loop antennas and as high as 40 GHz with optional antennas. The IsoLOG 3D 80 includes 16 antennas with a resolution of 8 sectors in azimuth. The IsoLOG 3D … [Read more...]
Graphene Used to Manipulate and Control Electromagnetic Radiation
Recently, the University of Exeter provided research demonstrating how graphene’s properties can be utilized to create artificial structures that can be used to control and manipulate electromagnetic radiation over a wide range of wavelengths. Scientists at the University of Exeter “combined nano-ribbons of graphene, in which electrons are able to oscillate backwards and … [Read more...]
LTENA Conference Discusses Challenges and Advancements of Antennas
The LTE North America conference recently discussed the evolving environment of antennas and their contributions to the functionality of wireless networks, according to RCR Wireless News. Tony DeMarco, chief product officer and GM for Matsing’s base station antenna unit, introduced a spherical antenna, which is said to offer improved performance for roughly equivalent weight … [Read more...]
New GPS/multiband Vehicle-Mount Antenna
Pulse Electronics Corporation recently introduced the GPSMB501, a new GPS/multiband vehicle-mount antenna with port-to-port isolation for signal clarity. The antenna has “five connectors to access five antenna solutions -- two MIMO cellular and two dual-band MIMO WLAN and one for a global navigation satellite system (GPS plus Glonass),” according to the company. “Pulse's … [Read more...]
Company to Help U.S. Army Modernize EMRE Test Complex
AR RF/Microwave Instrumentation announces it has been awarded a contract to provide large broadband RF amplifiers to the U.S. Army. The contract is part of the US Army Electromagnetic Environmental Effects Systems Modernization Program at White Sands Missile Range, Electromagnetic Radiation Effects (EMRE) test complex in New Mexico, according to the company. The company is … [Read more...]
French Security Firm: Hackers use Radio Waves to Hijack Smartphones
Security researchers have reportedly discovered that hackers can use radio waves to hijack data on Android smartphones and iPhones through Google Now and Siri. Hackers accomplish this by sending radio waves to the devices and tricking users into sending them information by responding to voice commands. “According to French security firm ANSSI, which made the discovery, the … [Read more...]
Universities Team up to Help Protect Nation’s Power Grid from Cyber Attacks
Researchers from FIU’s College of Engineering and Computing have teamed up with four other universities and a utility company to help protect the nation’s power grid from cyber attacks. “A cyber attack on any part of the nation’s power grid could leave millions of people without power, resulting in serious health and safety threats as well as a major economic blow. Working … [Read more...]
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