<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1I00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/mro/v1/PDS4_MRO_1I00_1300.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/geom/v1/PDS4_GEOM_1I00_1960.sch" schematypens="http://purl.oclc.org/dsdl/schematron" ?>

<Product_Observational
    xmlns="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mro="http://pds.nasa.gov/pds4/mission/mro/v1"
    xmlns:geom="http://pds.nasa.gov/pds4/geom/v1"
    xsi:schemaLocation=
    "http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1I00.xsd
    http://pds.nasa.gov/pds4/mission/mro/v1 https://pds.nasa.gov/pds4/mission/mro/v1/PDS4_MRO_1I00_1300.xsd
    http://pds.nasa.gov/pds4/geom/v1 https://pds.nasa.gov/pds4/geom/v1/PDS4_GEOM_1I00_1960.xsd">
    
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:mro_sharad_us_radargrams:data:s_01637101_geom</logical_identifier>
        <version_id>1.0</version_id>
        <title>SHARAD US RDR Geometry Information</title>
        <information_model_version>1.18.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <author_list>Campbell, B. A.</author_list>
            <publication_year>2024</publication_year>
            <description>Geographic, geometric, and ionospheric properties at each radargram column.</description>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2024-05-22T11:13:46.747Z</modification_date>
                <version_id>1.0</version_id>
                <description>PDS4 XML Label Creation</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    
    <Observation_Area>
        <Time_Coordinates>
            <start_date_time>2010-01-23T03:40:21.614Z</start_date_time>
            <stop_date_time>2010-01-23T03:41:28.456Z</stop_date_time>
        </Time_Coordinates>

        <Investigation_Area>
            <name>MARS RECONNAISSANCE ORBITER</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.mars_reconnaissance_orbiter</lid_reference>
                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>

        <Observing_System>
            <Observing_System_Component>
                <name>MARS RECONNAISSANCE ORBITER</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mro</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>SHALLOW RADAR</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:sharad.mro</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>

        <Target_Identification>
            <name>Mars</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>

        <Mission_Area>
            <mro:MRO_Parameters>
                <mro:product_version_id>2</mro:product_version_id>
                <mro:orbit_number>16371</mro:orbit_number>
                <mro:producer_institution_name>SMITHSONIAN INSTITUTION</mro:producer_institution_name>
            </mro:MRO_Parameters>
        </Mission_Area>
        
        <Discipline_Area>
            <geom:Geometry>
                <geom:Geometry_Orbiter>
                    <geom:geometry_start_time_utc>2010-01-23T03:40:21.614Z</geom:geometry_start_time_utc>
                    <geom:geometry_stop_time_utc>2010-01-23T03:41:28.456Z</geom:geometry_stop_time_utc>
                    <geom:Surface_Geometry>
                        <geom:Surface_Geometry_Start_Stop>
                            <geom:start_subspacecraft_latitude unit="deg">66.185539</geom:start_subspacecraft_latitude>
                            <geom:stop_subspacecraft_latitude unit="deg">69.675010</geom:stop_subspacecraft_latitude>
                            <geom:start_subspacecraft_longitude unit="deg">235.99132</geom:start_subspacecraft_longitude>
                            <geom:stop_subspacecraft_longitude unit="deg">234.54475</geom:stop_subspacecraft_longitude>
                        </geom:Surface_Geometry_Start_Stop>
                    </geom:Surface_Geometry>
                </geom:Geometry_Orbiter>
            </geom:Geometry>
        </Discipline_Area>
    </Observation_Area>
    
