<?xml version="1.0" encoding="UTF-8"?>

<!-- <!DOCTYPE sddlschema SYSTEM "sddlschema.xsd">-->

<sddl>

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<!--  SDDL Name:  BREATHING_COEFF.SDDL -->
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<!--  Purpose:      This SDDL file defines the BREATHING_COEFF relation.-->
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<!--  Modification History:-->
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<!--    Date       OPR      Who                       Reason-->
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<!--  09/20/00    44862     Baum   Original implementation-->
<lm>  07/03/03   48821     CTB   Converted to XML format </lm> <!-- last mod -->
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    <record name="BREATHING_COEFF_TYPE"> 
 
 
        <description>This relation is used to specify the components of the
                   average temperatures used in breathing save files. The
                   temperatures in the averages are weighted by a coefficient
                   supplied in this table. The telemetry items are identified
                   by their CCS number. The long and short names of these
                   engineering telemetry temperatures can be found by joining
                   to the save_telemetry table with save_type set to BREATH
                   and matching ccs_number. </description>


            <field name="temp_num">
                    <type>I4</type>
                    <description>A numeric ID for the average temperature in the
                         breathing save file. It is also the sequence number
                         of the temperatures each record of the that file.</description>
            </field>

            <field name="ccs_number">
                    <type>I4</type>
                    <description>A positive value less than 64K defined by CCS for
                         every unique telemetry item in the engineering 
                         warehouse. It is the Numeric ID described in the
                         definition of FOF elements (see Appendix A of 
                         HST-ICD-T2). </description>
            </field>
	
            <field name="temp_coeff">
                    <type>R8</type>
                    <description>The normalized coefficient used to weight the average
                         for the telemetry item identified by the ccs_number. 
                         The average is the accumulation of the product of the
                         telemetry temperature times the coefficient. </description>
            </field>

            <field name="temp_name">
                    <type>C17</type>
                    <description>The name of the temperature average.</description>

            </field>
 
    </record>
  
 
    <relation name="breathing_coeff">
 
        <type>BREATHING_COEFF_TYPE</type>

        <description>Breathing Temperature Coefficients Relation</description>

        <subsystem_using>OPUS</subsystem_using>

        <index name="breathing_coeff_1">
            <type>unique clustered</type>
            <field name="temp_num"/>
            <field name="ccs_number"/>
        </index>

    </relation>
</sddl>
