<?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="ORBA00BEL">
  <geo:siteLog gml:id="orba00bel_20240904">
    <geo:formInformation>
      <geo:FormInformation gml:id="form-info">
        <geo:preparedBy>gnss_time (time_lab@oma.be)</geo:preparedBy>
        <geo:datePrepared>2024-09-04</geo:datePrepared>
        <geo:reportType>UPDATE</geo:reportType>
      </geo:FormInformation>
    </geo:formInformation>
    <geo:siteIdentification>
      <geo:SiteIdentification gml:id="site-identification">
        <geo:siteName>Brussels</geo:siteName>
        <geo:fourCharacterID>ORBA</geo:fourCharacterID>
        <geo:monumentNumber>0</geo:monumentNumber>
        <geo:receiverNumber>0</geo:receiverNumber>
        <geo:monumentInscription></geo:monumentInscription>
        <geo:iersDOMESNumber>13101M012</geo:iersDOMESNumber>
        <geo:cdpNumber></geo:cdpNumber>
        <geo:monumentDescription codeSpace="urn:ga-gov-au:monument-description-type"><![CDATA[STEEL MAST]]></geo:monumentDescription>
        <geo:heightOfTheMonument>5</geo:heightOfTheMonument>
        <geo:monumentFoundation></geo:monumentFoundation>
        <geo:markerDescription>BRASS NAIL</geo:markerDescription>
        <geo:dateInstalled>2015-12-10T00:00:00Z</geo:dateInstalled>
        <geo:geologicCharacteristic codeSpace="urn:ga-gov-au:geologic-characteristic-type"><![CDATA[SAND]]></geo:geologicCharacteristic>
        <geo:bedrockType>SEDIMENTARY</geo:bedrockType>
        <geo:bedrockCondition>FRESH</geo:bedrockCondition>
        <geo:fractureSpacing>0</geo:fractureSpacing>
        <geo:faultZonesNearby codeSpace="urn:ga-gov-au:fault-zones-type"><![CDATA[NO]]></geo:faultZonesNearby>
        <geo:distance-Activity></geo:distance-Activity>
        <geo:notes><![CDATA[]]></geo:notes>
      </geo:SiteIdentification>
    </geo:siteIdentification>
    <geo:siteLocation>
      <geo:SiteLocation gml:id="site-location">
        <geo:city>Brussels</geo:city>
        <geo:state>Brabant</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="BEL"><![CDATA[BEL]]></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[4027865.43 307009.47 4919504.05]]></gml:pos>
            </gml:Point>
          </geo:cartesianPosition>
          <geo:geodeticPosition>
            <gml:Point gml:id="pos_ellipsoidal">
              <gml:pos srsName="EPSG:4979"><![CDATA[50.798198325279 4.3587355600597 152.5026294766]]></gml:pos>
            </gml:Point>
          </geo:geodeticPosition>
        </geo:approximatePositionITRF>
        <geo:notes></geo:notes>
      </geo:SiteLocation>
    </geo:siteLocation>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-64d34543d8bd6">
        <geo:notes>Receiver was calibrated by CNES (Sept. 2015).
Delay P1: 32.5 ns
Delay P2: 33.4 ns
Delay E1: 33.5 ns</geo:notes>
        <geo:manufacturerSerialNumber>3007657</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="SEPT POLARX4TR"><![CDATA[SEPT POLARX4TR]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GLO]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GAL]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[BDS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.9.0]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2015-12-11T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-01-11T07:00:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="false">0.2</geo:temperatureStabilization>
      </geo:GnssReceiver>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-64d34543ae65b">
        <geo:notes>Receiver was calibrated by CNES (Sept. 2015).
Delay P1: 32.5 ns
Delay P2: 33.4 ns
Delay E1: 33.5 ns</geo:notes>
        <geo:manufacturerSerialNumber>3007657</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="SEPT POLARX4TR"><![CDATA[SEPT POLARX4TR]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GLO]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GAL]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[BDS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.9.6]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2017-01-11T07:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2022-10-10T11:20:00Z]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="false">0.2</geo:temperatureStabilization>
      </geo:GnssReceiver>
      <geo:dateInserted>2023-08-09T07:50:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssReceiver>
      <geo:GnssReceiver gml:id="gnss-receiver-64d34543dc583">
        <geo:notes>Receiver was calibrated by CNES (Sept. 2015).
