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

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

<sddl>

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<!--  SDDL Name:  MSC_GS_ACQ.SDDL -->
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<!--  Purpose:      This SDDL file defines the MSC_GS_ACQ relation.-->
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<!--  Modification History:-->
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<!--    Date       PR      Who                       Reason -->
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<!--  05/31/00   44862     Baum  Original implementation-->
<lm>  07/03/03   48821     CTB   Converted to XML format </lm> <!-- last mod -->
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    <record name="MSC_GS_ACQ_TYPE"> 
 
 
        <description>This relation is used to contain the detailed parameters
                   of GS acquisition and reacquisition events. </description>


            <field name="event_time">
                    <type>C20</type>
                    <description>YYYY.DDD.HH.MM.SS.CC the time within a hundreth of
                         a second for each event. </description>
            </field>

            <field name="event_name">
                    <type>C10</type>
                    <description>Format     Description
                         ---------- --------------------------------------
                         GSACQ1     first acquisition for BOA and EOA
                         GSACQ2     second acquisition for BOA and EOA
                         REACQ      reacquisition for BOA and EOA</description>
            </field>

            <field name="dom_fgs">
                    <type>C1</type>
                    <description>FGS number for  dominant GS</description>
            </field>

            <field name="prim_fgs">
                    <type>C1</type>
                    <description>FGS number for primary GS, that is acquired first</description>
            </field>

            <field name="rol_fgs">
                    <type>C1</type>
                    <description>FGS number for  roll GS</description>
            </field>

            <field name="dom_gs_ra">
                    <type>R8</type>
                    <description>Right ascension (degrees) for dominant GS</description>
            </field>

            <field name="dom_gs_dec">
                    <type>R8</type>
                    <description>Declination (degrees) for  dominant GS</description>
            </field>

            <field name="rol_gs_ra">
                    <type>R8</type>
                    <description>Right ascension (degrees) for roll GS or zero</description>
            </field>

            <field name="rol_gs_dec">
                    <type>R8</type>
                    <description>Declination (degrees) for  roll GS or zero</description>
            </field>

            <field name="dom_gs_mag">
                    <type>R4</type>
                    <description>(Vmag) brightness of dominant GS</description>
            </field>

            <field name="rol_gs_mag">
                    <type>R4</type>
                    <description>(Vmag) brightness of roll GS or zero</description>
            </field>

            <field name="dom_gs_id">
                    <type>C10</type>
                    <description>GSC ID of dominant GS</description>
            </field>

            <field name="rol_gs_id">
                    <type>C10</type>
                    <description>GSC ID of roll GS or blank if no GS</description>
            </field>

            <field name="tracking">
                    <type>C2</type>
                    <description>FL for finelock, CT for coarse track, FG for
                         finelock/gyro, and CG for coarse track/gyro.
                         CT and CG tracking modes are no longer used. </description>
            </field>


    </record>
 
 
 
 
    <relation name="msc_gs_acq">
 
        <type>MSC_GS_ACQ_TYPE</type>

        <description>GS Acquisition Data from the MSC file</description>

        <subsystem_using>OPUS</subsystem_using>

        <index name="msc_gs_acq_1">
            <type>unique clustered</type>
            <field name="event_time"/>
            <field name="event_name"/>
        </index>

    </relation>
</sddl>
