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              </gmd:eastBoundLongitude>
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              </gmd:southBoundLatitude>
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                <gco:Decimal>-67.568972</gco:Decimal>
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        </gmd:EX_Extent>
      </gmd:extent>
      <gmd:extent>
        <gmd:EX_Extent>
          <gmd:temporalElement>
            <gmd:EX_TemporalExtent>
              <gmd:extent>
                <gml:TimePeriod gml:id="CEDA01">
                  <gml:beginPosition>2008-01-03T00:00:00</gml:beginPosition>
                  <gml:endPosition indeterminatePosition="unknown" />
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    <gmd:MD_Distribution>
      <gmd:distributionFormat>
        <gmd:MD_Format>
          <gmd:name>
            <gco:CharacterString>The data are in the Vaisala PC-CORA binary format. Software to read these data is available from the linked documentation.</gco:CharacterString>
          </gmd:name>
          <gmd:version gco:nilReason="unknown" />
        </gmd:MD_Format>
      </gmd:distributionFormat>
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        <gmd:MD_Distributor>
          <gmd:distributorContact>
            <gmd:CI_ResponsibleParty>
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              <gmd:contactInfo>
                <gmd:CI_Contact>
                  <gmd:phone>
                    <gmd:CI_Telephone>
                      <gmd:voice>
                        <gco:CharacterString>+44(0)1235 446432</gco:CharacterString>
                      </gmd:voice>
                    </gmd:CI_Telephone>
                  </gmd:phone>
                  <gmd:address>
                    <gmd:CI_Address>
                      <gmd:deliveryPoint>
                        <gco:CharacterString>British Atmospheric Data Centre</gco:CharacterString>
                      </gmd:deliveryPoint>
                      <gmd:deliveryPoint>
                        <gco:CharacterString>STFC Rutherford Appleton Laboratory</gco:CharacterString>
                      </gmd:deliveryPoint>
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                        <gco:CharacterString>Harwell Oxford</gco:CharacterString>
                      </gmd:city>
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                        <gco:CharacterString>OX11 0QX</gco:CharacterString>
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                      <gmd:country>
                        <gco:CharacterString>UK</gco:CharacterString>
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                        <gco:CharacterString>badc@rl.ac.uk</gco:CharacterString>
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              </gmd:contactInfo>
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                <gmd:CI_RoleCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode>
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            </gmd:CI_ResponsibleParty>
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      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://catalogue.ceda.ac.uk/uuid/e6da23061b4e98565e3c668c2c393397</gmd:URL>
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              <gmd:name>
                <gco:CharacterString>CEDA Data Catalogue Page</gco:CharacterString>
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                <gco:CharacterString>Detail and access information for the resource</gco:CharacterString>
              </gmd:description>
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      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>http://data.ceda.ac.uk/badc/bas/data/rothera</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>DOWNLOAD</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>Download Data</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode>
              </gmd:function>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>http://badc.nerc.ac.uk/conditions/bas.html</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>BAS radiosonde data license</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode>
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            </gmd:CI_OnlineResource>
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        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>http://www.bas.ac.uk/</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>The British Antarctic Survey website</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode>
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            </gmd:CI_OnlineResource>
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        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>http://onlinelibrary.wiley.com/doi/10.1002/qj.49711951006/abstract</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>Connolley, W.M. and J.C. King. 1993. Atmospheric water-vapour transport to Antarctica inferred from radiosonde data. Quart. J. Roy. Met. Soc. 119, 325-342</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
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      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
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              <gmd:name>
                <gco:CharacterString>British Antarctic Survey Software documentation</gco:CharacterString>
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                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode>
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      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>http://data.ceda.ac.uk/badc/ukmo-rad-hires/doc/edt_format.pdf</gmd:URL>
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              <gmd:name>
                <gco:CharacterString>British Antarctic Survey Software file structure documentation version 2</gco:CharacterString>
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              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode>
              </gmd:function>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://artefacts.ceda.ac.uk/badc_datadocs/ukmo-rad-hires/pc-coradata.html</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>British Antarctic Survey Software file structure documentation</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
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      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://artefacts.ceda.ac.uk/badc_datadocs/radiosonde/radhelp.html</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>BADC Doc: Radiosonde Help File</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>No further details.</gco:CharacterString>
              </gmd:description>
              <gmd:function>
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              </gmd:function>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
    </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo>
    <gmd:DQ_DataQuality>
      <gmd:scope>
        <gmd:DQ_Scope>
          <gmd:level>
            <gmd:MD_ScopeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset">dataset</gmd:MD_ScopeCode>
          </gmd:level>
        </gmd:DQ_Scope>
      </gmd:scope>
      <gmd:report>
        <gmd:DQ_DomainConsistency>
          <gmd:result>
            <gmd:DQ_ConformanceResult>
              <gmd:specification>
                <gmd:CI_Citation>
                  <gmd:title>
                    <gco:CharacterString>Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services</gco:CharacterString>
                  </gmd:title>
                  <gmd:date>
                    <gmd:CI_Date>
                      <gmd:date>
                        <gco:Date>2010-12-08</gco:Date>
                      </gmd:date>
                      <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication" />
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                    </gmd:CI_Date>
                  </gmd:date>
                </gmd:CI_Citation>
              </gmd:specification>
              <gmd:explanation gco:nilReason="inapplicable" />
              <gmd:pass gco:nilReason="unknown" />
            </gmd:DQ_ConformanceResult>
          </gmd:result>
        </gmd:DQ_DomainConsistency>
      </gmd:report>
      <gmd:lineage>
        <gmd:LI_Lineage>
          <gmd:statement>
            <gco:CharacterString>Data are collected at the Halley and Rothera stations before being sent through to BAS, Cambridge. A script runs daily at the BADC to retrieve the latest data from BAS by checking the last 7 days. Once data have been transferred to the BADC they are ingested immediately and made available to users.

Radiosonde data from Antarctic stations from the database of Connolley and King (1993) was provided by W. M. Connolley at the British Antarctic Survey, http://www.antarctica.ac.uk/met/data/wmc-radiosonde-export/, through the British Atmospheric Data Centre (BADC), http://badc.nerc.ac.uk.</gco:CharacterString>
          </gmd:statement>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmd:MD_Metadata>

