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Japan Plans GPS-Based Flight System
Japan plans to implement an airplane navigation system that builds virtual multilane highways in the sky, making flights shorter and safer. The Sky Highway system would be linked to global-positioning-system satellites, enabling aircraft to locate their position with far greater precision than now. It would put flights in parallel lanes, find the shortest routes and reduce flight congestion, the Asahi Shimbun reported Tuesday. Under the system, targeted for introduction by the end of 2007, the airspace above 32,800 feet would be reserved exclusively for wide-area navigation, with aircraft arranged in multiple lanes running in the same direction. Recent midair near misses were blamed partly on congestion resulting from the present system based on radio signals from ground stations, which put flights on a relatively inefficient zigzag course. The new navigation system could shorten the distance between planes, allowing up to five times more commercial aircraft to ply the same route. All rights reserved. Copyright 2004 by United Press International. Sections of the information displayed on this page (dispatches, photographs, logos) are protected by intellectual property rights owned by United Press International. As a consequence, you may not copy, reproduce, modify, transmit, publish, display or in any way commercially exploit any of the content of this section without the prior written consent of by United Press International. Related Links SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express 
RFDomus Offers Industry's Lowest Power RFIC for GPS Products
Irvine CA (SPX) Sep 16, 2004RFDomus Inc., a fabless semiconductor company specializing in advanced radio frequency (RF) and analog mixed-signal (AMS) semiconductor devices for the wireless communications marketplace, today announced that it is addressing the growing requirements for low power consumption and increasing GPS functionality in cellular phones and other portable communications applications with the introduction of the RFD1400 GPS receiver. Offering ultra-low power consumption of 12 milliwatts (mW), the RFD1400 is the industry's lowest power RFIC for GPS applications.
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