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Slot antennas have been investigated since at least the 1940s 1 and are treated in many textbooks on electromagnetism. In these antennas, the feeding method generally uses a microstrip line crossing the center of the slot. However, this method increases the radiation resistance, which makes the impedance matching difficult....

The conventional printed wide-slot antenna has an operating bandwidth on the order of 10 to 20 percent. 1,2 Because modern wireless applications often require broadband operation, some printed wide-slot antennas for broadband operation have been reported. 3-6 A square slot antenna,3 with a fork-shaped microstrip feed structure, was investigated...

Carl Sheffres It seems only fitting to recognize the Chinese New Year, with all of the attention being paid these days to the Asian market. Greater China has evolved into the most dynamic market in the world, with vast implications for the microwave industry. With that in mind, Microwave...

Haute cuisine, chic cafés, restaurants and, of course, fine wines are the staple diet for Parisians. Last October, however, the city also served up a mouth-watering array of technology and innovation as the 8th European Microwave Week was staged at the CNIT La Défense, International Conference and Exhibition Centre....

Raytheon Co. received a $1.3 B contract modification from the US Army for system development and demonstration of the Joint Land Attack Cruise Missile Defense Elevated Netted Sensor System (JLENS). Raytheon’s Integrated Defense System (IDS) JLENS provides a long-duration, wide-area cruise missile defense capability, while also providing elevated communications...

The US Air Force has awarded Northrop Grumman Corp. a contract to begin production of the next five RQ-4B Global Hawk aerial reconnaissance systems. The new $60 M contract will allow the company to start purchasing long-lead parts for the unmanned air vehicle, the enhanced integrated sensor suites for...

Harris Corp. announced that it has been awarded a six-month, $2.8 M program definition and risk reduction (PDRR) contract by the Boeing Co. for the ground processing segment of the National Oceanic and Atmospheric Administration (NOAA) geostationary operational environmental satellite – series R (GOES-R) program. When ready to launch...

L-3 Communications announced that its Communication Systems-East (L-3 CS-East) division has been awarded a contract by Lockheed Martin to design and develop the TRANSEC COMSEC Unit (TCU) for the Mobile User Objective System (MUOS), a next-generation narrowband tactical satellite communication system that will provide significantly improved and assured voice...

In a landmark agreement aimed at creating a harmonized information and communication technology (ICT) market, regulators from 15 West African nations have agreed to a common regulatory framework for their national ICT markets. The agreement marks a significant step forward for the region, which is seeking to create a...

Alcatel Alenia Space has entered into partnership with the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the European Space Agency (ESA) in the frame of the SpaceForScience programme. This is aimed at providing telecommunication and multimedia satellite services for education and research institutes in South Eastern Europe....