<?xml version="1.0" encoding="UTF-8"?>
<?xml-model 
    href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1N00.sch" 
    schematypens="http://purl.oclc.org/dsdl/schematron" ?>

<Product_Ancillary 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_1N00.xsd">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:magellan_scvdr:miscellaneous:scvdr_catalog</logical_identifier>
        <version_id>1.0</version_id>
        <title>Catalog of Magellan SCVDR Data Products</title>
        <information_model_version>1.23.0.0</information_model_version>
        <product_class>Product_Ancillary</product_class>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-01-26</modification_date>
                <version_id>1.0</version_id>
                <description>Inital version</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Context_Area>
        <Time_Coordinates>
            <start_date_time>1990-09-15T16:22:15.591Z</start_date_time>
            <stop_date_time>1992-09-14T02:27:40.878Z</stop_date_time>
        </Time_Coordinates>
        <Investigation_Area>
            <name>Magellan</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.magellan</lid_reference>
                <reference_type>ancillary_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>The Magellan Spacecraft</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mgn</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>Magellan Spacecraft Radar System</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:mgn.rdrs</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Venus</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.venus</lid_reference>
                <reference_type>ancillary_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
    </Context_Area>
    <File_Area_Ancillary>
        <File>
            <file_name>scvdr_catalog.csv</file_name>
        </File>
        <Header>
            <offset unit="byte">0</offset>
            <object_length unit="byte">124</object_length>
            <parsing_standard_id>7-Bit ASCII Text</parsing_standard_id>
        </Header>
        <Table_Delimited>
            <name>SCVDR Product Catalog</name>
            <offset unit="byte">124</offset>
            <parsing_standard_id>PDS DSV 1</parsing_standard_id>
            <description>
                The Magellan SCVDR Product Catalog is a CSV-format text file that contains information about Magellan data products derived
                from their PDS4 labels. 
            </description>
            <records>24571</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <field_delimiter>Comma</field_delimiter>
            <Record_Delimited>
                <fields>8</fields>
                <groups>0</groups>
                <Field_Delimited>
                    <name>Product_LID</name>
                    <field_number>1</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The PDS4 LID (logical identifier) of the SCVDR data product. The LID is a unique identifier within the PDS
                        archive.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>File_Name</name>
                    <field_number>2</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The name of the PDS4 product where label values were extracted.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Mapping_Cycle</name>
                    <field_number>3</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The mapping cycle in which the product was acquired.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Orbit_Number</name>
                    <field_number>4</field_number>
                    <data_type>ASCII_Integer</data_type>
                    <description>The orbit number during which the product was acquired.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Start_Time</name>
                    <field_number>5</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The UTC time associated with the first record in the data file.</description>
                    <Special_Constants>
                        <not_applicable_constant>9999-99-99T99:99:99.999</not_applicable_constant>
                    </Special_Constants>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Stop_Time</name>
                    <field_number>6</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The UTC time associated with the last record in the data file.</description>
                    <Special_Constants>
                        <not_applicable_constant>9999-99-99T99:99:99.999</not_applicable_constant>
                    </Special_Constants>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Original_Product_Data_Time</name>
                    <field_number>7</field_number>
                    <data_type>ASCII_Date_Time_YMD</data_type>
                    <description>The UTC date and time when the original product was created.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>Original_Volume_ID</name>
                    <field_number>8</field_number>
                    <data_type>ASCII_String</data_type>
                    <description>The CD_ROM volume ID that contained the original PDS SCVDR data file. mg_XXXX for GMF files as these 
                        were located on multiple volumes.</description>
                    <Special_Constants>
                        <not_applicable_constant>mg_XXXX</not_applicable_constant>
                    </Special_Constants>
                </Field_Delimited>
            </Record_Delimited>
        </Table_Delimited>
    </File_Area_Ancillary>
</Product_Ancillary>