Delay P1: 32.5 ns
Delay P2: 33.4 ns
Delay E1: 33.5 ns</geo:notes>
        <geo:manufacturerSerialNumber>3007657</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="SEPT POLARX4TR"><![CDATA[SEPT POLARX4TR]]></geo:igsModelCode>
        <geo:satelliteSystem><![CDATA[GPS]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GLO]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[GAL]]></geo:satelliteSystem>
        <geo:satelliteSystem><![CDATA[BDS]]></geo:satelliteSystem>
        <geo:firmwareVersion><![CDATA[2.9.6]]></geo:firmwareVersion>
        <geo:elevationCutoffSetting xsi:nil="false">0.0</geo:elevationCutoffSetting>
        <geo:dateInstalled><![CDATA[2022-10-10T11:20:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[]]></geo:dateRemoved>
        <geo:temperatureStabilization xsi:nil="false">0.2</geo:temperatureStabilization>
      </geo:GnssReceiver>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssReceiver>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-66d86220687d1">
        <geo:notes>Cable was calibrated by CNES (Sept. 2015).</geo:notes>
        <geo:manufacturerSerialNumber>5467</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="SEPCHOKE_MC     NONE"><![CDATA[SEPCHOKE_MC     NONE]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BAM]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0</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[NONE]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[RG214]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">30.0</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[2015-12-10T00:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-08-03T14:00:00Z]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>2024-09-04T13:35:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-64d34543e1aaf">
        <geo:notes>position change, using DOME number 13101M009</geo:notes>
        <geo:manufacturerSerialNumber>5115354112</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="TRM59800.00     NONE"><![CDATA[TRM59800.00     NONE]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BPA]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0</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[NONE]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[ANDREW heliax LDF2-50A]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">36.65</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[2017-08-03T14:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-08-09T15:00:00Z]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-64d34543e50fd">
        <geo:notes>Cable was calibrated by ORB: Delay=149.2 ns</geo:notes>
        <geo:manufacturerSerialNumber>5467</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="SEPCHOKE_MC     NONE"><![CDATA[SEPCHOKE_MC     NONE]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BAM]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0</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[NONE]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[RG214]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">29.5</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[2017-08-09T18:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-08-09T18:05:00Z]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-64d34543ae6e4">
        <geo:notes>Cable was calibrated by ORB: delay=149.2 ns&#13;
Surge protection device, dly: L2 553, L1 525 ps&#13;
Total delay cable + SPD + adapter: 149.8 ns</geo:notes>
        <geo:manufacturerSerialNumber>5467</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="SEPCHOKE_MC     NONE"><![CDATA[SEPCHOKE_MC     NONE]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BAM]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0</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[NONE]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[RG214]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">29.5</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[2017-08-09T20:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[2017-08-10T20:00:00Z]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>2023-08-09T07:50:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:gnssAntenna>
      <geo:GnssAntenna gml:id="gnss-antenna-64d34543eb2a4">
        <geo:notes>Cable was calibrated by ORB: delay=149.2 ns&#13;
Surge protection device, dly: L2 553, L1 525 ps&#13;
Total delay cable + SPD + adapter: 149.8 ns</geo:notes>
        <geo:manufacturerSerialNumber>5467</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="SEPCHOKE_MC     SPKE"><![CDATA[SEPCHOKE_MC     SPKE]]></geo:igsModelCode>
        <geo:antennaReferencePoint codeSpace="urn:ga-gov-au:antenna-reference-point-type"><![CDATA[BAM]]></geo:antennaReferencePoint>
        <geo:marker-arpUpEcc.>0.0</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[SPKE]]></geo:antennaRadomeType>
        <geo:radomeSerialNumber><![CDATA[]]></geo:radomeSerialNumber>
        <geo:antennaCableType><![CDATA[RG214]]></geo:antennaCableType>
        <geo:antennaCableLength xsi:nil="false">29.5</geo:antennaCableLength>
        <geo:dateInstalled><![CDATA[2017-08-10T20:00:00Z]]></geo:dateInstalled>
        <geo:dateRemoved><![CDATA[]]></geo:dateRemoved>
      </geo:GnssAntenna>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:gnssAntenna>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-64d34543edd80">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[EXTERNAL CH1-75A MASER]]></geo:standardType>
        <geo:inputFrequency>10.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-64d34543edd80-time">
            <gml:beginPosition><![CDATA[2015-12-11]]></gml:beginPosition>
            <gml:endPosition><![CDATA[2016-11-07]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[The 5MHz output of the CH1-75A (maser3) passes
an amplifier HP5087A and then is used as input
to a SpectraTime picoStepper. The output of
this phase stepper (equal to UTC(ORB)) is used
as an input to the receiver.]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-64d34543edfd4">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[EXTERNAL 5071A CESIUM]]></geo:standardType>
        <geo:inputFrequency>10.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-64d34543edfd4-time">
            <gml:beginPosition><![CDATA[2016-11-07]]></gml:beginPosition>
            <gml:endPosition><![CDATA[2016-11-17]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[The 5MHz output of the CESIUM 5071A (ces3)
passes an amplifier HP5087A and then is used as
input  to a SpectraTime femtoStepper. The output
of this phase stepper (equal to UTC(ORB)) is
used as an input to the receiver.]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-64d34543ee215">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[EXTERNAL CH1-75A MASER]]></geo:standardType>
        <geo:inputFrequency>10.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-64d34543ee215-time">
            <gml:beginPosition><![CDATA[2016-11-17]]></gml:beginPosition>
            <gml:endPosition><![CDATA[2017-03-24]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[The 5MHz output of the CH1-75A (maser3) passes
an amplifier HP5087A and then is used as input
to a SpectraTime femtoStepper. The output of
this phase stepper (equal to UTC(ORB)) is used
as an input to the receiver.
