EPSG:6609

North American Datum 1927 (CGQ77)

Attributes

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: OGP

Information source: Geodetic Service of Quebec. Contact alain.bernard@mrn.gouv.qc.ca

Revision date: 2008-06-24

Scope: Geodetic survey, cadastre, topographic mapping, engineering survey.

Remarks: NAD27 (CGQ77) used in Quebec for all maps at scale 1/20 000 and larger; generally for maps issued by the Quebec cartography office whose reference system is CGQ77.

Area of use: Canada - Quebec.

SimpleMap

WGS84 bounds:
-57.1 44.99
-79.85 62.62

Canada - Quebec.
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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-6609&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;CGQ77&quot;</span> <span class="na">code=</span><span class="s">&quot;334&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:informationSource&gt;</span>Geodetic Service of Quebec. Contact alain.bernard@mrn.gouv.qc.ca<span class="nt">&lt;/epsg:informationSource&gt;</span> <span class="nt">&lt;epsg:revisionDate&gt;</span>2008-06-24<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::2008.045&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::6609<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:name&gt;</span>North American Datum 1927 (CGQ77)<span class="nt">&lt;/gml:name&gt;</span> <span class="nt">&lt;gml:remarks&gt;</span>NAD27 (CGQ77) used in Quebec for all maps at scale 1/20 000 and larger; generally for maps issued by the Quebec cartography office whose reference system is CGQ77.<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::1368&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:scope&gt;</span>Geodetic survey, cadastre, topographic mapping, engineering survey.<span class="nt">&lt;/gml:scope&gt;</span> <span class="nt">&lt;gml:anchorDefinition&gt;</span>Fundamental point: Meade&#39;s Ranch. Latitude: 39°13&#39;26.686&quot;N, longitude: 98°32&#39;30.506&quot;W (of Greenwich).<span class="nt">&lt;/gml:anchorDefinition&gt;</span> <span class="nt">&lt;gml:realizationEpoch&gt;</span>1977-01-01<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::7008&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-6609">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>geodetic</epsg:type>
         <epsg:alias alias="CGQ77" code="334" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
         <epsg:informationSource>Geodetic Service of Quebec.  Contact alain.bernard@mrn.gouv.qc.ca</epsg:informationSource>
         <epsg:revisionDate>2008-06-24</epsg:revisionDate>
         <epsg:changes>
            <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::6609</gml:identifier>
   <gml:name>North American Datum 1927 (CGQ77)</gml:name>
   <gml:remarks>NAD27 (CGQ77) used in Quebec for all maps at scale 1/20 000 and larger; generally for maps issued by the Quebec cartography office whose reference system is CGQ77.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1368" />
   <gml:scope>Geodetic survey, cadastre, topographic mapping, engineering survey.</gml:scope>
   <gml:anchorDefinition>Fundamental point: Meade's Ranch. Latitude: 39°13'26.686"N, longitude: 98°32'30.506"W (of Greenwich).</gml:anchorDefinition>
   <gml:realizationEpoch>1977-01-01</gml:realizationEpoch>
   <gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
   <gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7008" />
</gml:GeodeticDatum>