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International Report DE and Sextant Named RWR Supplier for Northrop Grumman Upgrade Package French electronics contractor Dassault Electronique (DE) has announced that its EWS-A radar-warning receiver (RWR) has been selected for use in Northrop Grumman's F-5 combat aircraft upgrade package. DE is teaming with fellow French contractor Sextant Avionique...

Commercial Market New FCC Filings Outline Expanded SPACEWAY System Hughes Communications Inc. has filed two new applications with the Federal Communications Commission (FCC) to enhance its SPACEWAY™ global broadband communications system by increasing overall system capacity and adding higher data rate transport services. The SPACEWAY EXP™ filing proposes high...

The Book End Open Electromagnetic Waveguides T. Rozzi and M. Mongiardo The Institute of Electrical Engineers 387 pages; $95 The dual properties of waveguide transmission and radiation in open structures are the principle features addressed in this book. Guided-wave electromagnetism and the effects of discontinuities in open, hybrid-mode, three-dimensional...

A PC-based High Frequency Electromagnetic Structure Simulator Infolytica Corp. Montreal, Quebec, Canada Three-dimensional (3-D) electromagnetic simulations of high frequency structures have been both time consuming and costly, running lengthy calculations on sophisticated workstations using expensive software. A new, inexpensive software package now allows the operator to simulate and optimize...

Spectrum Analyzers for High Frequency Point-to-point and Point-to-multipoint Networks Anrtisu Co. Richardson, TX The world of microwave radio continues to add exciting opportunities to the telecommunications market. With the advent of digital microwave technology, manufacturers now are providing point-to-multipoint systems that offer digital voice and data distribution for private...

A GPS Frequency and Time Standard Quartzlock UK Ltd. Totnes, Devon, UK The Global Positioning System (GPS) is used widely to determine location. If at least four of the system's satellites are in view (typically six or seven are in view at one time), position can be determined in...

System Design, Simulation and Analysis Software Elanix Inc. Westlake Village, CA A new comprehensive PC-based software package has been developed specifically to support all aspects of system design. SystemView" is a complete visual design environment for dynamic system design, simulation and analysis. The software suite operates under Windows® with...

A 2 GHz Hand-held RF Field Strength Analyzer Protek Northvale, NJ In today's complex world of wireless communications systems it is sometimes necessary to determine a transmitter's radiated field strength in actual field operating conditions. This strategy requires portable testing in the field, which may be among buildings in...

Cold War to Counter Drug Ellen Ferraro and Drew Ganter Raytheon Co. Bedford, MA A small twin-engine airplane flies low over the water to avoid radar detection. At an undisclosed Caribbean airfield, two men waiting by a truck signal that it is all clear to land. The plane lands...

The Pulse Desensitization Factor Morris Engelson JMS Consulting Portland, OR Len Garrett Tektronix Inc. Beaverton, OR It is well understood that the occupied spectrum width of a pulsed signal is inversely proportional to pulse width, accompanied by an associated reduction in spectrum level as the spectrum width increases. In...