fgdata/Aircraft/Instruments-3d/radio_stack/radio-stack.xml

<?xml version="1.0" ?> 

  <PropertyList> 
    <path>RadioStack.ac</path>
 <panel>
  <path>Aircraft/Instruments-3d/radio_stack/radio-panel.xml</path>
  <bottom-left>
    <x-m>0.001</x-m>
    <y-m>-0.08</y-m>
    <z-m>-0.135</z-m>
  </bottom-left>
  <bottom-right>
    <x-m>0.001</x-m>
    <y-m>0.08</y-m>
    <z-m>-0.135</z-m>
  </bottom-right>
  <top-left>
    <x-m>0.001</x-m>
    <y-m>-0.08</y-m>
    <z-m>0.135</z-m>
  </top-left>
 </panel>
 

</PropertyList>