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Tsunami alert.


In reference to your November 2005 story, "Satellite Radio Could Globalize glob·al·ize  
tr.v. glob·al·ized, glob·al·iz·ing, glob·al·iz·es
To make global or worldwide in scope or application.



glob
 Tsunami Warning," Raytheon may have an idea, but it's by no means new or unique.

The National Oceanic & Atmospheric Administration has been operating the EMWIN EMWIN Emergency Managers Weather Information Network (NOAA/NWS/FEMA)
EMWIN Electromagnetic Window
 (Emergency Managers Weather Information Network) satellite service for emergency managers for several years now, with coverage over North America North America, third largest continent (1990 est. pop. 365,000,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere.  and the Pacific Basin.

Raytheon's claim to be able to reach the United States United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest country in population and the fourth largest country in area.  overnight is at least a decade late. I admit that they are not very good at letting people know about the service, but I suspect that Raytheon's system doesn't scratch the surface of EMWIN's requirements. EMWIN content is coded to target geo-political regions (region, state, county) since that is where emergency management originates. These are full text and graphic products that can be displayed, printed and recalled on demand.

Competitive software applications support terrestrial retransmission Retransmission might refer to:
  • Retransmission (data networks), the resending of packets which have been damaged or lost
  • Replication of a signal at a repeater
, faxing, paging and custom content insertion. The XM product forces all content on all users. EMWIN applications support filtering to eliminate "alert fatigue" and direct content to responders.

Alan Yelvinton

Arlington, VA
COPYRIGHT 2006 National Defense Industrial Association
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2006 Gale, Cengage Learning. All rights reserved.

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Title Annotation:LETTERS
Author:Yelvinton, Alan
Publication:National Defense
Article Type:Letter to the Editor
Geographic Code:1USA
Date:Feb 1, 2006
Words:176
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