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	<id>https://www.iala.int/wiki/dictionary/index.php?action=history&amp;feed=atom&amp;title=Visual_Range</id>
	<title>Visual Range - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://www.iala.int/wiki/dictionary/index.php?action=history&amp;feed=atom&amp;title=Visual_Range"/>
	<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;action=history"/>
	<updated>2026-10-31T06:05:09Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.41.5</generator>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=13298&amp;oldid=prev</id>
		<title>Minsuids: Dictionary clean-up: identifier → urn:mrn:iala:dic:2-1-0285</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=13298&amp;oldid=prev"/>
		<updated>2026-09-17T10:13:43Z</updated>

		<summary type="html">&lt;p&gt;Dictionary clean-up: identifier → urn:mrn:iala:dic:2-1-0285&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:13, 17 September 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;2-1-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;285&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;urn:mrn:iala:dic:&lt;/ins&gt;2-1-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;0285&#039;&#039;&#039;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;1. The maximum distance (usually horizontal) at which a given object can be seen by day in any particular circumstances, as limited by the atmospheric transmission. The distance is such that the contrast of the object with its background is reduced by the atmosphere to the contrast threshold value for the observer (2-1-300).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;1. The maximum distance (usually horizontal) at which a given object can be seen by day in any particular circumstances, as limited by the atmospheric transmission. The distance is such that the contrast of the object with its background is reduced by the atmosphere to the contrast threshold value for the observer (2-1-300).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Minsuids</name></author>
	</entry>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=10235&amp;oldid=prev</id>
		<title>Minsuids at 12:06, 4 February 2024</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=10235&amp;oldid=prev"/>
		<updated>2024-02-04T12:06:05Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:06, 4 February 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot;&gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Alphabetical Index]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Alphabetical Index]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:IALA Dictionary 1970-89 Edition]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:IALA Dictionary 1970-89 Edition]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:IALA Dictionary 2023 Revision]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Minsuids</name></author>
	</entry>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=6621&amp;oldid=prev</id>
		<title>Oferiks: 1 revision</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=6621&amp;oldid=prev"/>
		<updated>2009-03-01T10:01:04Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:01, 1 March 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Oferiks</name></author>
	</entry>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=6620&amp;oldid=prev</id>
		<title>Oferiks: 1 revision</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=6620&amp;oldid=prev"/>
		<updated>2009-02-25T10:00:08Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:00, 25 February 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Oferiks</name></author>
	</entry>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=1524&amp;oldid=prev</id>
		<title>Oferiks: 1 revision</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=1524&amp;oldid=prev"/>
		<updated>2009-02-25T00:00:08Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:00, 25 February 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Oferiks</name></author>
	</entry>
	<entry>
		<id>https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=1523&amp;oldid=prev</id>
		<title>Oferiks at 12:00, 15 February 2009</title>
		<link rel="alternate" type="text/html" href="https://www.iala.int/wiki/dictionary/index.php?title=Visual_Range&amp;diff=1523&amp;oldid=prev"/>
		<updated>2009-02-15T12:00:00Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;2-1-285&lt;br /&gt;
&lt;br /&gt;
1. The maximum distance (usually horizontal) at which a given object can be seen by day in any particular circumstances, as limited by the atmospheric transmission. The distance is such that the contrast of the object with its background is reduced by the atmosphere to the contrast threshold value for the observer (2-1-300).&lt;br /&gt;
&lt;br /&gt;
2. Loosely used as a synonym for &amp;quot;visibility&amp;quot; (in sense 2 of 2-1 -275). This use of the term is deprecated.&lt;br /&gt;
&lt;br /&gt;
{{IALAFooter}}&lt;br /&gt;
&lt;br /&gt;
{{languages|Visual Range}}&lt;br /&gt;
[[Category:2.1 Optics and Vision]]&lt;br /&gt;
[[Category:Alphabetical Index]]&lt;br /&gt;
[[Category:IALA Dictionary 1970-89 Edition]]&lt;/div&gt;</summary>
		<author><name>Oferiks</name></author>
	</entry>
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