<geo:GeodesyML xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:geo="urn:xml-gov-au:icsm:egeodesy:0.5" 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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" gml:id="OAK100GBR">
  <geo:siteLog gml:id="OAK100GBR_20260130">
    <geo:formInformation>
      <geo:FormInformation gml:id="form-info">
        <geo:preparedBy>NGA Office of Geomatics</geo:preparedBy>
        <geo:datePrepared>2026-01-30</geo:datePrepared>
        <geo:reportType>UPDATE</geo:reportType>
      </geo:FormInformation>
    </geo:formInformation>
    <geo:siteIdentification>
      <geo:SiteIdentification gml:id="site-identification">
        <geo:siteName>United Kingdom NGA colocated</geo:siteName>
        <geo:fourCharacterID>OAK1</geo:fourCharacterID>
        <geo:iersDOMESNumber>13235S002</geo:iersDOMESNumber>
        <geo:cdpNumber/>
        <geo:dateInstalled>2015-04-08T00:00:00Z</geo:dateInstalled>
      </geo:SiteIdentification>
    </geo:siteIdentification>
    <geo:siteLocation>
      <geo:SiteLocation gml:id="site-location">
        <geo:city>Oakhanger</geo:city>
        <geo:state/>
        <geo:countryCodeISO codeList="http://xml.gov.au/icsm/geodesyml/codelists/country-codes-codelist.xml#GeodesyML_CountryCode" codeListValue="AUS" codeSpace="urn:xml-gov-au:icsm:egeodesy:0.5">United Kingdom of Great Britain and Northern Ireland (the)</geo:countryCodeISO>
        <geo:tectonicPlate codeSpace="urn:ga-gov-au:plate-type">EURASIAN</geo:tectonicPlate>
        <geo:approximatePositionITRF>
          <geo:cartesianPosition>
            <gml:Point gml:id="itrf_cartesian">
              <gml:pos srsName="EPSG:7789">4011440.6345 -63375.4207 4941877.2641</gml:pos>
            </gml:Point>
          </geo:cartesianPosition>
          <geo:geodeticPosition>
            <gml:Point gml:id="itrf_geodetic">
              <gml:pos srsName="EPSG:7912">51.1176138889 -0.9051222222 </gml:pos>
            </gml:Point>
          </geo:geodeticPosition>
        </geo:approximatePositionITRF>
        <geo:notes/>
      </geo:SiteLocation>
    </geo:siteLocation>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-1">
        <geo:manufacturerSerialNumber>129</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeList="http://xml.gov.au/icsm/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="ITT 3750300" codeSpace="urn:xml-gov-au:icsm:egeodesy:0.5">ITT 3750300</geo:igsModelCode>
        <geo:satelliteSystem>GPS</geo:satelliteSystem>
        <geo:firmwareVersion>V3.2.14</geo:firmwareVersion>
        <geo:elevationCutoffSetting>3</geo:elevationCutoffSetting>
        <geo:dateInstalled>2014-05-21T00:00:00Z</geo:dateInstalled>
        <geo:dateRemoved>2021-10-15T00:00:00Z</geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2014-05-21T00:00:00Z</geo:dateInserted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-2">
        <geo:manufacturerSerialNumber>NR040</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeList="http://xml.gov.au/icsm/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="NOV OEM6" codeSpace="urn:xml-gov-au:icsm:egeodesy:0.5">NOV OEM6</geo:igsModelCode>
        <geo:satelliteSystem>GPS</geo:satelliteSystem>
        <geo:firmwareVersion>D28CBA70</geo:firmwareVersion>
        <geo:elevationCutoffSetting>10</geo:elevationCutoffSetting>
        <geo:dateInstalled>2021-10-15T00:00:00Z</geo:dateInstalled>
        <geo:dateRemoved/>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2021-10-15T00:00:00Z</geo:dateInserted>
    </geo:gnssReceiver>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-1">
        <geo:manufacturerSerialNumber>762-11858</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeList="http://xml.gov.au/icsm/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSAntennaTypeCode" codeListValue="TPSCR.G5 TPSH" codeSpace="urn:xml-gov-au:icsm:egeodesy:0.5">TPSCR.G5        TPSH</geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type">BPA</geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0000</geo:marker-arpUpEcc.>
        <geo:marker-arpNorthEcc.>0.0000</geo:marker-arpNorthEcc.>
        <geo:marker-arpEastEcc.>0.0000</geo:marker-arpEastEcc.>
        <geo:alignmentFromTrueNorth>0</geo:alignmentFromTrueNorth>
        <geo:antennaRadomeType codeSpace="urn:igs-org:gnss-radome-model-code">TPSH</geo:antennaRadomeType>
        <geo:radomeSerialNumber/>
