GNSS Receiver: Permanent Station with Scintillation Monitoring

<?xml version="1.0" encoding="UTF-8"?>
<Instrument xmlns="https://metadata.pithia.eu/schemas/2.2" xmlns:xlink="http://www.w3.org/1999/xlink">
    <identifier>
        <PITHIA_Identifier>
            <localID>Instrument_GNSS_Receiver_Permanent_Station_Scintillation</localID>
            <namespace>pithia</namespace>
            <version>1</version>
            <creationDate>2025-01-14T12:37:00Z</creationDate>
            <lastModificationDate>2025-01-14T12:37:00Z</lastModificationDate>
        </PITHIA_Identifier>
    </identifier>
    <name>GNSS Receiver: Permanent Station with Scintillation Monitoring</name>
    <description>
A permanent GNSS station (geodetically installed and continuously operating)
with capability to evaluate the amplitude (S4) and phase (sigma-phi) indices 
of scintillation in addition to the Total Electron Content (TEC).
    </description>
    <version>1.0</version>
    <type xlink:href="https://metadata.pithia.eu/ontology/2.2/instrumentType/GNSS-receiverGroundbased"/>
    <operationalMode>
        <InstrumentOperationalMode>
            <id>multi-constellation</id>
            <name>Multi-Constellation</name>
            <description>Reception of signals from multiple constellations of the GNSS transmitters</description>
        </InstrumentOperationalMode>
    </operationalMode>
    <operationalMode>
        <InstrumentOperationalMode>
            <id>gps</id>
            <name>GPS</name>
            <description>Reception of signals from GPS constellation</description>
        </InstrumentOperationalMode>
    </operationalMode>
    <operationalMode>
        <InstrumentOperationalMode>
            <id>glonass</id>
            <name>GLONASS</name>
            <description>Reception of signals from GLONASS constellation</description>
        </InstrumentOperationalMode>
    </operationalMode>
    <operationalMode>
        <InstrumentOperationalMode>
            <id>galileo</id>
            <name>Galileo</name>
            <description>Reception of signals from Galileo constellation</description>
        </InstrumentOperationalMode>
    </operationalMode>
    <operationalMode>
        <InstrumentOperationalMode>
            <id>beidou</id>
            <name>BeiDou</name>
            <description>Reception of signals from BeiDou constellation</description>
        </InstrumentOperationalMode>
    </operationalMode>
</Instrument>