<?xml version="1.0" encoding="UTF-8"?>
<!-- 
License: CC By 4.0 (https://creativecommons.org/licenses/by/4.0/)
Copyright: Royal Observatory of Belgium (please acknowledge us and/or cite doi:10.24414/ROB-GNSS-M3G)
-->
<geo:GeodesyML xmlns:geo="urn:xml-gov-au:icsm:egeodesy:0.5" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="TUBI00TUR">
  <geo:siteLog gml:id="tubi00tur_20250108">
    <geo:formInformation>
      <geo:FormInformation gml:id="form-info">
        <geo:preparedBy>Dr. Rahsan Cakmak</geo:preparedBy>
        <geo:datePrepared>2025-01-08</geo:datePrepared>
        <geo:reportType>UPDATE</geo:reportType>
      </geo:FormInformation>
    </geo:formInformation>
    <geo:siteIdentification>
      <geo:SiteIdentification gml:id="site-identification">
        <geo:siteName>Gebze</geo:siteName>
        <geo:fourCharacterID>TUBI</geo:fourCharacterID>
        <geo:monumentNumber>0</geo:monumentNumber>
        <geo:receiverNumber>0</geo:receiverNumber>
        <geo:monumentInscription>Pillar</geo:monumentInscription>
        <geo:iersDOMESNumber>20806M001</geo:iersDOMESNumber>
        <geo:cdpNumber></geo:cdpNumber>
        <geo:monumentDescription codeSpace="urn:ga-gov-au:monument-description-type"><![CDATA[PILLAR/BRASS]]></geo:monumentDescription>
        <geo:monumentFoundation>CONCRETE BLOCK</geo:monumentFoundation>
        <geo:markerDescription>CHISELLED BRASS NAIL</geo:markerDescription>
        <geo:dateInstalled>1998-05-07T00:00:00Z</geo:dateInstalled>
        <geo:geologicCharacteristic codeSpace="urn:ga-gov-au:geologic-characteristic-type"><![CDATA[Bedrock]]></geo:geologicCharacteristic>
        <geo:bedrockType></geo:bedrockType>
        <geo:bedrockCondition></geo:bedrockCondition>
        <geo:fractureSpacing></geo:fractureSpacing>
        <geo:faultZonesNearby codeSpace="urn:ga-gov-au:fault-zones-type"><![CDATA[YES/North Anatolian Fault]]></geo:faultZonesNearby>
        <geo:distance-Activity></geo:distance-Activity>
        <geo:notes><![CDATA[Bedrock is sandstone (Slightly altered) of
Triassic red-bed typical series of Gebze Area.
A Trimble 4000SSi has been in operation
since 14-JAN-1999 at the Gebze GPS
Permanent Station.
Previously, this site was occupied
by Ashtech Z12 between
7-MAY-1998 and 6-JAN-1999. Historical
data are available via on-site
contact point (Rahsan.Cakmak@tubitak.gov.tr)]]></geo:notes>
      </geo:SiteIdentification>
    </geo:siteIdentification>
    <geo:siteLocation>
      <geo:SiteLocation gml:id="site-location">
        <geo:city>Gebze</geo:city>
        <geo:state>Kocaeli</geo:state>
        <geo:countryCodeISO codeSpace="urn:gnss-metadata.eu:country-code" codeList="https://gnss-metadata.eu/geodesyml/codelists/country-codes-codelist.xml#GeodesyML_CountryCode" codeListValue="TUR"><![CDATA[TUR]]></geo:countryCodeISO>
        <geo:tectonicPlate codeSpace="urn:ga-gov-au:plate-type"><![CDATA[EURASIAN]]></geo:tectonicPlate>
        <geo:approximatePositionITRF>
          <geo:cartesianPosition>
            <gml:Point gml:id="pos_cartesian">
              <gml:pos srsName="EPSG:4978"><![CDATA[4211318.5218401 2377865.7589097 4144664.4558415]]></gml:pos>
            </gml:Point>
          </geo:cartesianPosition>
          <geo:geodeticPosition>
            <gml:Point gml:id="pos_ellipsoidal">
              <gml:pos srsName="EPSG:4979"><![CDATA[40.78672743914 29.450675098112 221.831]]></gml:pos>
            </gml:Point>
          </geo:geodeticPosition>
        </geo:approximatePositionITRF>
        <geo:notes></geo:notes>
      </geo:SiteLocation>
    </geo:siteLocation>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb83e546.65320493">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>LP00658</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="ASHTECH Z-XII3"><![CDATA[ASHTECH Z-XII3]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[CA00]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[1998-05-07T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[1999-01-06T00:00:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>1998-05-07T00:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb84aff6.96064742">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>25012</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4000SSI"><![CDATA[TRIMBLE 4000SSI]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[7.28]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[1999-01-07T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[1999-10-13T08:00:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>1999-01-07T00:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb858742.78726138">
        <geo:notes>The firmware of the receiver has been</geo:notes>
        <geo:manufacturerSerialNumber>25012</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4000SSI"><![CDATA[TRIMBLE 4000SSI]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[7.29 / 3.07]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[1999-10-13T10:15:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2001-10-19T10:16:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>1999-10-13T10:15:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb864ee8.10704064">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220223123</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4700"><![CDATA[TRIMBLE 4700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[1.35 / 1.35]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2001-10-19T10:58:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2002-06-05T12:02:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2001-10-19T10:58:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb871371.09631839">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220223123</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4700"><![CDATA[TRIMBLE 4700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[1.35 / 1.35]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">5.