EPSG:6686

Marco Geocentrico Nacional de Referencia

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: OGP

Information source: Instituto Geografico Agustin Codazzi (IGAC) publication "Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia". http://www.igac.gov.co/MAGNAWEB/DocumentosMAGNA.htm

Revision date: 2018-05-29

Scope: Geodetic survey.

Remarks: Densification of SIRGAS 1995 within Colombia. Replaces Bogota 1975 (datum code 6218).

Area of use: Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.

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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;iogp-datum-6686&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;MAGNA-SIRGAS&quot;</span> <span class="na">code=</span><span class="s">&quot;2810&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>Instituto Geografico Agustin Codazzi (IGAC) publication &quot;Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia&quot;. http://www.igac.gov.co/MAGNAWEB/DocumentosMAGNA.htm<span class="nt">&lt;/epsg:informationSource&gt;</span> <span class="nt">&lt;epsg:revisionDate&gt;</span>2018-05-29<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::2006.770&quot;</span> <span class="nt">/&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::2007.060&quot;</span> <span class="nt">/&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:changeID</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:change-request:EPSG::2011.004&quot;</span> <span class="nt">/&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::2016.020&quot;</span> <span class="nt">/&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::2018.021&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/epsg:changes&gt;</span> <span class="nt">&lt;epsg:show&gt;</span>true<span class="nt">&lt;/epsg:show&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;IOGP&quot;</span><span class="nt">&gt;</span>urn:ogc:def:datum:EPSG::6686<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:name&gt;</span>Marco Geocentrico Nacional de Referencia<span class="nt">&lt;/gml:name&gt;</span> <span class="nt">&lt;gml:remarks&gt;</span>Densification of SIRGAS 1995 within Colombia. Replaces Bogota 1975 (datum code 6218).<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::1070&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:scope&gt;</span>Geodetic survey.<span class="nt">&lt;/gml:scope&gt;</span> <span class="nt">&lt;gml:anchorDefinition&gt;</span>Densification of SIRGAS95 (ITRF94 at epoch 1995.4) in Colombia. Bogota observatory coordinates: Latitude: 4°35&#39;46.3215&quot;N, longitude: 74°04&#39;39.0285&quot;W (of Greenwich).<span class="nt">&lt;/gml:anchorDefinition&gt;</span> <span class="nt">&lt;gml:realizationEpoch&gt;</span>2004-10-01<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::7019&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="iogp-datum-6686">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>geodetic</epsg:type>
      <epsg:alias alias="MAGNA-SIRGAS" code="2810" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:informationSource>Instituto Geografico Agustin Codazzi (IGAC) publication "Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia". http://www.igac.gov.co/MAGNAWEB/DocumentosMAGNA.htm</epsg:informationSource>
      <epsg:revisionDate>2018-05-29</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::2007.060" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2008.045" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2011.004" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2016.020" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2018.021" />
      </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::6686</gml:identifier>
  <gml:name>Marco Geocentrico Nacional de Referencia</gml:name>
  <gml:remarks>Densification of SIRGAS 1995 within Colombia. Replaces Bogota 1975 (datum code 6218).</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1070" />
  <gml:scope>Geodetic survey.</gml:scope>
  <gml:anchorDefinition>Densification of SIRGAS95 (ITRF94 at epoch 1995.4) in Colombia. Bogota observatory coordinates: Latitude: 4°35'46.3215"N, longitude: 74°04'39.0285"W (of Greenwich).</gml:anchorDefinition>
  <gml:realizationEpoch>2004-10-01</gml:realizationEpoch>
  <gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
  <gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7019" />
</gml:GeodeticDatum>