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">"iogp-datum-6650"</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">"ITRF91"</span> <span class="na">code=</span><span class="s">"2084"</span> <span class="na">codeSpace=</span><span class="s">"urn:ogc:def:naming-system:EPSG::7302"</span> <span class="nt">/></span>
<span class="nt"><epsg:alias</span> <span class="na">alias=</span><span class="s">"IERS Terrestrial Reference Frame 1991"</span> <span class="na">code=</span><span class="s">"3419"</span> <span class="na">codeSpace=</span><span class="s">"urn:ogc:def:naming-system:EPSG::7301"</span><span class="nt">></span>
<span class="nt"><epsg:remarks></span>Original name was IERS Terrestrial Reference Frame. IERS changed to International in 1996.<span class="nt"></epsg:remarks></span>
<span class="nt"></epsg:alias></span>
<span class="nt"><epsg:informationSource></span>International Earth Rotation Service (IERS) Technical Note No. 12, October 1992. Also IGN Paris http://lareg.ensg.ign.fr/ITRF<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2017-07-14<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::2006.770"</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::2006.892"</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::2014.092"</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::2017.029"</span> <span class="nt">/></span>
<span class="nt"></epsg:changes></span>
<span class="nt"><epsg:show></span>true<span class="nt"></epsg:show></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">"IOGP"</span><span class="nt">></span>urn:ogc:def:datum:EPSG::6650<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>International Terrestrial Reference Frame 1991<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>Realization of the IERS Terrestrial Reference System (ITRS) from October 1992. Replaces ITRF90 (code 6649). Replaced by ITRF92 (code 6651).<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::1262"</span> <span class="nt">/></span>
<span class="nt"><gml:scope></span>Geodesy.<span class="nt"></gml:scope></span>
<span class="nt"><gml:anchorDefinition></span>Origin at geocentre, orientated to the BIH Terrestrial System at epoch 1984.0. Datum defined by a set of 3-dimensional Cartesian station coordinates (SCS) for epoch 1988.0.<span class="nt"></gml:anchorDefinition></span>
<span class="nt"><gml:realizationEpoch></span>1988-01-01<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::7019"</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="iogp-datum-6650">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:type>geodetic</epsg:type>
<epsg:alias alias="ITRF91" code="2084" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
<epsg:alias alias="IERS Terrestrial Reference Frame 1991" code="3419" codeSpace="urn:ogc:def:naming-system:EPSG::7301">
<epsg:remarks>Original name was IERS Terrestrial Reference Frame. IERS changed to International in 1996.</epsg:remarks>
</epsg:alias>
<epsg:informationSource>International Earth Rotation Service (IERS) Technical Note No. 12, October 1992. Also IGN Paris http://lareg.ensg.ign.fr/ITRF</epsg:informationSource>
<epsg:revisionDate>2017-07-14</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.770" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.892" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2014.092" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.029" />
</epsg:changes>
<epsg:show>true</epsg:show>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="IOGP">urn:ogc:def:datum:EPSG::6650</gml:identifier>
<gml:name>International Terrestrial Reference Frame 1991</gml:name>
<gml:remarks>Realization of the IERS Terrestrial Reference System (ITRS) from October 1992. Replaces ITRF90 (code 6649). Replaced by ITRF92 (code 6651).</gml:remarks>
<gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1262" />
<gml:scope>Geodesy.</gml:scope>
<gml:anchorDefinition>Origin at geocentre, orientated to the BIH Terrestrial System at epoch 1984.0. Datum defined by a set of 3-dimensional Cartesian station coordinates (SCS) for epoch 1988.0.</gml:anchorDefinition>
<gml:realizationEpoch>1988-01-01</gml:realizationEpoch>
<gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
<gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7019" />
</gml:GeodeticDatum>