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2002-06-05T12:23:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2002-08-20T00:05:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2002-06-05T12:23:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb87d465.94859810">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>25080</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4000SSI"><![CDATA[TRIMBLE 4000SSI]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[7.29 / 3.07]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2002-08-21T07:07:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2002-08-23T08:15:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2002-08-21T07:07:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb888e44.63234682">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220223123</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4700"><![CDATA[TRIMBLE 4700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[1.35 / 1.35]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">5.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2002-08-26T06:22:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2012-06-01T07:50:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2002-08-26T06:22:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb895a30.82074102">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220219184</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 4700"><![CDATA[TRIMBLE 4700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[1.37 / 1.37]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">5.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2012-06-01T07:50:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2016-02-03T08:50:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2012-06-01T07:50:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb8a1021.20150702">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220325938</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 5700"><![CDATA[TRIMBLE 5700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.32 / 2.32]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">10.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2016-02-03T08:50:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2016-02-16T12:23:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2016-02-03T08:50:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb8ace40.31572476">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220403445</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 5700"><![CDATA[TRIMBLE 5700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.21 / 2.21]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">5.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2016-02-16T12:30:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2016-06-09T07:26:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2016-02-16T12:30:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5b6962bb8b8d90.12253268">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220403445</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 5700"><![CDATA[TRIMBLE 5700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.21 / 2.21]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2016-06-09T07:52:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-08-03T11:00:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2016-06-09T07:52:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5ca6fd0640c9b0.24622087">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220403445</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 5700"><![CDATA[TRIMBLE 5700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.30 / 2.30]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2017-08-03T11:34:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2019-04-01T11:30:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2019-04-05T07:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-5ca6fd05c7fc54.31673615">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>220403445</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:receiver-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSReceiverTypeCode" codeListValue="TRIMBLE 5700"><![CDATA[TRIMBLE 5700]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.32 / 2.32]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2019-04-01T11:36:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="true"/>
      </geo:GnssReceiver>
      <geo:dateInserted>2019-04-05T07:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-5b6962bb8cd8f1.66155650">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>11756</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:antenna-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSAntennaTypeCode" codeListValue="ASH700936C_M    UNAV"><![CDATA[ASH700936C_M    UNAV]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BPA]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>1.426</geo:marker-arpUpEcc.>
        <geo:marker-arpNorthEcc.>0.0</geo:marker-arpNorthEcc.>
        <geo:marker-arpEastEcc.>0.0</geo:marker-arpEastEcc.>
        <geo:alignmentFromTrueNorth xsi:nil="false">5.0</geo:alignmentFromTrueNorth>
