<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1G00.sch" 
    schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Context xmlns="http://pds.nasa.gov/pds4/pds/v1" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1G00.xsd">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:context:facility:observatory.gbo</logical_identifier>
        <version_id>1.0</version_id>
        <title>Green Bank Observatory</title>
        <information_model_version>1.16.0.0</information_model_version>
        <product_class>Product_Context</product_class>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2021-04-09</modification_date>
                <version_id>1.0</version_id>
                <description>
                    Initial version.
                </description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Reference_List>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:telescope:gbo.gbt_100m</lid_reference>
            <reference_type>facility_to_telescope</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:instrument:gbo.gbt_100m.4mm_receiver</lid_reference>
            <reference_type>facility_to_instrument</reference_type>
        </Internal_Reference>
    </Reference_List>
    <Facility>
        <name>Green Bank Observatory</name>
        <type>Observatory</type>
        <address>
            155 Observatory Rd., Green Bank, WV, 24944
        </address>
        <country>USA</country>
    </Facility>
</Product_Context>
