EPSG:5111

Australian Height Datum

Attributes

Data source: OGP

Information source: GDA2020 Technical Manual (http://www.icsm.gov.au).

Revision date: 2018-04-20

Scope: Topographic mapping, geodetic survey.

Remarks: Initially defined for mainland only, with independent height datums for Australian mainland, Tasmania, Christmas Island and Cocos and Keeling Islands. With introduction of Ausgeoid2020 in 2017, all considered to be AHD.

Area of use: Australia - Australian Capital Territory, New South Wales, Northern Territory, Queensland, South Australia, Tasmania, Western Australia and Victoria - onshore. Christmas Island - onshore. Cocos and Keeling Islands - onshore.

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Definition: OGP XML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:VerticalDatum 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-5111">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>vertical</epsg:type>
      <epsg:alias alias="AHD" code="253" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
      <epsg:alias alias="AHD71" code="7574" codeSpace="urn:ogc:def:naming-system:EPSG::7301">
        <epsg:remarks>Applies prior to 2018 to mainland only.</epsg:remarks>
      </epsg:alias>
      <epsg:alias alias="AHD-TAS83" code="7596" codeSpace="urn:ogc:def:naming-system:EPSG::7301">
        <epsg:remarks>Applies prior to 2018 to Tasmania only.</epsg:remarks>
      </epsg:alias>
      <epsg:informationSource>GDA2020 Technical Manual (http://www.icsm.gov.au).</epsg:informationSource>
      <epsg:revisionDate>2018-04-20</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2018.009" />
      </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::5111</gml:identifier>
  <gml:name>Australian Height Datum</gml:name>
  <gml:remarks>Initially defined for mainland only, with independent height datums for Australian mainland, Tasmania, Christmas Island and Cocos and Keeling Islands. With introduction of Ausgeoid2020 in 2017, all considered to be AHD.</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::4493" />
  <gml:scope>Topographic mapping, geodetic survey.</gml:scope>
  <gml:anchorDefinition>Mainland: MSL 1966-68 at 30 gauges around coast. Tasmania: MSL 1972 at Hobart and Burnie. Christmas Island: MSL (details unspecified). Cocos and Keeling Islands: MSL (details unspecified).</gml:anchorDefinition>
  <gml:realizationEpoch>1971-05-05</gml:realizationEpoch>
</gml:VerticalDatum>
<?xml version="1.0" encoding="UTF-8"?>
 <gml:VerticalDatum 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-5111">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>vertical</epsg:type>
      <epsg:alias alias="AHD" code="253" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
      <epsg:alias alias="AHD71" code="7574" codeSpace="urn:ogc:def:naming-system:EPSG::7301">
        <epsg:remarks>Applies prior to 2018 to mainland only.</epsg:remarks>
      </epsg:alias>
      <epsg:alias alias="AHD-TAS83" code="7596" codeSpace="urn:ogc:def:naming-system:EPSG::7301">
        <epsg:remarks>Applies prior to 2018 to Tasmania only.</epsg:remarks>
      </epsg:alias>
      <epsg:informationSource>GDA2020 Technical Manual (http://www.icsm.gov.au).</epsg:informationSource>
      <epsg:revisionDate>2018-04-20</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2018.009" />
      </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::5111</gml:identifier>
  <gml:name>Australian Height Datum</gml:name>
  <gml:remarks>Initially defined for mainland only, with independent height datums for Australian mainland, Tasmania, Christmas Island and Cocos and Keeling Islands. With introduction of Ausgeoid2020 in 2017, all considered to be AHD.</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::4493" />
  <gml:scope>Topographic mapping, geodetic survey.</gml:scope>
  <gml:anchorDefinition>Mainland: MSL 1966-68 at 30 gauges around coast. Tasmania: MSL 1972 at Hobart and Burnie. Christmas Island: MSL (details unspecified). Cocos and Keeling Islands: MSL (details unspecified).</gml:anchorDefinition>
  <gml:realizationEpoch>1971-05-05</gml:realizationEpoch>
</gml:VerticalDatum>