<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1O00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/phoenix/v1/PDS4_PHOENIX_1O00_1000.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>

<Product_Observational xmlns="http://pds.nasa.gov/pds4/pds/v1" 
    xmlns:phoenix="http://pds.nasa.gov/pds4/mission/phoenix/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_1O00.xsd     http://pds.nasa.gov/pds4/mission/phoenix/v1 https://pds.nasa.gov/pds4/mission/phoenix/v1/PDS4_PHOENIX_1O00_1000.xsd">
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:phx_meca:data_wcl:ws087c0pt___00___1a220000w0</logical_identifier>
    <version_id>1.0</version_id>
    <title>Phoenix MECA WCL Data: ws087c0pt___00___1a220000w0</title>
    <information_model_version>1.24.0.0</information_model_version>
    <product_class>Product_Observational</product_class>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2025-11-25</modification_date>
        <version_id>1.0</version_id>
        <description>Initial version.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Observation_Area>
    <Time_Coordinates>
      <start_date_time>2008-08-23T01:44:51.506Z</start_date_time>
      <stop_date_time>2008-08-23T10:25:05.836Z</stop_date_time>
    </Time_Coordinates>
    <Investigation_Area>
      <name>Mars Phoenix</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.phoenix</lid_reference>
        <reference_type>data_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <name>Phoenix MECA WCL</name>
      <Observing_System_Component>
        <name>The Phoenix Lander</name>
        <type>Host</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.phx</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Phoenix Lander Microscopy, Electrochemistry, and Conductivity Analyzer Wet Chemistry Laboratory</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:meca_wcl.phx</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>
      <phoenix:Phoenix_Parameters>
        <phoenix:Observation_Information>
          <phoenix:mission_phase_name>PRIMARY MISSION</phoenix:mission_phase_name>
          <phoenix:product_type>MECA_WCL_PT</phoenix:product_type>
          <phoenix:product_version_id>V1.0</phoenix:product_version_id>
          <phoenix:spacecraft_clock_start>903923170.875</phoenix:spacecraft_clock_start>
          <phoenix:spacecraft_clock_stop>903954384.976</phoenix:spacecraft_clock_stop>
          <phoenix:local_true_solar_time>09:40:25</phoenix:local_true_solar_time>
          <phoenix:sol_number>87</phoenix:sol_number>
          <phoenix:ops_token>16#1A220000#</phoenix:ops_token>
          <phoenix:ops_token_activity>16#00001A22#</phoenix:ops_token_activity>
          <phoenix:ops_token_payload>16#00000000#</phoenix:ops_token_payload>
          <phoenix:ops_token_command>16#00000000#</phoenix:ops_token_command>
          <phoenix:instument_mode_id>PT</phoenix:instument_mode_id>
        </phoenix:Observation_Information>
      </phoenix:Phoenix_Parameters>
    </Mission_Area>
  </Observation_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:phx_meca:document:meca_rdr_sis</lid_reference>
      <reference_type>data_to_document</reference_type>
    </Internal_Reference>
  </Reference_List>
  <File_Area_Observational>
    <File>
      <file_name>ws087c0pt___00___1a220000w0.tab</file_name>
      <creation_date_time>2008-12-20T00:14:22.165</creation_date_time>
    </File>
    <Table_Character>
      <name>WCL_HEADER_TABLE</name>
      <offset unit="byte">198</offset>
      <records>13</records>
      <description>Two column PT header table with 93 
                bytes of data followed by 105 spare 
                bytes, the last two of which are the 
                CR/LF characters.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>2</fields>
        <groups>0</groups>
        <record_length unit="byte">198</record_length>
        <Field_Character>
          <name>HEADER FIELD NAME</name>
          <field_number>1</field_number>
          <field_location unit="byte">2</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">25</field_length>
        </Field_Character>
        <Field_Character>
          <name>HEADER FIELD VALUE</name>
          <field_number>2</field_number>
          <field_location unit="byte">30</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">62</field_length>
        </Field_Character>
      </Record_Character>
    </Table_Character>
    <Table_Character>
      <name>PT_CALIBRATION_TABLE</name>
      <offset unit="byte">3168</offset>
      <records>5</records>
      <description>Table of values used to convert sensor
                DNs to physical units. Pressures in mB, 
                temperature in C. There are 49 bytes 
                of data in this table followed by 149 
                spare bytes, the last two of which are 
                the CR/LF characters.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>4</fields>
        <groups>0</groups>
        <record_length unit="byte">198</record_length>
        <Field_Character>
