<?xml version="1.0"?>
<param xml:id="dsc_xyz_gsm">    
    <get>
        <vi name="dsc:orb:all">
            <baseParam name="Pos_GSM"/>
        </vi>
    </get>
    <process>$dsc_orb_all_Pos_GSM/RADIUS_EARTH</process>
    <output>
	  <!--<plot>ORBIT</plot>-->
     </output>     
</param>