    <Reference_List>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mro_sharad_us_radargrams:browse:s_01637101_tiff</lid_reference>
            <reference_type>data_to_browse</reference_type>
            <comment>US RDR Browse Images (TIFF).</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mro_sharad_us_radargrams:browse:s_01637101_thm</lid_reference>
            <reference_type>data_to_browse</reference_type>
            <comment>US RDR Browse Images (THM).</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mro_sharad_us_radargrams:data:s_01637101_rgram</lid_reference>
            <reference_type>data_to_associate</reference_type>
            <comment>SHARAD US RDR.</comment>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mro_sharad_us_radargrams:document:rgram_processing</lid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:mro_sharad_us_radargrams:document:edr_to_usrdr</lid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Source_Product_External>
            <external_source_product_identifier>MGS-M-MOLA-5-MEGDR-L3-V1.0:MEGA90N000EB.IMG</external_source_product_identifier>
            <reference_type>data_to_derived_source_product</reference_type>
            <curating_facility>PDS GEO</curating_facility>
            <description>Model of the Martian areoid used to vertically datum this simulation.</description>
        </Source_Product_External>
        <Source_Product_External>
            <external_source_product_identifier>MGS-M-MOLA-5-MEGDR-L3-V1.0</external_source_product_identifier>
            <reference_type>data_to_derived_source_product</reference_type>
            <doi>10.17189/1519460</doi>
            <curating_facility>PDS GEO</curating_facility>
            <description>MOLA Mission Experiment Gridded Data Records</description>
        </Source_Product_External>
        <Source_Product_External>
            <external_source_product_identifier>MRO-M-SPICE-6-V1.0</external_source_product_identifier>
            <reference_type>data_to_derived_source_product</reference_type> 
            <doi>10.17189/1520100</doi>
            <curating_facility>PDS NAIF</curating_facility>
            <description>Mars Reconnaissance Orbiter SPICE data archive</description>
        </Source_Product_External>
    </Reference_List>
    
    <File_Area_Observational>
        <File>
            <file_name>s_01637101_geom.tab</file_name>
            <creation_date_time>2023-05-15T12:00:00.000Z</creation_date_time>
        </File>
        <Table_Delimited>
            <offset unit="byte">0</offset>
            <parsing_standard_id>PDS DSV 1</parsing_standard_id>
            <records>453</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <field_delimiter>Comma</field_delimiter>
            <Record_Delimited>
                <fields>10</fields>
                <groups>0</groups>
                <Field_Delimited>
                    <name>RADARGRAM COLUMN</name>
                    <data_type>ASCII_Integer</data_type>
                    <description>Radargram column</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>TIME</name>
                    <data_type>ASCII_Date_Time_YMD</data_type>
                    <unit>DATETIME</unit>
                    <description>UT date and time of observation.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>LATITUDE</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>degree</unit>
                    <description>Latitude of the footprint location. Values are planetocentric.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>LONGITUDE</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>degree</unit>
                    <description>Longitude of the footprint location. Values are planetocentric.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>MARS RADIUS</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>kilometers</unit>
                    <description>Radius of Mars at the footprint time.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>SPACECRAFT RADIUS</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>kilometers</unit>
                    <description>Distance from center of mass to MRO.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>RADIAL VELOCITY</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>meters per second</unit>
                    <description>MRO radial velocity.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>TANGENTIAL VELOCITY</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>meters per second</unit>
                    <description>MRO tangential velocity.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>SZA</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>degree</unit>
                    <description>Solar zenith angle.</description>
                </Field_Delimited>
                <Field_Delimited>
                    <name>PHASE/1.0E16</name>
                    <data_type>ASCII_Real</data_type>
                    <unit>unitless</unit>
                    <description>Signal phase distortion.</description>
                </Field_Delimited>
            </Record_Delimited>
        </Table_Delimited>
    </File_Area_Observational>
    
    <File_Area_Observational_Supplemental>
        <File>
            <file_name>s_01637101_geom.lbl</file_name>
        </File>
        <Stream_Text>
            <offset unit="byte">0</offset>
            <parsing_standard_id>PDS3</parsing_standard_id>
            <description>Original PDS3 label</description>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
        </Stream_Text>
    </File_Area_Observational_Supplemental>
    
</Product_Observational>
