Definition: OGP XML
<div class="syntax"><pre><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="nt"><gml:Ellipsoid</span> <span class="na">xmlns:epsg=</span><span class="s">"urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset"</span> <span class="na">xmlns:gml=</span><span class="s">"http://www.opengis.net/gml/3.2"</span> <span class="na">xmlns:xlink=</span><span class="s">"http://www.w3.org/1999/xlink"</span> <span class="na">gml:id=</span><span class="s">"epsg-ellipsoid-7001"</span><span class="nt">></span>
<span class="nt"><gml:metaDataProperty></span>
<span class="nt"><epsg:CommonMetaData></span>
<span class="nt"><epsg:informationSource></span>Ordnance Survey of Great Britain.<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2006-11-27<span class="nt"></epsg:revisionDate></span>
<span class="nt"><epsg:changes></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::1998.321"</span> <span class="nt">/></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::1998.340"</span> <span class="nt">/></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::2006.932"</span> <span class="nt">/></span>
<span class="nt"></epsg:changes></span>
<span class="nt"><epsg:isDeprecated></span>false<span class="nt"></epsg:isDeprecated></span>
<span class="nt"></epsg:CommonMetaData></span>
<span class="nt"></gml:metaDataProperty></span>
<span class="nt"><gml:identifier</span> <span class="na">codeSpace=</span><span class="s">"OGP"</span><span class="nt">></span>urn:ogc:def:ellipsoid:EPSG::7001<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>Airy 1830<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>Original definition is a=20923713, b=20853810 feet of 1796. 1/f is given to 7 decimal places. For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through ([10^0.48401603]/10) exactly = 0.3048007491...<span class="nt"></gml:remarks></span>
<span class="nt"><gml:semiMajorAxis</span> <span class="na">uom=</span><span class="s">"urn:ogc:def:uom:EPSG::9001"</span><span class="nt">></span>6377563.396<span class="nt"></gml:semiMajorAxis></span>
<span class="nt"><gml:secondDefiningParameter></span>
<span class="nt"><gml:SecondDefiningParameter></span>
<span class="nt"><gml:inverseFlattening</span> <span class="na">uom=</span><span class="s">"urn:ogc:def:uom:EPSG::9201"</span><span class="nt">></span>299.3249646<span class="nt"></gml:inverseFlattening></span>
<span class="nt"></gml:SecondDefiningParameter></span>
<span class="nt"></gml:secondDefiningParameter></span>
<span class="nt"></gml:Ellipsoid></span>
</pre></div>
<?xml version="1.0" encoding="UTF-8"?>
<gml:Ellipsoid xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-ellipsoid-7001">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:informationSource>Ordnance Survey of Great Britain.</epsg:informationSource>
<epsg:revisionDate>2006-11-27</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::1998.321" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::1998.340" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.932" />
</epsg:changes>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="OGP">urn:ogc:def:ellipsoid:EPSG::7001</gml:identifier>
<gml:name>Airy 1830</gml:name>
<gml:remarks>Original definition is a=20923713, b=20853810 feet of 1796. 1/f is given to 7 decimal places. For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through ([10^0.48401603]/10) exactly = 0.3048007491...</gml:remarks>
<gml:semiMajorAxis uom="urn:ogc:def:uom:EPSG::9001">6377563.396</gml:semiMajorAxis>
<gml:secondDefiningParameter>
<gml:SecondDefiningParameter>
<gml:inverseFlattening uom="urn:ogc:def:uom:EPSG::9201">299.3249646</gml:inverseFlattening>
</gml:SecondDefiningParameter>
</gml:secondDefiningParameter>
</gml:Ellipsoid>