        <geo:antennaRadomeType codeSpace="urn:igs-org:gnss-radome-model-code"><![CDATA[UNAV]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">30.0</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[1998-05-07T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[1999-01-06T00:00:00Z]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>1998-05-07T00:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-5b6962bb8dd1d7.06914248">
        <geo:notes></geo:notes>
        <geo:manufacturerSerialNumber>145524</geo:manufacturerSerialNumber>
        <geo:igsModelCode codeSpace="urn:gnss-metadata.eu:antenna-type" codeList="https://gnss-metadata.eu/geodesyml/codelists/antenna-receiver-codelists.xml#GeodesyML_GNSSAntennaTypeCode" codeListValue="TRM29659.00     UNAV"><![CDATA[TRM29659.00     UNAV]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BPA]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>1.426</geo:marker-arpUpEcc.>
        <geo:marker-arpNorthEcc.>0.0</geo:marker-arpNorthEcc.>
        <geo:marker-arpEastEcc.>0.0</geo:marker-arpEastEcc.>
        <geo:alignmentFromTrueNorth xsi:nil="false">0.0</geo:alignmentFromTrueNorth>
        <geo:antennaRadomeType codeSpace="urn:igs-org:gnss-radome-model-code"><![CDATA[UNAV]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">30.0</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[1999-01-07T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>1999-01-07T00:00:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-5b6962bb8e8599.25756699">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[INTERNAL ]]></geo:standardType>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-5b6962bb8e8599.25756699-time">
            <gml:beginPosition><![CDATA[1998-05-07]]></gml:beginPosition>
            <gml:endPosition><![CDATA[]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>1998-05-07</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:siteOwner gml:id="siteOwner">
      <gml:identifier codeSpace="https://gnss-metadata.eu/"><![CDATA[https://ror.org/04w9kkr77]]></gml:identifier>
      <gml:name><![CDATA[TUBITAK MRC]]></gml:name>
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        <gmd:classification gco:nilReason="Missing"/>
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        <gmd:individualName>
          <gco:CharacterString><![CDATA[Dr. Rahsan Cakmak]]></gco:CharacterString>
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        <gmd:organisationName>
          <gco:CharacterString><![CDATA[TUBITAK Marmara Research Center]]></gco:CharacterString>
        </gmd:organisationName>
        <gmd:positionName>
          <gco:CharacterString><![CDATA[Earth & Marine Sciences Institute]]></gco:CharacterString>
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                  <gco:CharacterString><![CDATA[+90 262 677 23 63]]></gco:CharacterString>
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                  <gco:CharacterString><![CDATA[, ]]></gco:CharacterString>
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                <gmd:city>
                  <gco:CharacterString><![CDATA[Gebze, Kocaeli]]></gco:CharacterString>
                </gmd:city>
                <gmd:administrativeArea>
                  <gco:CharacterString><![CDATA[Earth & Marine Sciences Institute]]></gco:CharacterString>
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                  <gco:CharacterString><![CDATA[41470]]></gco:CharacterString>
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                <gmd:country>
                  <gco:CharacterString><![CDATA[Turkey]]></gco:CharacterString>
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    </geo:siteOwner>
    <geo:siteMetadataCustodian gml:id="metadataCustodian">
      <gml:identifier codeSpace="https://gnss-metadata.eu/"><![CDATA[https://ror.org/04w9kkr77]]></gml:identifier>
      <gml:name><![CDATA[TUBITAK MRC]]></gml:name>
      <gmd:MD_SecurityConstraints>
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        <gmd:organisationName>
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                  <gco:CharacterString><![CDATA[41470]]></gco:CharacterString>
                </gmd:postalCode>
                <gmd:country>
                  <gco:CharacterString><![CDATA[Turkey]]></gco:CharacterString>
                </gmd:country>
                <gmd:electronicMailAddress>
                  <gco:CharacterString><![CDATA[Rahsan.Cakmak@tubitak.gov.tr]]></gco:CharacterString>
                </gmd:electronicMailAddress>
              </gmd:CI_Address>
            </gmd:address>
          </gmd:CI_Contact>
        </gmd:contactInfo>
        <gmd:role/>
      </gmd:CI_ResponsibleParty>
    </geo:siteMetadataCustodian>
    <geo:moreInformation>
      <geo:MoreInformation gml:id="more-info">
        <geo:dataCenter><![CDATA[BKG]]></geo:dataCenter>
        <geo:urlForMoreInformation><![CDATA[www.nemrut.mam.gov.tr]]></geo:urlForMoreInformation>
        <geo:siteMap><![CDATA[]]></geo:siteMap>
        <geo:siteDiagram><![CDATA[Y]]></geo:siteDiagram>
        <geo:horizonMask><![CDATA[Y]]></geo:horizonMask>
        <geo:monumentDescription><![CDATA[Y]]></geo:monumentDescription>
        <geo:sitePictures><![CDATA[Y]]></geo:sitePictures>
        <geo:notes><![CDATA[A Short Period Seismological Recorder
has been in operation in the same site since
and the station ID is GBZT.
Seismometer type is 1 Hz, Mark Products L4-3C.
Record mode is triggered, 14-bit digital.
Seismological data are available via
on-site contact
(Onur.Tan@tubitak.gov.tr)]]></geo:notes>
        <geo:antennaGraphicsWithDimensions><![CDATA[ASH700936C_M

