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                                <gmi:MI_Instrument xmlns:gmi="http://www.isotc211.org/2005/gmi" xsi:schemaLocation="http://www.isotc211.org/2005/gmi https://data.noaa.gov/resources/iso19139/schema.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" uuid="a4690e20-58ec-11e1-b86c-0800200c9a66">
  <gmi:citation>
    <gmd:CI_Citation xmlns:gmd="http://www.isotc211.org/2005/gmd">
      <gmd:title>
        <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
          SeaBeam 2112 Multibeam Echosounder
        </gco:CharacterString>
      </gmd:title>
      <gmd:alternateTitle>
        <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
          Sea Beam 2112
        </gco:CharacterString>
      </gmd:alternateTitle>
      <gmd:date gco:nilReason="unknown" xmlns:gco="http://www.isotc211.org/2005/gco"/>
      <gmd:identifier>
        <gmd:MD_Identifier>
          <gmd:code>
            <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
              SB2112
            </gco:CharacterString>
          </gmd:code>
        </gmd:MD_Identifier>
      </gmd:identifier>
      <gmd:citedResponsibleParty>
        <gmd:CI_ResponsibleParty>
          <gmd:organisationName>
            <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
              L-3 ELAC Nautik
            </gco:CharacterString>
          </gmd:organisationName>
          <gmd:contactInfo>
            <gmd:CI_Contact>
              <gmd:onlineResource>
                <gmd:CI_OnlineResource>
                  <gmd:linkage>
                    <gmd:URL>
                      http://www.elac-nautik.de/contact-contact/highlite-contact/322fa9862948e6f0530dcae7c7e8df7f/
                    </gmd:URL>
                  </gmd:linkage>
                </gmd:CI_OnlineResource>
              </gmd:onlineResource>
            </gmd:CI_Contact>
          </gmd:contactInfo>
          <gmd:role>
            <gmd:CI_RoleCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="resourceProvider" codeSpace="001">
              resourceProvider
            </gmd:CI_RoleCode>
          </gmd:role>
        </gmd:CI_ResponsibleParty>
      </gmd:citedResponsibleParty>
    </gmd:CI_Citation>
  </gmi:citation>
  <gmi:identifier>
    <gmd:MD_Identifier xmlns:gmd="http://www.isotc211.org/2005/gmd">
      <gmd:code>
        <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
          SeaBeam 2112
        </gco:CharacterString>
      </gmd:code>
    </gmd:MD_Identifier>
  </gmi:identifier>
  <gmi:type>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
      Multibeam Echosounder
    </gco:CharacterString>
  </gmi:type>
  <gmi:description>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">
      Seabeam 2112 (12 Khz) swath bathymetric sonar system. The system, originally used for high accuracy (Seabeam Classic) charting of the U.S. Exclusive Economic Zone (EEZ), is capable of hydrographic charting and seafloor acoustic backscatter imaging in water depths of 50 to 11,000 meters with up to 151 beams. Swath coverage (75 percent of water depth) varies as a function of depth, from 150 degrees at 1,000 meters, to 120 degrees at 5,000 meters, and 90 degrees at 11,000 meters, with a resolution of two degrees. The system regularly operates in 4000+ meters of water but is effective in shallower applications (less than 500m).
    </gco:CharacterString>
  </gmi:description>
</gmi:MI_Instrument>