Definition: OGP XML
<div class="syntax"><pre><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="nt"><gml:GeodeticDatum</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-datum-6179"</span><span class="nt">></span>
<span class="nt"><gml:metaDataProperty></span>
<span class="nt"><epsg:CommonMetaData></span>
<span class="nt"><epsg:type></span>geodetic<span class="nt"></epsg:type></span>
<span class="nt"><epsg:alias</span> <span class="na">alias=</span><span class="s">"42/58"</span> <span class="na">code=</span><span class="s">"1231"</span> <span class="na">codeSpace=</span><span class="s">"urn:ogc:def:naming-system:EPSG::7307"</span> <span class="nt">/></span>
<span class="nt"><epsg:informationSource></span>Glowny Urzad Geodezji i Kartografii via EuroGeographics; http://crs.bkg.bund.de/crs-eu/<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2008-09-24<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::2008.011"</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::2008.045"</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:datum:EPSG::6179<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>Pulkovo 1942(58)<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>1956 international adjustment of Uniform Astro-Geodetic Network of countries of central and eastern Europe. Locally densified during 1957 and 1958.<span class="nt"></gml:remarks></span>
<span class="nt"><gml:domainOfValidity</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:area:EPSG::3574"</span> <span class="nt">/></span>
<span class="nt"><gml:scope></span>Geodetic survey, cadastre, topographic mapping, engineering survey.<span class="nt"></gml:scope></span>
<span class="nt"><gml:anchorDefinition></span>Fundamental point: Pulkovo observatory. Latitude: 59°46'18.550"N, longitude: 30°19'42.090"E (of Greenwich).<span class="nt"></gml:anchorDefinition></span>
<span class="nt"><gml:realizationEpoch></span>1956-01-01<span class="nt"></gml:realizationEpoch></span>
<span class="nt"><gml:primeMeridian</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:meridian:EPSG::8901"</span> <span class="nt">/></span>
<span class="nt"><gml:ellipsoid</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:ellipsoid:EPSG::7024"</span> <span class="nt">/></span>
<span class="nt"></gml:GeodeticDatum></span>
</pre></div>
<?xml version="1.0" encoding="UTF-8"?>
<gml:GeodeticDatum 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-datum-6179">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:type>geodetic</epsg:type>
<epsg:alias alias="42/58" code="1231" codeSpace="urn:ogc:def:naming-system:EPSG::7307" />
<epsg:informationSource>Glowny Urzad Geodezji i Kartografii via EuroGeographics; http://crs.bkg.bund.de/crs-eu/</epsg:informationSource>
<epsg:revisionDate>2008-09-24</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2008.011" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2008.045" />
</epsg:changes>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="OGP">urn:ogc:def:datum:EPSG::6179</gml:identifier>
<gml:name>Pulkovo 1942(58)</gml:name>
<gml:remarks>1956 international adjustment of Uniform Astro-Geodetic Network of countries of central and eastern Europe. Locally densified during 1957 and 1958.</gml:remarks>
<gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3574" />
<gml:scope>Geodetic survey, cadastre, topographic mapping, engineering survey.</gml:scope>
<gml:anchorDefinition>Fundamental point: Pulkovo observatory. Latitude: 59°46'18.550"N, longitude: 30°19'42.090"E (of Greenwich).</gml:anchorDefinition>
<gml:realizationEpoch>1956-01-01</gml:realizationEpoch>
<gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
<gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7024" />
</gml:GeodeticDatum>