REFDLY = 153.8 ns]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-64d34543ae75f">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[EXTERNAL CH1-75A MASER]]></geo:standardType>
        <geo:inputFrequency>10.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-64d34543ae75f-time">
            <gml:beginPosition><![CDATA[2017-03-24]]></gml:beginPosition>
            <gml:endPosition><![CDATA[2022-10-10]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[The 5MHz output of the CH1-75A (maser3) passes
an amplifier HP5087A and then is used as input
to a SpectraTime femtoStepper. The output of
this phase stepper (equal to UTC(ORB)) is used
as an input to the receiver.
REFDLY = 157.9 ns]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2023-08-09T07:50:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:frequencyStandard>
      <geo:FrequencyStandard gml:id="frequency-66d862206890b">
        <geo:standardType codeSpace="urn:ga-gov-au:frequency-standard-type"><![CDATA[EXTERNAL IMASER 3000]]></geo:standardType>
        <geo:inputFrequency>10.0</geo:inputFrequency>
        <gml:validTime>
          <gml:TimePeriod gml:id="frequency-66d862206890b-time">
            <gml:beginPosition><![CDATA[2022-10-10]]></gml:beginPosition>
            <gml:endPosition><![CDATA[]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[The 10MHz output of the IMASER 3000 (maser4) is
used as input to a SpectraTime femtoStepper. The
output of this phase stepper (equal to UTC(ORB))
is used as an input to the receiver.
REFDLY: 157.8 ns]]></geo:notes>
      </geo:FrequencyStandard>
      <geo:dateInserted>2024-09-04T13:35:00Z</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:frequencyStandard>
    <geo:collocationInformation>
      <geo:CollocationInformation gml:id="coll-64d34543ee9d2">
        <geo:instrumentationType codeSpace="urn:ga-gov-au:instrumentation-type"><![CDATA[SEISMOMETER]]></geo:instrumentationType>
        <geo:status codeSpace="urn:ga-gov-au:status-type"><![CDATA[PERMANENT]]></geo:status>
        <gml:validTime>
          <gml:TimePeriod gml:id="coll-64d34543ee9d2-time">
            <gml:beginPosition><![CDATA[1993-10-20]]></gml:beginPosition>
            <gml:endPosition><![CDATA[]]></gml:endPosition>
          </gml:TimePeriod>
        </gml:validTime>
        <geo:notes><![CDATA[]]></geo:notes>
      </geo:CollocationInformation>
      <geo:dateInserted>2023-08-09</geo:dateInserted>
      <geo:dateDeleted></geo:dateDeleted>
    </geo:collocationInformation>
    <geo:siteOwner gml:id="siteOwner">
      <gml:identifier codeSpace="https://gnss-metadata.eu/"><![CDATA[agency_6486e8bd0be35b2c770efe21_648c522600c21e86aa0f546d]]></gml:identifier>
      <gml:name><![CDATA[ROB]]></gml:name>
      <gmd:MD_SecurityConstraints>
        <gmd:classification gco:nilReason="Missing"/>
      </gmd:MD_SecurityConstraints>
      <gmd:CI_ResponsibleParty>
        <gmd:individualName>
          <gco:CharacterString><![CDATA[gnss_time]]></gco:CharacterString>
        </gmd:individualName>
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        <geo:sitePictures><![CDATA[]]></geo:sitePictures>
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