<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1A10.sch"
  schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/mess/v1/PDS4_MESS_1B00_1020.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" 
  xmlns:mess="http://pds.nasa.gov/pds4/mission/mess/v1"  
  xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1A10.xsd
  http://pds.nasa.gov/pds4/mission/mess/v1 https://pds.nasa.gov/pds4/mission/mess/v1/PDS4_MESS_1B00_1020.xsd">
  
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:mess_mla_derived:miscellaneous:index.tab</logical_identifier>
    <version_id>1.0</version_id>
    <title>MESSENGER MLA RDR PDS3 Index Table</title>
    <information_model_version>1.10.1.0</information_model_version>
    <product_class>Product_Ancillary</product_class>
    <Citation_Information>
      <publication_year>2016</publication_year>
      <description>
        Index Table for the MESSENGER RDR PDS3 Archive 
      </description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2018-07-19</modification_date>
        <version_id>1.0</version_id>
        <description>PDS4 migrated document</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Investigation_Area>
      <name>MESSENGER</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.messenger</lid_reference>
        <reference_type>document_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <name>MESSENGER</name>
      <Observing_System_Component>
        <name>MESSENGER</name>
        <type>Spacecraft</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mess</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Mercury Laser Altimeter</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:mla.mess</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Mercury</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.mercury</lid_reference>
        <reference_type>document_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
    <Target_Identification>
      <name>Earth</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.earth</lid_reference>
        <reference_type>document_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
    <Target_Identification>
      <name>Venus</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.venus</lid_reference>
        <reference_type>document_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
  </Context_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:mess_mla_derived:data_rdr_radr</lid_reference>
      <reference_type>ancillary_to_data</reference_type>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:mess_mla_derived:data_gdr</lid_reference>
      <reference_type>ancillary_to_data</reference_type>
    </Internal_Reference>
  </Reference_List>
  <File_Area_Ancillary>
    <File>
      <file_name>index.tab</file_name>
    </File>
    <Table_Character>
      <offset unit="byte">0</offset>
      <records>3286</records>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>15</fields>
        <groups>0</groups>
        <record_length unit="byte">392</record_length>
        <Field_Character>
          <name>volume_id</name>
          <field_number>1</field_number>
          <field_location unit="byte">2</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">15</field_length>
          <description>The PDS VOLUME_ID: MESSMLA_2101</description>
        </Field_Character>
        <Field_Character>
          <name>file_specification_name</name>
          <field_number>2</field_number>
          <field_location unit="byte">17</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">45</field_length>
          <description>Fully qualified name of the data file, relative to       
            the volume root directory</description>
        </Field_Character>
        <Field_Character>
          <name>mission_phase_name</name>
          <field_number>3</field_number>
          <field_location unit="byte">65</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">76</field_length>
          <description>The mission phase during which the observations          
            were obtained.</description>
        </Field_Character>
        <Field_Character>
          <name>target_name</name>
          <field_number>4</field_number>
          <field_location unit="byte">168</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">20</field_length>
          <description>The target observed.</description>
        </Field_Character>
        <Field_Character>
          <name>product_id</name>
          <field_number>5</field_number>
          <field_location unit="byte">191</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">23</field_length>
          <description>PRODUCT_ID from the PDS label</description>
        </Field_Character>
        <Field_Character>
          <name>product_version_id</name>
          <field_number>6</field_number>
          <field_location unit="byte">217</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">4</field_length>
          <description>PRODUCT_VERSION_ID from the PDS label</description>
        </Field_Character>
        <Field_Character>
          <name>standard_data_product_id</name>
          <field_number>7</field_number>
          <field_location unit="byte">224</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">23</field_length>
          <description>STANDARD_DATA_PRODUCT_ID from the PDS label. 
             Identifies the data product in the volume archive.</description>
        </Field_Character>
        <Field_Character>
          <name>product_creation_time</name>
          <field_number>8</field_number>
          <field_location unit="byte">249</field_location>
          <data_type>ASCII_Date_Time_YMD</data_type>
          <field_length unit="byte">19</field_length>
          <description>Creation time from the PDS label</description>
        </Field_Character>
        <Field_Character>
          <name>data_set_id</name>
          <field_number>9</field_number>
          <field_location unit="byte">270</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">36</field_length>
          <description>DATA_SET_ID from the PDS label.</description>
        </Field_Character>
        <Field_Character>
          <name>start_time</name>
          <field_number>10</field_number>
          <field_location unit="byte">308</field_location>
          <data_type>ASCII_Date_Time_YMD</data_type>
          <field_length unit="byte">19</field_length>
          <description>The UTC START_TIME value from the PDS label</description>
        </Field_Character>
        <Field_Character>
          <name>stop_time</name>
          <field_number>11</field_number>
          <field_location unit="byte">328</field_location>
          <data_type>ASCII_Date_Time_YMD</data_type>
          <field_length unit="byte">19</field_length>
          <description>The UTC STOP_TIME value from the PDS label</description>
        </Field_Character>
        <Field_Character>
          <name>start_met_partition</name>
          <field_number>12</field_number>
          <field_location unit="byte">348</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">3</field_length>
          <description>The clock partition number associated with the
            SPACECRAFT_CLOCK_START_COUNT.</description>
        </Field_Character>
        <Field_Character>
          <name>spacecraft_clock_start_count</name>
          <field_number>13</field_number>
          <field_location unit="byte">353</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">15</field_length>
          <description>The SPACECRAFT_CLOCK_START_COUNT value from the PDS      
            label. This is the MET of the first observation in the data file.</description>
          <Special_Constants>
            <not_applicable_constant>999999999</not_applicable_constant>
          </Special_Constants>
        </Field_Character>
        <Field_Character>
          <name>stop_met_partition</name>
          <field_number>14</field_number>
          <field_location unit="byte">370</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">3</field_length>
          <description>The clock partition number associated with the
            SPACECRAFT_CLOCK_STOP_COUNT.</description>
        </Field_Character>
        <Field_Character>
          <name>spacecraft_clock_stop_count</name>
          <field_number>15</field_number>
          <field_location unit="byte">375</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">15</field_length>
          <description>The SPACECRAFT_CLOCK_STOP_COUNT value from the PDS       
            label. This is the MET of the last observation in the data file</description>
          <Special_Constants>
            <not_applicable_constant>999999999</not_applicable_constant>
          </Special_Constants>
        </Field_Character>
      </Record_Character>
    </Table_Character>
  </File_Area_Ancillary>
</Product_Ancillary>
