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<localID>Project_UPC_GIM</localID>
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<name>GIM: Global Ionospheric Maps</name>
<shortName>GIM</shortName>
<abstract>
The rapid UQRG Global Ionospheric Map of Vertical Total Electron Content (GIM) are being generated by UPC-IonSAT since June 1st, 1998, as a contribution to the International GNSS Service (IGS). They are assessed and combined on a daily basis and, in this context, the UQRG GIM is typically one of the best, or the best, behaving GIM in the international community.
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<description>
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<gmd:title><gco:CharacterString>Global Ionospheric Maps</gco:CharacterString></gmd:title>
<date xmlns="http://www.isotc211.org/2005/gmd">
<CI_Date>
<date><gco:Date>1997-07-01</gco:Date></date>
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<MD_Identifier><code><gco:CharacterString>doi:10.1029/97GL01591</gco:CharacterString></code></MD_Identifier>
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Hernández-Pajares, M., Juan, J. M., Sanz, J. (1999). New approaches in global ionospheric determination using ground GPS data. Journal of Atmospheric and Solar-Terrestrial Physics, vol. 61(16), pp 1237-1247.
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<URL>https://doi.org/10.1016/S1364-6826(99)00054-1</URL>
</linkage>
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<keyword><gco:CharacterString>Ionosphere</gco:CharacterString></keyword>
<type><MD_KeywordTypeCode codeList="#pr1" codeListValue="Observed Region"/></type>
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</keywords>
<keywords>
<MD_Keywords xmlns="http://www.isotc211.org/2005/gmd">
<keyword><gco:CharacterString>Ionospheric Specification</gco:CharacterString></keyword>
<keyword><gco:CharacterString>Ionospheric observations</gco:CharacterString></keyword>
<keyword><gco:CharacterString>HF radio wave propagation</gco:CharacterString></keyword>
<type><MD_KeywordTypeCode codeList="#pr1" codeListValue="Miscellaneous"/></type>
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</keywords>
<keywords>
<MD_Keywords xmlns="http://www.isotc211.org/2005/gmd">
<keyword><gco:CharacterString>Slant Total Electron Content</gco:CharacterString></keyword>
<keyword><gco:CharacterString>Vertical Total Electron Content</gco:CharacterString></keyword>
<type><MD_KeywordTypeCode codeList="#pr1" codeListValue="Products"/></type>
</MD_Keywords>
</keywords>
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<party xlink:href="https://metadata.pithia.eu/resources/2.2/individual/lgdc/Individual_LGDC_Galkin"/> <!-- NB changed namespace from pithia to lgdc -->
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