ATM ModernizationScan Rebuilding Iraqi ATC A team of Raytheon ATM officials traveled to Iraq in late January, responding to an initial $10.5-million contract the company won to rebuild the air traffic control (ATC) facilities…
MilitaryKeeping Secrets in Integrated Avionics In the not-too-distant future, military aircraft may receive and exchange classified data with a variety of systems, as nodes in a global network. At the same time, military aircraft are equipping with…
Business & GASystem Design: What to Listen for in Digital Audio We live in an analog universe, where every sound and color has infinite complexity, depth and resolution� Every sense–hearing, taste, smell, etc.–is analog in nature. As humans, we don't have the ability…
Business & GAUAVs: Out of Uniform When Greg Holland began working on commercial applications for unmanned air vehicles (UAVs) in 1993, "there was absolutely no one–and now there is quite a growing field of people with various systems,…
ATM ModernizationLonger Legs for VHF A drawback to standard VHF radio communication is that it is limited in range to little more than line of sight. Unlike HF and lower frequencies, VHF's transmitted waves propagate minimally around…
CommercialSynthetic Vision: No Longer Futuristic Little more than a decade ago, Gordon Pratt, president of Chelton Flight Systems, was asked why there were no new electronic flight instrument system (EFIS) products and why manufacturers of new-design aircraft…
Business & GAWireless Undeterred Despite a number of unanswered questions regarding interference risks posed by wireless Internet access or the use of personal electronic devices (PEDs) on board aircraft (January 2004), airlines and bizjet operators are…
Business & GAPaving the Way for Airborne Broadband Broadband–true broadband, prefixing bits per second with "mega" rather than "kilo"–is high on the wish list of people wanting to stay connected while on the move. Corporate executives and government officials, used…