Sunspot Number Global Telescope Observatory Network

<?xml version="1.0" encoding="UTF-8"?>
<Platform xmlns="https://metadata.pithia.eu/schemas/2.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="https://metadata.pithia.eu/schemas/2.2 https://metadata.pithia.eu/schemas/2.2/pithia.xsd">

    <identifier>
        <PITHIA_Identifier>
            <localID>Platform_Sn-observatories</localID>
            <namespace>pithia</namespace>
            <version>1</version>
            <creationDate>2023-05-02T16:00:00Z</creationDate>
            <lastModificationDate>2023-05-02T16:00:00Z</lastModificationDate>
        </PITHIA_Identifier>
    </identifier>
    <name>Sunspot Number Global Telescope Observatory Network</name>    
    <shortName>SN-GTON</shortName>
    <URL><gmd:URL>https://link.springer.com/article/10.1007/s11214-014-0074-2</gmd:URL></URL>
    <description>The network of Solar observatories contributing to computation of the Sunspot number, Sn.</description>
    <type xlink:href="https://metadata.pithia.eu/ontology/2.2/platformType/GroundBasedStation"/><!-- Type is required -->
</Platform>