        <geo:antennaCableType/>
        <geo:antennaCableLength xsi:nil="true"/>
        <geo:dateInstalled>2015-04-08T00:00:00Z</geo:dateInstalled>
        <geo:dateRemoved/>
      </geo:GnssAntenna>
      <geo:dateInserted>2015-04-08T00:00:00Z</geo:dateInserted>
    </geo:gnssAntenna>
    <geo:surveyedLocalTie>
      <geo:SurveyedLocalTie gml:id="local-tie-1">
        <geo:tiedMarkerName>UNK</geo:tiedMarkerName>
        <geo:tiedMarkerUsage/>
        <geo:tiedMarkerCDPNumber/>
        <geo:tiedMarkerDOMESNumber/>
        <geo:differentialComponentsGNSSMarkerToTiedMonumentITRS xsi:nil="true"/>
        <geo:localSiteTiesAccuracy xsi:nil="true"/>
        <geo:surveyMethod/>
        <geo:dateMeasured/>
      </geo:SurveyedLocalTie>
      <geo:dateInserted>2021-12-15T00:00:00Z</geo:dateInserted>
    </geo:surveyedLocalTie>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-standard-1">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type">EXTERNAL CESIUM</geo:standardType>
        <geo:inputFrequency>5.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-standard-1-time-period-1">
            <gml:beginPosition>2014-05-21</gml:beginPosition>
            <gml:endPosition>2018-07-17</gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes>HP 5071A</geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2014-05-21T00:00:00Z</geo:dateInserted>
    </geo:frequencyStandard>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-standard-2">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type">EXTERNAL CESIUM</geo:standardType>
        <geo:inputFrequency>5.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-standard-2-time-period-1">
            <gml:beginPosition>2018-07-17</gml:beginPosition>
            <gml:endPosition/>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes>HP 5071A</geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2018-07-17T00:00:00Z</geo:dateInserted>
    </geo:frequencyStandard>
    <geo:siteMetadataCustodian gml:id="site-metadata-custodian">
      <gmd:CI_ResponsibleParty>
        <gmd:individualName>
          <gco:CharacterString>National Geospatial-Intelligence Agency</gco:CharacterString>
        </gmd:individualName>
        <gmd:organisationName>
          <gco:CharacterString>National Geospatial-Intelligence Agency</gco:CharacterString>
        </gmd:organisationName>
        <gmd:contactInfo>
          <gmd:CI_Contact>
            <gmd:address>
              <gmd:CI_Address>
                <gmd:deliveryPoint>
                  <gco:CharacterString>3838 Vogel Rd., Arnold, MO 63010-6238</gco:CharacterString>
                </gmd:deliveryPoint>
                <gmd:electronicMailAddress>
                  <gco:CharacterString>GNSS@nga.mil</gco:CharacterString>
                </gmd:electronicMailAddress>
              </gmd:CI_Address>
            </gmd:address>
          </gmd:CI_Contact>
        </gmd:contactInfo>
        <gmd:role>
          <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"/>
        </gmd:role>
      </gmd:CI_ResponsibleParty>
    </geo:siteMetadataCustodian>
    <geo:moreInformation>
      <geo:MoreInformation gml:id="more-information">
        <geo:dataCenter>CDDIS</geo:dataCenter>
        <geo:dataCenter>SIO</geo:dataCenter>
        <geo:urlForMoreInformation/>
        <geo:siteMap/>
        <geo:siteDiagram/>
        <geo:horizonMask/>
        <geo:monumentDescription/>
        <geo:sitePictures/>
        <geo:antennaGraphicsWithDimensions/>
        <geo:insertTextGraphicFromAntenna>
TPSCR.G5

                       +-------+
                     /           \
                    |             |
  +-----------------+-------------+-----------------+     &lt;--  0.0885  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+
+-------------------+-------------+-------------------+   &lt;--  0.0345  BCR
                    |             |
                    |             |
                    +------x------+                       &lt;--  0.0000  BPA=ARP
                                                                       NOM=NRP
                    &lt;--  0.2380 --&gt;
&lt;--                      0.3800                     --&gt;


    </geo:insertTextGraphicFromAntenna>
        <geo:DOI codeSpace="urn:ga-gov-au:self.moreInformation-type">TODO</geo:DOI>
      </geo:MoreInformation>
    </geo:moreInformation>
  </geo:siteLog>
</geo:GeodesyML>