EPSG:6300

Geodetic Datum of 1965

Attributes

Ellipsoid: Airy Modified 1849

Prime meridian: Greenwich

Data source: OGP

Information source: "The Irish Grid - A Description of the Co-ordinate Reference System" published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast.

Revision date: 2003-06-27

Scope: Geodetic survey, topographic mapping and engineering survey.

Remarks: Differences from the 1965 adjustment (datum code 6299) are: average difference in Eastings 0.092m; average difference in Northings 0.108m; maximum vector difference 0.548m.

Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

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Definition: OGP XML

<div class="syntax"><pre><span class="cp">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;</span> <span class="nt">&lt;gml:GeodeticDatum</span> <span class="na">xmlns:epsg=</span><span class="s">&quot;urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset&quot;</span> <span class="na">xmlns:gml=</span><span class="s">&quot;http://www.opengis.net/gml/3.2&quot;</span> <span class="na">xmlns:xlink=</span><span class="s">&quot;http://www.w3.org/1999/xlink&quot;</span> <span class="na">gml:id=</span><span class="s">&quot;epsg-datum-6300&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;gml:metaDataProperty&gt;</span> <span class="nt">&lt;epsg:CommonMetaData&gt;</span> <span class="nt">&lt;epsg:type&gt;</span>geodetic<span class="nt">&lt;/epsg:type&gt;</span> <span class="nt">&lt;epsg:alias</span> <span class="na">alias=</span><span class="s">&quot;TM75&quot;</span> <span class="na">code=</span><span class="s">&quot;2199&quot;</span> <span class="na">codeSpace=</span><span class="s">&quot;urn:ogc:def:naming-system:EPSG::7302&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;epsg:alias</span> <span class="na">alias=</span><span class="s">&quot;1975 Mapping Adjustment&quot;</span> <span class="na">code=</span><span class="s">&quot;2200&quot;</span> <span class="na">codeSpace=</span><span class="s">&quot;urn:ogc:def:naming-system:EPSG::7301&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;epsg:informationSource&gt;</span>&quot;The Irish Grid - A Description of the Co-ordinate Reference System&quot; published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast.<span class="nt">&lt;/epsg:informationSource&gt;</span> <span class="nt">&lt;epsg:revisionDate&gt;</span>2003-06-27<span class="nt">&lt;/epsg:revisionDate&gt;</span> <span class="nt">&lt;epsg:changes&gt;</span> <span class="nt">&lt;epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:change-request:EPSG::2002.621&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/epsg:changes&gt;</span> <span class="nt">&lt;epsg:isDeprecated&gt;</span>false<span class="nt">&lt;/epsg:isDeprecated&gt;</span> <span class="nt">&lt;/epsg:CommonMetaData&gt;</span> <span class="nt">&lt;/gml:metaDataProperty&gt;</span> <span class="nt">&lt;gml:identifier</span> <span class="na">codeSpace=</span><span class="s">&quot;OGP&quot;</span><span class="nt">&gt;</span>urn:ogc:def:datum:EPSG::6300<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:name&gt;</span>Geodetic Datum of 1965<span class="nt">&lt;/gml:name&gt;</span> <span class="nt">&lt;gml:remarks&gt;</span>Differences from the 1965 adjustment (datum code 6299) are: average difference in Eastings 0.092m; average difference in Northings 0.108m; maximum vector difference 0.548m.<span class="nt">&lt;/gml:remarks&gt;</span> <span class="nt">&lt;gml:domainOfValidity</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:area:EPSG::1305&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:scope&gt;</span>Geodetic survey, topographic mapping and engineering survey.<span class="nt">&lt;/gml:scope&gt;</span> <span class="nt">&lt;gml:anchorDefinition&gt;</span>Adjusted to best mean fit 9 stations of the OSNI 1952 primary adjustment in Northern Ireland plus the 1965 values of 3 stations in the Republic of Ireland.<span class="nt">&lt;/gml:anchorDefinition&gt;</span> <span class="nt">&lt;gml:realizationEpoch&gt;</span>1975-01-01<span class="nt">&lt;/gml:realizationEpoch&gt;</span> <span class="nt">&lt;gml:primeMeridian</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:meridian:EPSG::8901&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:ellipsoid</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:ellipsoid:EPSG::7002&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/gml:GeodeticDatum&gt;</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-6300">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>geodetic</epsg:type>
         <epsg:alias alias="TM75" code="2199" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
         <epsg:alias alias="1975 Mapping Adjustment" code="2200" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
         <epsg:informationSource>"The Irish Grid - A Description of the Co-ordinate Reference System" published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast.</epsg:informationSource>
         <epsg:revisionDate>2003-06-27</epsg:revisionDate>
         <epsg:changes>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2002.621" />
         </epsg:changes>
         <epsg:isDeprecated>false</epsg:isDeprecated>
      </epsg:CommonMetaData>
   </gml:metaDataProperty>
   <gml:identifier codeSpace="OGP">urn:ogc:def:datum:EPSG::6300</gml:identifier>
   <gml:name>Geodetic Datum of 1965</gml:name>
   <gml:remarks>Differences from the 1965 adjustment (datum code 6299) are: average difference in Eastings 0.092m; average difference in Northings 0.108m; maximum vector difference 0.548m.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1305" />
   <gml:scope>Geodetic survey, topographic mapping and engineering survey.</gml:scope>
   <gml:anchorDefinition>Adjusted to best mean fit 9 stations of the OSNI 1952 primary adjustment in Northern Ireland plus the 1965 values of 3 stations in the Republic of Ireland.</gml:anchorDefinition>
   <gml:realizationEpoch>1975-01-01</gml:realizationEpoch>
   <gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
   <gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7002" />
</gml:GeodeticDatum>