                         -----
                     /     +     \                        <-- 0.1280 L2
                    |      +      |                       <-- 0.1100 L1
  +--------------------------------------------------+    <-- 0.1020 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.0380
+-------------------+-------------+--------------------+  <-- 0.0350 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.0 BPA=ARP
<--                      0.3810                       -->



TRM29569.00

                         -----
                     /     +     \                        <-- 0.1280 L2
                    |      +      |                       <-- 0.1100 L1
  +--------------------------------------------------+    <-- 0.1020 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.0380
+-------------------+-------------+--------------------+  <-- 0.0350 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.0 BPA=ARP
<--                      0.3810                       -->

ARP: Antenna Reference Point
L1 : L1 Phase Center                   L2 : L2 Phase Center]]></geo:antennaGraphicsWithDimensions>
        <geo:insertTextGraphicFromAntenna><![CDATA[ASH700936C_M

                         -----
                     /     +     \                        <-- 0.1280 L2
                    |      +      |                       <-- 0.1100 L1
  +--------------------------------------------------+    <-- 0.1020 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.0380
+-------------------+-------------+--------------------+  <-- 0.0350 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.0 BPA=ARP
<--                      0.3810                       -->



TRM29569.00

                         -----
                     /     +     \                        <-- 0.1280 L2
                    |      +      |                       <-- 0.1100 L1
  +--------------------------------------------------+    <-- 0.1020 TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.0380
+-------------------+-------------+--------------------+  <-- 0.0350 BCR
                    |             |
                   =|             |
                    +------x------+                       <-- 0.0 BPA=ARP
<--                      0.3810                       -->

ARP: Antenna Reference Point
L1 : L1 Phase Center                   L2 : L2 Phase Center]]></geo:insertTextGraphicFromAntenna>
        <geo:DOI codeSpace="urn:ga-gov-au:self.moreInformation-type"><![CDATA[https://doi.org/10.24414/ROB-EUREF-HDC]]></geo:DOI>
      </geo:MoreInformation>
    </geo:moreInformation>
  </geo:siteLog>
</geo:GeodesyML>
