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		<title>Lee et al 2008a - Revision history</title>
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		<updated>2026-04-25T22:48:22Z</updated>
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		<title>Scipediacontent: Scipediacontent moved page Draft Content 208887359 to Lee et al 2008a</title>
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				<updated>2021-02-01T20:10:53Z</updated>
		
		<summary type="html">&lt;p&gt;Scipediacontent moved page &lt;a href=&quot;/public/Draft_Content_208887359&quot; class=&quot;mw-redirect&quot; title=&quot;Draft Content 208887359&quot;&gt;Draft Content 208887359&lt;/a&gt; to &lt;a href=&quot;/public/Lee_et_al_2008a&quot; title=&quot;Lee et al 2008a&quot;&gt;Lee et al 2008a&lt;/a&gt;&lt;/p&gt;
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				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 20:10, 1 February 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan='2' style='text-align: center;' lang='en'&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Scipediacontent</name></author>	</entry>

	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Lee_et_al_2008a&amp;diff=197581&amp;oldid=prev</id>
		<title>Scipediacontent: Created page with &quot; == Abstract ==  The Next Generation Air Transportation System (NextGen) envisions a flexible, dynamic airspace structure that is better able to adapt to changing traffic cond...&quot;</title>
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				<updated>2021-02-01T20:10:46Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot; == Abstract ==  The Next Generation Air Transportation System (NextGen) envisions a flexible, dynamic airspace structure that is better able to adapt to changing traffic cond...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Abstract ==&lt;br /&gt;
&lt;br /&gt;
The Next Generation Air Transportation System (NextGen) envisions a flexible, dynamic airspace structure that is better able to adapt to changing traffic conditions than today’s rigid system of airways and airspace sectors. However, to develop effective NextGen airspace concepts, a thorough understanding is needed of current airspace configuration practices, and of the constraints that influence airspace design. This paper describes current-day airspace configuration practices and the factors that affect the partitioning of today’s airspace. These observations are based on site visits to air traffic control facilities and subject matter expert critiques of potential future airspace designs. The implications that today’s airspace configuration practices have for NextGen airspace concepts are then discussed.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Original document ==&lt;br /&gt;
&lt;br /&gt;
The different versions of the original document can be found in:&lt;br /&gt;
&lt;br /&gt;
* [http://pdfs.semanticscholar.org/8fbf/9506dd5fc07a8f26be77a1d2d73981ca00af.pdf http://pdfs.semanticscholar.org/8fbf/9506dd5fc07a8f26be77a1d2d73981ca00af.pdf]&lt;br /&gt;
&lt;br /&gt;
* [http://arc.aiaa.org/doi/pdf/10.2514/6.2008-8936 http://arc.aiaa.org/doi/pdf/10.2514/6.2008-8936],&lt;br /&gt;
: [http://dx.doi.org/10.2514/6.2008-8936 http://dx.doi.org/10.2514/6.2008-8936]&lt;br /&gt;
&lt;br /&gt;
* [https://humansystems.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf https://humansystems.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf],&lt;br /&gt;
: [https://human-factors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf https://human-factors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf],&lt;br /&gt;
: [https://arc.aiaa.org/doi/pdfplus/10.2514/6.2008-8936 https://arc.aiaa.org/doi/pdfplus/10.2514/6.2008-8936],&lt;br /&gt;
: [https://humanfactors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf https://humanfactors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf],&lt;br /&gt;
: [https://hsi.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf https://hsi.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf],&lt;br /&gt;
: [http://humanfactors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf http://humanfactors.arc.nasa.gov/publications/Doble_ATIO_ICAS_2008.pdf],&lt;br /&gt;
: [https://academic.microsoft.com/#/detail/2333346610 https://academic.microsoft.com/#/detail/2333346610]&lt;/div&gt;</summary>
		<author><name>Scipediacontent</name></author>	</entry>

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