          <name>SENSOR_NAME</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>Name of sensor reading to be 
                        converted.</description>
        </Field_Character>
        <Field_Character>
          <name>SLOPE_VALUE</name>
          <field_number>2</field_number>
          <field_location unit="byte">19</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <description>SLOPE value used in conversion 
                        equation P(mbar) = SLOPE*DN + INTERCEPT 
                        for pressure or T(degC) = SLOPE*DN + 
                        INTERCEPT temperature.</description>
        </Field_Character>
        <Field_Character>
          <name>INTERCEPT_VALUE</name>
          <field_number>3</field_number>
          <field_location unit="byte">31</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <description>INTERCEPT value used in conversion 
                        equation P(mbar) = SLOPE*DN + INTERCEPT 
                        for pressure or T(degC) = SLOPE*DN + 
                        INTERCEPT for temperature.</description>
        </Field_Character>
        <Field_Character>
          <name>PHYSICAL_UNIT</name>
          <field_number>4</field_number>
          <field_location unit="byte">44</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">5</field_length>
          <description>physical unit of calibrated value.</description>
        </Field_Character>
      </Record_Character>
    </Table_Character>
    <Table_Character>
      <name>WCL_EVENT_TABLE</name>
      <offset unit="byte">4554</offset>
      <records>1</records>
      <description>Three column PT events table.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>3</fields>
        <groups>0</groups>
        <record_length unit="byte">198</record_length>
        <Field_Character>
          <name>EVENT_NAME</name>
          <field_number>1</field_number>
          <field_location unit="byte">2</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">20</field_length>
          <description>Name of event - solution dispense,
                        drawer open, drawer close, 
                        reagent release.</description>
        </Field_Character>
        <Field_Character>
          <name>CMD_TIME</name>
          <field_number>2</field_number>
          <field_location unit="byte">24</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">14</field_length>
          <description>SCLK time the event was commanded by 
                        Phoenix.</description>
          <Special_Constants>
            <missing_constant>99999999999</missing_constant>
          </Special_Constants>
        </Field_Character>
        <Field_Character>
          <name>EVENT_NOTES</name>
          <field_number>3</field_number>
          <field_location unit="byte">40</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">108</field_length>
          <description>Description of the event.</description>
        </Field_Character>
      </Record_Character>
    </Table_Character>
    <Table_Character>
      <name>WCL_DATA_HEADER_TABLE</name>
      <offset unit="byte">5148</offset>
      <records>1</records>
      <description>Nine column pressure, temperature
                and heater state data header table 
                with 113 bytes of data followed by 
                85 spare bytes, the last two of which 
                are the CR/LF characters.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>9</fields>
        <groups>0</groups>
        <record_length unit="byte">198</record_length>
        <Field_Character>
          <name>TIME_HEADER</name>
          <field_number>1</field_number>
          <field_location unit="byte">2</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">4</field_length>
        </Field_Character>
        <Field_Character>
          <name>PRESSURE_HEADER</name>
          <field_number>2</field_number>
          <field_location unit="byte">9</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">8</field_length>
        </Field_Character>
        <Field_Character>
          <name>T_BEAKER_HEADER</name>
          <field_number>3</field_number>
          <field_location unit="byte">20</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">8</field_length>
        </Field_Character>
        <Field_Character>
          <name>T_TANK_HEADER</name>
          <field_number>4</field_number>
          <field_location unit="byte">31</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">6</field_length>
        </Field_Character>
        <Field_Character>
          <name>T_DRAWER_HEADER</name>
          <field_number>5</field_number>
          <field_location unit="byte">40</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">8</field_length>
        </Field_Character>
        <Field_Character>
          <name>T_STAGE_HEADER</name>
          <field_number>6</field_number>
          <field_location unit="byte">51</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">7</field_length>
        </Field_Character>
        <Field_Character>
          <name>BEAKER_HTR_STATE_HEADER</name>
          <field_number>7</field_number>
