<Conversion xmlns:gmd="http://www.isotc211.org/2005/gmd"
            xmlns:gco="http://www.isotc211.org/2005/gco"
            xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:0.1:dataset"
            xmlns:gml="http://www.opengis.net/gml"
            xmlns:xlink="http://www.w3.org/1999/xlink"
            xmlns:rim="urn:oasis:names:tc:ebxml-regrep:xsd:rim:3.0"
            xmlns="http://www.opengis.net/gml"
            gml:id="epsg-op-19916">
   <metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>conversion</epsg:type>
         <epsg:informationSource>Ordnance Survey of Great Britain. http://www.gps.gov.uk/additionalInfo/images/A_guide_to_coord.pdf</epsg:informationSource>
         <epsg:revisionDate>2003-01-08</epsg:revisionDate>
         <epsg:changes>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::1995.300"/>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2003.010"/>
         </epsg:changes>
         <epsg:show>true</epsg:show>
         <epsg:isDeprecated>false</epsg:isDeprecated>
      </epsg:CommonMetaData>
   </metaDataProperty>
   <identifier codeSpace="OGP">urn:ogc:def:coordinateOperation:EPSG::19916</identifier>
   <name>British National Grid</name>
   <domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1264"/>
   <scope>Large and medium scale topographic mapping and engineering survey.</scope>
   <coordinateOperationAccuracy>
      <gmd:DQ_RelativeInternalPositionalAccuracy>
         <gmd:result>
            <gmd:DQ_QuantitativeResult>
               <gmd:valueUnit xlink:href="urn:ogc:def:uom:EPSG::9001"/>
               <gmd:value>
                  <gco:Record>
                     <gco:Decimal>0</gco:Decimal>
                  </gco:Record>
               </gmd:value>
            </gmd:DQ_QuantitativeResult>
         </gmd:result>
      </gmd:DQ_RelativeInternalPositionalAccuracy>
   </coordinateOperationAccuracy>
   <method xlink:href="urn:ogc:def:method:EPSG::9807"/>
   <parameterValue>
      <ParameterValue>
         <value uom="urn:ogc:def:uom:EPSG::9102">49</value>
         <operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8801"/>
      </ParameterValue>
   </parameterValue>
   <parameterValue>
      <ParameterValue>
         <value uom="urn:ogc:def:uom:EPSG::9102">-2</value>
         <operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8802"/>
      </ParameterValue>
   </parameterValue>
   <parameterValue>
      <ParameterValue>
         <value uom="urn:ogc:def:uom:EPSG::9201">0.9996012717</value>
         <operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8805"/>
      </ParameterValue>
   </parameterValue>
   <parameterValue>
      <ParameterValue>
         <value uom="urn:ogc:def:uom:EPSG::9001">400000</value>
         <operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8806"/>
      </ParameterValue>
   </parameterValue>
   <parameterValue>
      <ParameterValue>
         <value uom="urn:ogc:def:uom:EPSG::9001">-100000</value>
         <operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8807"/>
      </ParameterValue>
   </parameterValue>
</Conversion>