From MapTiler Team
Data source: OGP
Information source: Ordnance Survey International
Revision date: 1995-12-02
Scope: Large and medium scale topographic mapping and engineering survey.
Remarks: Replaces Ghana National Grid (code 19959) from 1978. British foot (Sears 1922) used to convert projection defining parameters.
Method: Transverse Mercator
Area of use: Ghana - onshore and offshore.
Description: (0,)
&stroke=red&width=2&path=1.4,-3.79|11.16,-3.79|11.16,2.1|1.4,2.1|1.4,-3.79)
Definition: OGP XML
<?xml version="1.0" encoding="UTF-8"?>
<gml:Conversion xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-op-19904">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:type>conversion</epsg:type>
<epsg:informationSource>Ordnance Survey International</epsg:informationSource>
<epsg:revisionDate>1995-12-02</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::1996.290" />
</epsg:changes>
<epsg:show>true</epsg:show>
<epsg:isDeprecated>false</epsg:isDeprecated>
<epsg:sexagesimalValue uom="urn:ogc:def:uom:EPSG::9110">
<epsg:degrees>4</epsg:degrees>
<epsg:minutes>40</epsg:minutes>
<epsg:hemisphere>N</epsg:hemisphere>
<epsg:propertyReference xlink:href="urn:ogc:def:parameter:EPSG::8801" />
</epsg:sexagesimalValue>
<epsg:sexagesimalValue uom="urn:ogc:def:uom:EPSG::9110">
<epsg:degrees>1</epsg:degrees>
<epsg:hemisphere>W</epsg:hemisphere>
<epsg:propertyReference xlink:href="urn:ogc:def:parameter:EPSG::8802" />
</epsg:sexagesimalValue>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="OGP">urn:ogc:def:coordinateOperation:EPSG::19904</gml:identifier>
<gml:name>Ghana Metre Grid</gml:name>
<gml:remarks>Replaces Ghana National Grid (code 19959) from 1978. British foot (Sears 1922) used to convert projection defining parameters.</gml:remarks>
<gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1104" />
<gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope>
<gml: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>
</gml:coordinateOperationAccuracy>
<gml:method xlink:href="urn:ogc:def:method:EPSG::9807" />
<gml:parameterValue>
<gml:ParameterValue>
<gml:value uom="urn:ogc:def:uom:EPSG::9102">4.666666666667</gml:value>
<gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" />
</gml:ParameterValue>
</gml:parameterValue>
<gml:parameterValue>
<gml:ParameterValue>
<gml:value uom="urn:ogc:def:uom:EPSG::9102">-1</gml:value>
<gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" />
</gml:ParameterValue>
</gml:parameterValue>
<gml:parameterValue>
<gml:ParameterValue>
<gml:value uom="urn:ogc:def:uom:EPSG::9201">0.99975</gml:value>
<gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" />
</gml:ParameterValue>
</gml:parameterValue>
<gml:parameterValue>
<gml:ParameterValue>
<gml:value uom="urn:ogc:def:uom:EPSG::9001">274319.51</gml:value>
<gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" />
</gml:ParameterValue>
</gml:parameterValue>
<gml:parameterValue>
<gml:ParameterValue>
<gml:value uom="urn:ogc:def:uom:EPSG::9001">0</gml:value>
<gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" />
</gml:ParameterValue>
</gml:parameterValue>
</gml:Conversion>
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