<?xml version="1.0" encoding="UTF-8"?>
<Instrument xmlns="https://metadata.pithia.eu/schemas/2.2" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://metadata.pithia.eu/schemas/2.2 https://metadata.pithia.eu/schemas/2.2/pithia.xsd">
<identifier>
<PITHIA_Identifier>
<localID>Instrument_GNSS_Transmitter</localID>
<namespace>pithia</namespace>
<version>1</version>
<creationDate>2022-11-29T10:00:00Z</creationDate>
<lastModificationDate>2024-12-18T12:41:00Z</lastModificationDate>
</PITHIA_Identifier>
</identifier>
<name>GNSS Transmitter: Generic definition</name>
<description>This document describes a generic GNSS signal transmitter on spacecraft whose location on orbit is required.
Transmitters are built by different governing organisations in the world, depending on the navigation system.</description>
<type xlink:href="https://metadata.pithia.eu/ontology/2.2/instrumentType/GNSS-transmitter"/>
<operationalMode>
<InstrumentOperationalMode>
<id>standard</id>
<name>Standard</name>
<description>This is a generic, standard mode of transmitter operation.</description>
</InstrumentOperationalMode>
</operationalMode>
<operationalMode>
<InstrumentOperationalMode>
<id>gps</id>
<name>GPS</name>
<description>Global Positioning System constellation (USA)</description>
</InstrumentOperationalMode>
</operationalMode>
<operationalMode>
<InstrumentOperationalMode>
<id>galileo</id>
<name>Galileo</name>
<description>Galileo constellation (EU)</description>
</InstrumentOperationalMode>
</operationalMode>
<operationalMode>
<InstrumentOperationalMode>
<id>glonass</id>
<name>GLONASS</name>
<description>Global Navigation Satellite System constellation (Russia)</description>
</InstrumentOperationalMode>
</operationalMode>
<operationalMode>
<InstrumentOperationalMode>
<id>bds</id>
<name>BDS</name>
<description>BeiDou navigation Satellite system constellation (China)</description>
</InstrumentOperationalMode>
</operationalMode>
</Instrument>