          <field_location unit="byte">61</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">16</field_length>
        </Field_Character>
        <Field_Character>
          <name>TANK_HTR_STATE_HEADER</name>
          <field_number>8</field_number>
          <field_location unit="byte">80</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">14</field_length>
        </Field_Character>
        <Field_Character>
          <name>DRAWER_HTR_STATE_HEADER</name>
          <field_number>9</field_number>
          <field_location unit="byte">97</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">16</field_length>
        </Field_Character>
      </Record_Character>
    </Table_Character>
    <Table_Character>
      <name>WCL_DATA_TABLE</name>
      <offset unit="byte">5742</offset>
      <records>994</records>
      <description>Nine column pressure and temperature
                data table with 79 bytes of data 
                followed by 119 spare bytes, the last 
                two of which are the CR/LF 
                    characters.</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>9</fields>
        <groups>0</groups>
        <record_length unit="byte">198</record_length>
        <Field_Character>
          <name>TIME</name>
          <field_number>1</field_number>
          <field_location unit="byte">1</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">14</field_length>
          <description>series of SCLK read times.</description>
        </Field_Character>
        <Field_Character>
          <name>PRESSURE</name>
          <field_number>2</field_number>
          <field_location unit="byte">16</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <unit>mbar</unit>
          <description>series of pressure measurements for
                        the selected WCL cell in millibars.</description>
        </Field_Character>
        <Field_Character>
          <name>T_BEAKER</name>
          <field_number>3</field_number>
          <field_location unit="byte">28</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <unit>degreesC</unit>
          <description>series of beaker temperature 
                        measurements for the selected WCL 
                        cell in C.</description>
        </Field_Character>
        <Field_Character>
          <name>T_TANK</name>
          <field_number>4</field_number>
          <field_location unit="byte">40</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <unit>degreesC</unit>
          <description>series of tank temperature 
                        measurements for the selected WCL 
                        cell in C.</description>
        </Field_Character>
        <Field_Character>
          <name>T_DRAWER</name>
          <field_number>5</field_number>
          <field_location unit="byte">52</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <unit>degreesC</unit>
          <description>series of drawer temperature 
                        measurements for the selected WCL 
                        cell in C.</description>
        </Field_Character>
        <Field_Character>
          <name>T_STAGE</name>
          <field_number>6</field_number>
          <field_location unit="byte">64</field_location>
          <data_type>ASCII_Real</data_type>
          <field_length unit="byte">11</field_length>
          <unit>degreesC</unit>
          <description>series of microscopy stage 
                        temperature measurements.</description>
        </Field_Character>
        <Field_Character>
          <name>BEAKER_HEATER_STATE</name>
          <field_number>7</field_number>
          <field_location unit="byte">76</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">1</field_length>
          <description>State of the beaker heater.
                        0-heater off, 1-heater on.</description>
        </Field_Character>
        <Field_Character>
          <name>TANK_HEATER_STATE</name>
          <field_number>8</field_number>
          <field_location unit="byte">78</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">1</field_length>
          <description>State of the tank heater.
                        0-heater off, 1-heater on.</description>
        </Field_Character>
        <Field_Character>
          <name>DRAWER_HEATER_STATE</name>
          <field_number>9</field_number>
          <field_location unit="byte">80</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">1</field_length>
          <description>State of the drawer heater.
                        0-heater off, 1-heater on.</description>
        </Field_Character>
      </Record_Character>
    </Table_Character>
  </File_Area_Observational>
  <File_Area_Observational_Supplemental>
    <File>
      <file_name>ws087c0pt___00___1a220000w0.lbl</file_name>
    </File>
    <Stream_Text>
      <offset unit="byte">0</offset>
      <parsing_standard_id>PDS3</parsing_standard_id>
      <description>PDS3 label</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
    </Stream_Text>
  </File_Area_Observational_Supplemental>
</Product_Observational>
