Operation of Cluster 4

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    <name>Operation of Cluster 4</name>
    <description>
Cluster 4 was launched in summer 2000 into a polar orbit (4-19.6 Re) with an inclination of 90&#176;. The plasmasphere is crossed every 50 h from the Southern to the Northern Hemisphere. The ephemerides can be downloaded from the Cluster Science Archive web site (https://csa.esac.esa.int/csa-web/).</description>    
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            <gmd:title><gco:CharacterString>The Cluster and Phoenix Missions</gco:CharacterString></gmd:title>
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                    <date><gco:Date>1997-01-01</gco:Date></date>
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            <gmd:edition><gco:CharacterString>Kluwer Academic Publishers</gco:CharacterString></gmd:edition>
            <gmd:editionDate><gco:Date>1997-01-01</gco:Date></gmd:editionDate>
            <gmd:otherCitationDetails><gco:CharacterString>Escoubet C. P., Russell C. T. and Schmidt R. (Eds.), Kluwer Academic Publishers, 658 pp., 1997</gco:CharacterString></gmd:otherCitationDetails>
            <gmd:ISBN><gco:CharacterString>978-0-7923-4411-7</gco:CharacterString></gmd:ISBN>
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